southern regional load despatch centre … page no. . section 1 highlights during the year 1 section...

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29,

SOUTHERN REGIONAL LOAD DESPATCH CENTR

2006 - 07

RACE COURSE CROSS ROAD, BANGALORE – 560 009 WWW.SRLDC.ORG

Preface The Southern Regional Grid during the year 2006-07 experienced a sharp increase in the

demand growth. The increase in the peak demand and daily average energy over the last

year were by 12% and 8% respectively, touching a figure of 25039 MW in respect of the

peak demand and 560 MU in respect of maximum energy met in a day. However the growth

in generation capacity addition was not in commensuration with the growth in demand as

during the year merely a capacity of just 603 MW (1.6%) was added in the region. Such

wide gap between supply and demand growth had certainly affected the system frequency

profile in the region, bringing down the actual operating band in the IEGC range to around

94 % as compared to 97 % that of last year. To tackle the issue of steep demand growth,

the Constituents took all possible measures including entering into STOA contracts for

imports and maximizing their generation availability even by harnessing the high cost

Naptha/Diesel based generation. The contribution of inter regional links to avail opportunistic

UI and STOA transactions and marginal improvement in the system voltage profile over the

previous year were helpful in optimizing the system losses and in maximizing the

generation availability. The operation of the System Protection Scheme in the event of

unforeseen outage of the Talcher - Kolar HVDC link was also of immense help in preserving

the system security. All the above measures and consistent efforts with sustained co-

operation by all the SR constituents made it possible to have another disturbance free year

of operation, despite the steep growth in demand.

The ULDC system, being the eyes and ears of the grid operator, provided great help in

operating the grid. SRLDC has extended its full support to the SLDCs for developing Power

Network Analysis (PNA) models to do contingency analysis in their state system. In-house

development of data extraction tool and real time demand estimation tool is another feather

in the cap of SR ULDC scheme. To augment their technical know-how a substantial number

of the System Operators in the region were exposed to variety of in-house training courses

by SRLDC, which include the programmes on ULDC, grid management, open access and

intra-state ABT. The web site maintained by SRLDC at www.srldc.org also proved to be of

immense help to all users as it hosts entire data related to reports, schedules, operation,

commercial and many other technical activities to facilitate effective system operation.

This document in the form of ‘Annual Report’ contains the highlights and progress

made by Southern Region as well as the details of power supply position and system

parameters during the year. Feed back on the report and/or suggestions for any further

improvement are most welcome.

http://www.srldc.org/

SRLDC ANNUAL GRID REPORT 2006-07

2006-07 2005-06 2004-05 2003-04

1 INSTALLED CAPACITY IN MW(At the end of the year) 37372 * 36769 * 32734 30794

2 GENERATION CAPACITY ADDITION (MW) 603 871 1940 1606

3 PEAK DEMAND MET (MW)

- SOUTHERN REGION 25039 23372 22364 21928

- ANDHRA PRADESH 8641 8239 7613 7441

- KARNATAKA 5959 5558 5612 5445

- KERALA 2742 2578 2420 2426

- TAMILNADU 8803 8209 7473 7401

- PONDICHERRY 243 251 230 220

4 AVERAGE DAILY ENERGY CONSUMPTION (MU)

- SOUTHERN REGION 466.80 417.43 406.50 378.52

- ANDHRA PRADESH 155.99 144.40 143.56 129.62

- KARNATAKA 109.54 93.54 91.52 85.19

- KERALA 39.77 36.73 34.41 33.62

- TAMILNADU 157.07 138.54 133.05 126.35

- PONDICHERRY 4.43 4.15 3.92 3.73

5 AVERAGE ISGS GENERATION (MU) 140.46 138.21 117.20 99.19

6 AVERAGE GRID FREQUENCY(Hz) 49.50 49.84 49.85 49.69

7 AVERAGE FREQUENCY VARIATION INDEX 4.08 1.63 0.83 1.96

8 % TIME GRID FREQUENCY

- BELOW 49.0Hz 5.96 2.32 0.13 2.30

- BETWEEN 49.0Hz & 50.5Hz 93.96 96.64 99.7 97.26

- ABOVE 50.5Hz 0.08 1.04 0.17 0.44

9 AVERAGE OF DAILY MAXIMUM AND DAILY MINIMUM VOLTAGES (KV) Max / Min Max / Min Max / Min Max / Min

- BANGALORE 411/387 411/388 410 / 391 405 / 385

- HYDERABAD 420/409 424/411 416 / 402 411 / 397

- CHENNAI 416/398 423/402 423 / 406 417 / 403

- TRISSUR 410/392 414/394 414 / 398 412 / 400

10 EXCHANGE THROUGH HVDC LINKS (MU)

- TALCHER-KOLAR BIPOLE (WITH ER)

IMPORT 13058 11163 9330 6039

EXPORT 0 0 0 0

- GAZUWAKA HVDC BTB (WITH ER)

IMPORT 3562 2096 2500 1926

EXPORT 0 3 1 0

- BHADRAVATI HVDC BTB (WITH WR)

IMPORT 193 220 147 298

EXPORT 3243 2939 1761 543

* Includes Wind & Co-generation etc.

OPERATIONAL SUMMARY

CONTENTS PAGE No. .

Section 1 Highlights During the Year 1 Section 2 Southern Regional Grid – An Overview 4 Section 3 New Generating Units/Lines/Sub-Stations commissioned during the year 9 Section 4 ULDC Scheme in Southern Region 12 Section 5 Generating Capacity 5.1 Summary of Installed Generating Capacity 28 5.2 Details of Installed Generating Capacity 29 5.3 Growth of Installed Generating Capacity during past decade 33 Section 6 Power Supply Position 6.1 Summary of 2006-07 Power Supply Position 34 6.2 Monthwise Power Supply Position (Energy MU/day & Peak MW) 35 6.3 Monthwise Maximum, Minimum Energy Consumption with corresponding dates 37 6.4 Monthwise Maximum and Minimum Demand met (MW) with corresponding dates 38 6.5 Demand met (MU/day and Peak MW) in Southern Region during past decade 39 6.6 Average Daily Schedule vs. Actual drawal by States from Central Sector Stations 40 6.7 Monthwise Inter-Regional Exchanges 41 6.8 Inter-Regional Exchange during past 6 years 42 6.9 Kadamparai Pumped Storage Plant Operational Details during past 6 years 43 Section 7 Generating Stations Performance 7.1 Summary of 2006-07 Regional Energy Generation (MU/day) 44 7.2 Performance of Generating Stations 45 7.3 Monthwise PLF of Thermal / Nuclear Generating Stations 52 7.4 Average Daily Schedule vs. Actual Generation by ISGSs 53 Section 8 Regional Load Curve Data 8.1 Generation vs. Load for the Maximum Demand Day 54 8.2 Generation vs. Load for the Minimum Demand Day 55 Section 9 Frequency, Voltage & Reservoir data 9.1 Monthwise Frequency Analysis 56 9.2 Monthwise Maximum / Minimum Voltage recorded at 400 KV Buses 57 9.3 Reservoir Data 58 9.4 Frequency Analysis during last 6 years 59 9.5 Voltage Analysis during last 7 years 60 Section 10 Miscellaneous 10.1 Under Frequency Relays Provision in Southern Region 61 10.2 Shunt Capacitors Installation in Southern Region 62 Graphs G-1 Break-up of effective Generating Capacity (source-wise) 63 G-2 Break-up of effective Generating Capacity (constituents-wise) 64 G-3 Source-wise contribution to Regional Energy during 2006-07 65 G-4 Source-wise contribution to Peak Met during 2006-07 66 G-5 Month-wise Frequency Spectrum 67 G-6 Annual Load Duration Curve 68 G-7 Annual Frequency Duration Curve 70 G-8 Load Curves for Maximum and Minimum Demand day 71 G-9 Reservoir Levels during last 5 years 73 Exhibits E-1 400 KV Network 77 E-2 Details of Reactors on Lines and Buses 78


HIGHLIGHTS DURING THE YEAR

1.1 Power Supply Position During the year 2006-07, the Southern Region has witnessed a maximum

consumption of energy of 559.02 MU on 23rd March 2007 and maximum peak demand of 25,039 MW on 27th March 2007 as against the maximum values 517.5 MU and 23372 MW met last year. In respect of daily average energy, the increase is from 417.7 MU/day to 466.8 MU/day. As can be inferred from the related data, the increase in the daily average energy and peak MW as compared to previous year is 12 % and 7 % respectively as against the generation capacity addition of just 1.6% (603 MW) during the year.

Daily Consumption Plot For 2005-06 & 2006-07

280

330

380

430

480

530

580

Apr

May Jun

Jul

Aug

Sep

Oct

Nov

Dec Jan

Feb

Mar

MONTHS ---->

CONSUMPTI

ON IN

MUs --

-->

2006-07

2005-06

Despite both the peak demand and energy shortages being high during the year, the power supply position in the Region has by and large been maintained in a satisfactory manner. This was possible only due to the sustained efforts put forth and cooperation extended by all the constituents. In order to have overall economy and efficiency, power was also exchanged by SRLDC with the neighboring Regions on opportunity basis. During the rainy season of the year though the inflows were not as high as that received during the previous year, still they were better compared to the normal average and the constituents optimally utilized the hydro reserves.

1.2 Frequency Regime

During certain period of the year, particularly during the months of October-March, 2007 the system frequency sustained in the low range due to high demand coupled with low generation at some stations due to shortage of fuel and limited hydro reserves, etc. Due to these reasons, for certain durations SR grid has operated even below 49.0 HZ i.e. below IEGC normal band.

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Frequency Duration Curve (Last 5 Years)

47.0

47.5

48.0

48.5

49.0

49.5

50.0

50.5

51.0

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95% OF TIME --->

FREQ

IN H

Z ---

>

2002-032003-04

2004-05

2005-06

2006-07


The frequency profile within IEGC normal band of operation i.e., between 49.0 – 50.5 Hz was for 93.96% of time and it was below 49 Hz. for 5.96% of the time and above 50.5 Hz for 0.08% of the time.

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.3 Voltage Profile

During the year there was a marginal improvement in the voltage profile in the Grid. The voltage generally remained within normal operating range with average daily minimum voltage of 387 KV at Bangalore, which is the lowest Voltage node in the 400 KV grid of SR. At times, during the lean demand period the voltage levels had increased and to contain the voltage all possible measures were taken by SRLDC including opening of some of the EHV lines.

Bangalore Voltage Comparision on a Typical Day (1st Feb 06 & 07)

360

370

380

390

400

410

420

00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23TIME IN HRS --->

VOLT

AGE

(KV)

-->

2007

2006

The improvement in the voltage profile could be achieved due to judicious

switching in and switching out actions of the VAR controlling devices (reactors and capacitors etc.), changing of transformer taps as well as participation by the generating units in VAR management. The month wise details of the maximum, minimum and average of daily minimum and maximum voltage of important 400 KV substations are given in Section 9.2

1.4 Short-term Open Access (STOA)

As nodal agency, during 2006-07 a number of transactions under STOA were approved by SRLDC and simultaneous approval/consent was also accorded for wheeling of the power from ER/NER to WR/NR through SR. During the year, a total 570 number of STOA cases were processed by SRLDC as nodal agency involving intra-region, and inter-regional (import) transactions under STOA with a total approved energy quantum of 2100 MU, leading to transfer of substantial power from surplus areas to deficit areas. In view of the higher usage of transmission network due to open access, significant amount of relief to the SR constituents was also possible towards payment of annual transmission charges.

1.5 Inter – Regional Exchanges

Depending on the system conditions on opportunity basis, there has been a remarkably large UI exchange with neighboring regions. In the year 2006-07, SR has exported to WR, the energy to the tune of 192 MU and imported the energy to the tune of 497 MU. To ER SR has exported energy to the tune of 251 MU and imported the energy to the tune of 343 MU. The figure shown below indicates the details of UI imported from

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WR/ER to SR on a typical day where the import under UI was to the extent of 20.31MU and during certain period imported quantity was as high as 1208 MW from WR and 590 MW from ER. By exchanging UI with neighboring regions, SR constituents have gained to the tune of Rs.81 Crores net during the year 2006-07 in the form of differential UI incentive/gains.

Typical Day UI Import From ER/WR to SR on 05-Mar-07

0

200

400

600

800

1000

1200

1400

1600

1800

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

HOURS --->

MW

---->

49.0

49.5

50.0

50.5

51.0

51.5

52.0

52.5

53.0

53.5

FREQ

(H

Z) -

--->

UI

CG Freq

SR Freq

1.6 Up-To-Date Settlement of UI Pool Account

During the year 2006 – 07, the total turnover in SR in respect of UI is 2761 MU with disbursement amount of Rs. 942 Crores which on an average comes out to be around 52 MU energy exchange per week with average disbursement of 18 Crores of Rupees. With the active co-operation of all the constituents, SRLDC has been able to maintain up-to-date settlement of UI transaction and no amount is outstanding amongst the constituents.

1.7 Safe and Secure Grid Operation

In view of the system strengthening and increase in the generation level as well as substantial operational efforts, the system parameters were maintained in normal range and security and safety of the grid was kept intact and no major disturbance occurred in the grid during the year 2006-07.

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SOUTHERN REGIONAL GRID - AN OVERVIEW

2.1 SOUTHERN REGIONAL GRID 2.1.1 SR Grid Constituents

Southern Regional (SR) grid is a large system comprising of 651000 sq. kms.of area encompassing 4 states system viz Andhra Pradesh, Karnataka, TamilNadu and kerala and Union Territory of Pondicherry and Central Sector, State sector and Independent Power Producing Generating stations. Different states are interconnected with each other through 400 KV grid network and some 220 KV inter-state lines.

ANDHRA PRADESH INSTALLED CAPACITY:-7033 MW KARNATAKA

INSTALLED CAPACITY:-4992 MW

PEAK DEMAND MET:-8641 MW

DAILY AVERAGE CONSUMPTION:-156 MU


DAILY AVERAGE CONSUMPTION:- 110 MU

TAMILNADUINSTALLED CAPACITY:-5580 MW KERALA

INSTALLED CAPACITY:-2072 MW


DAILY AVG CONSUMPTION:-157 MU


DAILY AVERAGE CONSUMPTION:-40 MU

2.1.2 Effective Generation Capacity of SR • Effective generating capacity as on 31st March 2007 : 37372 MW • Regional peak demand met (2006-07) : 25039 MW • Average energy consumption(2006-07) : 466.8 MU/Day • Transmission systems (as on 31st March 2007)

+ 500 HVDC : 2738 ckt. kms. 400 kV A.C : 15962 ckt. kms.

220 kV A.C : 31410 ckt. kms.

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SOURCE-WISE EFFECTIVE GENERATING CAPACITY OF SOUTHERN REGION AS ON 31-MAR-07

HYDRO30.1%

THERMAL43.0%

GAS/NAPTHA/DIESEL12.3%

NUCLEAR2.4%

WIND12.2%

2.1.3 Salient features of the Southern Regional Grid

• 3rd largest geographical area amongst the five regions, covering apporx.19% of the area & approx. 22% of India’s population and 29% of the Installed Capacity.

• Best Hydro thermal mix(30-70%) amongst all five regions giving, best operational flexibility

• 2600 MW Capacity Thermal Power Station of NTPC at Ramagundam which is the

second largest capacity generating station in the country.

• Largest Pump storage schemes in the country at Srisailam (900MW), Andhra Pradesh and at Kadamparai (400MW), Tamil Nadu, bringing about economy in scale and operational flexibility.

• 2000 MW capacity Talchar-Kolar HVDC interconnection with the Eastern Region,

which is the largest capacity HVDC interconnection in the country.

• 3420 MW Wind Mill generating capacity (Approx.) which is highest amongst all the regions.

• 8330 MW capacity (Approx) from Independent Power Producers (IPP’s) generating

plants, which is also highest amongst all the regions.

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2.2 FUNCTIONS OF SRLDC As the ‘Apex Body’ for operation of the integrated grid, the statutory functions of

SRLDC are:

• Optimum scheduling and despatch of electricity within the Region;

• Monitoring grid operation ;

• Exercising supervision and control over the Inter-State Transmission System (ISTS);

• Responsible for Carrying out real time operations for grid control and

despatch of electricity within the region through secure and economic operation of the regional grid in accordance with the Grid Standards and the Grid Code.

2.3 CHANGED FACE OF OPERATION OF SR GRID

• 2000MW power handling capacity of Talcher-Kolar HVDC coupled with 1000 MW capacity HVDC links each at Gazuwaka and Chandrapur has certainly played a vital role in the Southern Region System operation as many utilities exchanged STOA transactions through / from SR to other regions and vice versa.

• After the synchronization of Northern Grid with the Central grid substantial

enhancement in utilization of all HVDC / Inter Regional links of SR with neighboring regions viz. ER and WR has been achieved in both direction. This has helped all the grids to combat the high demand situations through opportunistic UI power import.

• By commissioning of 400 KV Neelamangala - Mysore D/C line and 400 KV

Neelamangala – Somanahalli S/C line, the availability of power in Bangalore and Mysore area has considerably been improved and the avenues for power transfer from Karnataka to Kerala would be improved.

• By commissioning of LILO of 400 KV Nellore – Sriperumbudur D/C lines

at Almathy, the voltages around Almathy have improved and the transmission system for transfer of power to Tamil Nadu has also been strengthened.


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2.4 SPECIFIC ACHIEVEMENTS OF SRLDC

2.4.1 Grid Security and Safety The SR grid security and safety has been enhanced remarkably in the recent

past following large number of measures taken as stated above and close coordination with the different Control centers/Utilities. As a testimony to this, it can be seen that NO MAJOR DISTURBANCE in Southern Region has taken place in the last five years.

2.4.2 Economic and Efficient System Operation

In view of the strengthening of the network and various reactive control

measures like switching in/switching out of the Reactors, changing of Transformer Tap positions and operation of generating units in VAR generation/absorption mode etc., the voltage profile in SR grid has improved consistently. As a result of the improvement in the voltage profile, the overall system loss in the region also improved bringing about overall economy and efficiency. Further, ABT coupled with STOA Regulations has infused a sense of commercial awareness amongst all the constituents of the region and has brought about a marked improvement in the system operation, parameters, economy and efficiency in the Region. Open access in Power trading has also enhanced the utilization of available resources by constituents including use of Unrequisitioned Surplus (URS) power and high cost Naptha / Diesel generation, which led to economy as well improvement in system parameters.

2.4.3 Metering and Settlement System under ABT Regime

SRLDC plays an important and a key role in metering and settlement system in Southern Regional grid. Over 450 Special Energy Meters (SEMs) of 0.2S accuracy class have been installed and commissioned covering 80 locations in the region in order to measure active as well as reactive energy exchanges at various inter utility exchange points of the States and ISGS. The data from these meters are read on weekly basis on every Monday and transferred electronically to SRLDC for processing, validation and for preparation of weekly Unscheduled Interchange (UI) / Reactive Energy (RE) accounts. With the sustained support rendered by constituents, the pool account for UI and Reactive Energy Charges in the region are well operated and maintained by SRLDC resulting in NIL outstanding dues for settlement in the Pool Account.

2.4.4 In-house development of operational utilities

In view of transfer of REA responsibility up to 30th September, 2006

SRLDC has made and issued UI & Reactive Energy accounts successfully with the help of in-house software utilities developed for the purpose. Subsequently as per


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the CERC directions the REA responsibility has been transferred to SRPC Secretariat.

Further the following software utilities developed in-house by SRLDC has

helped imminently in commercial and operation activities : - SEM data Checking / Validation Software - Regional Energy Accounting Software - Scheduling Software - Short Term Open Access (STOA) Software Utility - ISTS Shutdown Coordination Software Utility - Outage Programme Software Utility for Generators and ISTS

2.4.5 Training In order to enhance the skill of the system operators / development engineers at different control centers in the regions, SRLDC using in-house and external faculties has conducted various training programmes to the operating staff of SR constituents, which include Java programming for SCADA, RTU and XA-21 user level modules, etc. These training programmes have given a lot of confidence to the operators / development engineers, in order to utilise the facility provided under ULDC scheme in best possible manner. Training was also provided to engineers on Grid Management & Open Access which helped them in gaining good knowledge for grid operation. SRLDC staff members shared their experience by conducting familiarization sessions on implementation of frequency linked dispatch guide lines , IEGC, Intra-State ABT, etc., to some of the SR constituents viz. KPTCL, KPCL, TNEB, NLC & NTPC.

2.4.6 SRLDC Website:

SRLDC website www.srldc.org hosts lot of useful and relevant information in regard to grid operation and control. In order to update all the players and other agencies in and outside the grid, the various power supply position (psp) reports prepared at SRLDC on daily, weekly and monthly basis, and other relevant reports/documents are regularly uplinked to the website. The complete range of information related to daily schedules, bilateral contracts, un requisitioned surplus power, real time data, energy meter data and the pool account operation details etc., are also made available on the website thereby bringing complete transparency in the entire process and leading to a zero dispute regime of system operation .

2.5 GRID SECURITY ENHANCEMENT USING SYSTEM PROTECTION SCHEME The System Protection Scheme to safeguard the system in the event of

tripping of 2000 MW capacity HVDC Talcher-Kolar link has successfully operated in the SR Grid during the year. Under this scheme automatic load shedding is being carried out in the event of tripping of HVDC link by transmitting inter-trip signals to distant sub-stations through PLCC Channels. Total load relief of around 1500

http://www.srldc.org/


9

MW from sub-stations of all the states is achieved by communicating trip signal through wide band communication network. The scheme has been of immense help in enhancing the SR grid safety and security in the event of tripping of HVDC Talcher-Kolar links.

2.6 THE ROAD AHEAD Change is a continuous process, especially in the Power Sector where rapid changes are taking place to commensurate with the National Electricity Policy and it’s plan. Recognizing that lack of electricity can affect the rapid economic growth, the Nation has set itself massive expansion plans in this sector and the target of providing electricity to all household by the end of the XI Plan. However to meet the wide gap in demand and supply, to meet the widely distributed loads and supply of reliable and quality power of specified standards in an efficient manner at reasonable rates is the real challenge to all the Power Engineers. In this regard the CERC directions through its various orders are certainly helping the operators in maintaining the grid in safe and operable limits. An important issue which requires immediate attention is harnessing of large quantum of unutilized generation available with CPPs and IPPs within the States as this would not only help the grid to meet its increased demand but would also give assistance to the neighboring Regions during crisis situations by transferring the power through STOA and UI. Implementation of intra-state ABT in the State is another important issue as this would help in rationalization of tariff and optimization in scheduling process within the States for the generators and distribution companies. It is therefore important that the States make all possible efforts to achieve this goal and optimize their generation as well as adopt best possible demand side management techniques utilizing good load forecasting methods and other available means. Further with the interconnectivity of different regions and their networks, the grid operation is becoming more complex and necessary training is also to be imparted to the system operators to handle the system in all conditions. An issue which is of absolute importance during the current scenario, particularly in respect of Southern Region is the availability of abundant Wind generation without good predictability. Therefore, necessary emphasis is required to be put by all in order to develop accurate tools for forecasting the wind generation. The CERC staff paper on new ISTS tariff & losses throws another challenge to the Power System Engineers in the coming years. This has been brought in not only with the idea of bringing in the rationalization of tariff, but also to evaluate the losses with distance and direction sensitivity. This requirement is to be addressed by the Power System community in true earnest and also keeping in view the simplicity and practicality for its implementation.


3.1 GENERATING UNITS

SL.NO. STATION NAME CAPACITY (MW) TYPE OF FUEL DATE

1 VEMAGIRI CCPP (ST) 137 GAS 06-Jun-06

2 RAYALASEEMA TPS U # 3 210 COAL 25-Jan-07

3 WINDMILL 1.08 WIND 2006-07

4 BAGASSE 68.7 --- 2006-07

5 BIOMASS 15.12 --- 2006-07

6 MINI HYDEL 3.2 HYDRO 14-Sep-06

7 ENERCON WIND FARM 52 WIND 26-Oct-06

8 ENERCON WIND FARM 16.8 WIND 29-Dec-06

9 WINDMILL 48.9 WIND 2006-07

10 BIOMASS 5 --- 30-Dec-06

NIL

11 BHAVANI KATTALAI BARRAGE - I U # 1 15 HYDRO 01-Aug-06

12 BHAVANI KATTALAI BARRAGE - I U # 2 15 HYDRO 22-Sep-06

13 ARKEY ENERGY (ST) 14.8 GAS 15-Apr-06

NIL

TOTAL 603

3. NEW GENERATING UNITS/LINES/SUB-STATIONS COMMSSIONED DURING THE YEAR 2006-07

ANDHRA PRADESH

KARNATAKA

KERALA

TAMIL NADU

CENTRAL SECTOR

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3.2 TRANSMISSION LINES

SL.NO. NAME OF LINE CKT NO KV CKT KM DATEANDHRA PRADESH

1 VEMAGIRI - KONASEEMA I & II 400 52.0 17-Jul-06

2 ANANTHPUR - KALYANDURG I 220 63.0 1-Aug-06

3 VEMAGIRI - GAUTAMI CCPP I 400 39.0 16-Aug-06

4 VEMAGIRI - GAUTAMI CCPP II 400 39.0 17-Aug-06

5 VEMAGIRI - BHMAVARAM I & II 220 2.3 8-Jan-07

6 LILO OF BOMMURU - VIJJESWARAM II @ VEMAGIRI I 220 2.4 ---

KARNATAKA

7 LILO OF SHIMOGA - HOOTAGALLY @ BASTHIPURA I 220 2.2 4-May-06

8 LILO OF SHAHAPUR - GULBARGA @ SHAHABAD I 220 4.0 17-May-06

9 LILO OF SHIMOGA - NELAMANGALA @ NITTUR I 220 0.5 13-Sep-06

10 LILO OF GOWRIBIDANUR - DB PURA @ DEVANAHALLI INTERNATIONAL AIRPORT I 220 0.8 25-Nov-06

11 LILO OF RTPS - GULBARGA @ SHAHAPUR I & II 220 1.7 9-Dec-06

12 LILO OF LINGAPUR - ALIPUR @ KUDITINI (BTPS) I 220 7.1 13-Dec-06

13 LILO OF LINGASUGUR - SHAHABAD @ SHAHAPUR I 220 4.0 22-Dec-06

KERALA

NIL

TAMIL NADU

14 LILO OF TTPS-PARAMIKUDI AT SIPCOT I & II 230 0.8 25-Jun-06

15 LILO OF TTPS-SR PUDUR AT SANKANERI I 230 20.7 1-Aug-06

16 LILO OF NCTPS-MOSUR AT ALMATHY I 230 --- 5-Aug-06

POWERGRID

17 NELAMANGALA - MYSORE I & II 400 266.0 26-Apr-06

18 LILO OF NELLORE - SRIPERUMBUDUR @ ALMATHY II 400 80.4 24-May-06

19 LILO OF NELLORE - SRIPERUMBUDUR @ ALMATHY I 400 80.4 25-May-06

20 NELAMANGALA - SOMANAHALLI I & II 400 84.0 31-Dec-06

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3.3 SUB-STATIONS

SL.NO. SUB STATION MVA RATING KV LEVEL DATE

NEW SUB-STATIONS

1 BHIMAVARAM 2 x 100 220/132/33 2-Feb-07

1 x 100 220/110/11 13-Sep-06

1 x 100 220/110/11 6-Oct-06

3 DEVANAHALLI INTERNATIONAL AIRPORT (BEGUR) 1 x 100 220/66 25-Nov-06

NIL

4 PUDANCHANDAI 2 x 100 230/110 28-Apr-06

1 x 200 400/110 16-Jun-06

1 x 315 400/230 28-Jul-06

1 x 315 400/230 8-Dec-06

NPCNIL

1 x 315 400/220 26-Apr-06

1 x 315 400/220 30-Apr-06

SUB-STATIONS AUGMENTATION

NIL

7 REPLACEMENT OF IST 100MVA XMER

WITH 150MVA @ NRS1 x 150 220/66 18-Aug-06

8 2ND ICT @ ITAGI 1 x 100 220/66 11-Oct-06

9 REPLACEMENT OF IST 100MVA XMER

WITH 150MVA @ SUBRAMANYAPURA1 x 150 220/66 28-Jan-07

NIL

NILNPC

NIL

10 2ND ICT @ NARENDRA 1 x 315 400/220 30-Aug-06

MYSORE

2

5

6

TAMIL NADU

POWERGRID

ALAMATHY

POWERGRID

ANDHRA PRADESH

KARNATAKA

KERALA

TAMIL NADU

ANDHRA PRADESH

KARNATAKA

KERALA

NITTUR

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ULDC SCHEME IN SOUTHERN REGION

4.1 Overview The Unified Load Despatch Scheme (ULDC) in SR has been commissioned in January 2002. The scheme envisaged installation and commissioning of Remote Terminal Units (RTUs), integration of existing RTUs in Karnataka, Tamil Nadu and Unit Territory of Pondicherry, installation and commissioning of dedicated communication system comprising of Fibre Optic, Microwave and PLCC system, installation and commissioning of Auxiliary Power supply system such as UPS, DG set, 48V D.C supply system and installation of EPABX system. Under this scheme the Regional System Coordination Centers (RSCC) & Central Project Coordination Centers (CPCC) were established at Bangalore whereas State Load Despatch Centres (SLDCs) were established at Mamidapally (Andhra Pradesh), Bangalore (Karnataka), Kalamassery (Kerala), Chennai (Tamil Nadu) along with system control center (SCC) at Pondicherry. Under each SLDC, Sub-LDCs were also established. The hierarchy of ULDC in Southern Region is given below:

RLDC,Bangalore

SCC, Pondy CPCC

Hyderabad Kalamassery Chennai Bangalore

Kerala Tamilnadu Andhra KarnatakaHYDERBAD

WARANGAL KALAMASSERY CHENNAI BANGALORE

CUDDAPAH KANNUR ERODE HUBLI

VIJAYAWADA TRIVANDRUM MADURAI LINGASUGUR

A list of RTUs integrated in ULDC scheme is enclosed as Annexure-I. Also, connectivity details of Workstations, Front-End Processors and Application Servers at RSCC and SLDCs are enclosed at Annexure-II 4.2 Specific Functions The SCADA-EMS system in ULDC is a suite of various Applications covering a broad spectrum of functions like Pre-Dispatch, Real-Time and Post-Dispatch functions. The details of these functions and their deployment in RSCC, SLDC’s and Sub-LDC’s are given in Annexure-III.

12


4.3 Communication Package A strong Communication Backbone is the key to the smooth functioning of the ULDC scheme. The Communication backbone is mainly on Fibre-Optic and Microwave links whereas the last mile connectivity is mostly on Power Line Carrier Communication (PLCC) links. The details of Fibre-Optic and Microwave Communication packages are given below. The Geographical map showing the details of Communication Backbone Network is enclosed at Annexure-IV

DETAILS OF FIBRE-OPTIC AND MICROWAVE PACKAGES FIBRE-OPTIC MICROWAVE S. NO. CONSTITUENTS TOTAL LENGTH

OF FIBRE OPTIC CABLE IN KMS

TO NO. OF HOPS

TOTAL NO. OF TOWERS

1 CENTRAL SECTOR 604 2 2 2 APTRANSCO 1037 7 7 3 KPTCL VSAT COMM LINKS PROVIDED BY KPTCL 4 KSEB 275 7 7 5 TNEB 396 16 16 6 UT OF PONDICHERRY NIL 3 3 TOTAL 2312 35 35

As the back up route to different SLDC’s was on the same physical route (through Optical Fibre Cable/Microwave), outage of the physical route was causing loss of data. In order to provide reliability & redundancy in data communication channel, an alternate physical route between SRLDC & SLDC’s has been established through a separate agency (i.e. BSNL) which has greatly improved the data availability/reliability. 4.4 Energy Management System Under this scheme various Energy Management System (EMS) modules have been implemented in the different control centers (RSCC/SLDCs). The power application functions under EMS package implemented in control centers support operational requirement of the SR grid and can be broadly grouped into Pre-dispatch, Real time dispatch and Post-dispatch functions. The Energy Management System (EMS) tools such as state estimation, contingent analysis, optimum power flow, load forecasting, resources scheduling and commitment has provided system operators greater flexibility in taking appropriate and judicious decisions during the course of operation. To supplement further, the following operational tools have been developed 4.4.1 Power Network Analysis (PNA) Module:

Due to complexity associated with the size of Power Network Analysis (PNA) module, the common network model was truncated control area-wise with view to develop different truncated model at the respective state and then to integrate the same to a common network model. All SR states have developed their PNA model separately. The models developed in Andhra Pradesh (AP), Karnataka (KAR), Kerala (KER), Tamil Nadu (TN) and RSCC have been integrated at RSCC and is working satisfactorily. This has given an additional tool to system operator to do the contingent analysis more accurately.

13


4.4.2 Disturbance Data Collection (DDC) Display:

Disturbance data collection (DDC) module has been fully configured to collect all telemetered parameters for a pre-configured interval before and after a disturbance. The ‘disturbance trigger’ can be a single event or a complex set of violation in the grid. During a grid disturbance or system occurrence the snap shot of the entire grid is stored in the system. Generally a pre-disturbance period of 5 minutes and a post disturbance period of 15 minutes information are available. DDC display is run to view the events that have taken place 5 minutes prior and 15 minutes after the disturbance. This tool has helped system operator in analyzing the grid occurrences more accurately to a large extent.

4.4.3 Data Extraction Tool (GET DATA)

A data extraction tool (GET DATA) has been developed which facilitates the system operator to extract data from the Temporal Data Base system and guides them to take appropriate decision during the system operation.

4.5 Development of a Real Time Demand Estimation tool A customized tool to estimate the demand for shorter durations (minutes) on a real time basis suitably modifying the load forecast module (based on Similar Day Forecast) supplied under SR-ULDC EMS-SCADA functions has been developed at SRLDC. The tool is in practical use and has been found to be of immense help to the SRLDC grid operators to project the demand for the next 30 minutes on a real time basis and hence helping them to take advance action towards ensuring the grid operation with reliability, security and economy. A typical real time display on the SCADA monitor giving estimated demand, estimated frequency and maximum change in demand and frequency in the next 30 minutes in a rolling window is shown below:

One important feature associated with this tool is that while estimating the demand in advance for the next 30 minutes on one minute interval (30 samples in advance), it also gives automatic correction, if during this period some corrective action is taken by any system/sub-system. So there is a continuous self-correcting mechanism built in the tool resulting in good accuracy. A typical day comparison of the actual demand met with the estimated demand is shown below. From this, it may be seen that the estimated demand is very close to actual demand met.

14


Actual Vs Estimated SR Demand For 9th Feb,2007

1700018000190002000021000220002300024000

12:0

0AM

2:00

AM

4:00

AM

6:00

AM

8:00

AM

10:0

0AM

12:0

0PM

2:00

PM

4:00

PM

6:00

PM

8:00

PM

10:0

0PM

Time (In Hrs)--->

Dem

and

(MW

)---

>

Actual Estimated

4.6 Integration of NPSD with RLDCs Grid operation at Regional level is very challenging and requirement of important data like critical line flows, critical axis flows, important bus frequencies, load angles etc of other regions are essential to be available on real time basis in the control room. In order to meet this requirement, required data from National Power System Desk (NPSD) has been integrated to SCADA at SRLDC successfully. The availability of such data to Control room engineers facilitates them to optimize the grid operation effectively. SRLDC has also been assigned the task of collecting such data from NPSD servers and provide the same to other RLDCs. All these activities have been successfully implemented with internal expertise only. 4.7 Monitoring Complexity Under this scheme, more than 36,650 Analog and Status points have been wired up covering more than 349 nodes across the Southern Region and the data from all these nodes are updated every 10-15 seconds. The complexities of the Southern Regional Grid in monitoring and control is as depicted below

Integrated Opn of Ten Power

Utilities Annual Inter-

Regional Generators –

Hydro, Energy Transfer Thermal,Gas/IPP

36,650 POINTS ≈20,500MU ≈ 500 nos. Active Power, Reactive

Power, Transmission Voltage, Frequency,

Transformer Installed Capacity Network

400/220kV Tap Position, Circuit Breaker Position, Isolator Position etc

≈37000 MW ≈ 50,000 Ckm

Transformation Transformers Capacity ≈ (220kV and

above) 59,000 MVA Dynamic Grid Conditions 560 nos.

15


16

4.6 Training In order to enhance the skill of system operators/development engineers at various control centers/SRLDC has conducted various training program on various EMS related modules using expertise of internal as well as external faculties. The training programmes that have already been conducted in the past are as detailed below.

SL NAME OF THE TRAINING FROM TO Participants Man Days

1 CISCO ROUTER & NETWORKING 19-01-2004 24-01-2004 17 102

2 XA-21 USER LEVEL 23-02-2004 28-02-2004 10 60

3 RTNA WORKSHOP 29-03-2004 31-03-2004 14 42

4 AIX OPERATING SYSTEM 17-05-2004 22-05-2004 15 90

5 XA-21 USER LEVEL 21-06-2004 25-06-2004 6 30

6 SYBASE DATABASE ADMIN 22-11-2004 04-12-2004 19 228

7 XA-21 USER LEVEL 21-02-2005 23-02-2005 7 21

8 NMS TRAINING 13-06-2005 18-06-2005 14 84

9 RTU TRAINING 27-02-2006 03-03-2006 14 84

10 JAVA FOR SCADA 24-04-2006 29-04-2006 15 180

11 XA21 OPERATOR TRG 27-02-2006 03-03-2006 14 84

12 XA21 OPERATOR TRG 05-06-2006 07-06-2006 7 21

13 XA21 OPERATOR TRG 06-11-2006 08-11-2006 14 84

14 XA21 OPERATOR TRG 19-02-2007 21-02-2007 9 27

15 RTU, FEP & DAC- GE 05-03-2007 16-03-2007 20 200

Total Man Days – 1337 . 4.7 Specific Benefits The benefits derived from the above schemes include:-

(1) Real time operation and monitoring of the system has improved. (2) Outages have been minimized. (3) Grid disturbances have been reduced/averted. (4) System reliability has been enhanced. (5) Losses in the system have come down. (6) Analysis of Grid occurrences has become simple and more visual.


ANNEXURE - I

I. Central Sector RTUs commissioned and integrated under ULDC SchemeSL No. RTU Reporting CC

1 Chinakampally Central 2 Gazuwaka Central 3 Ghanapur Central 4 Gooty 400 Central 5 Hosur 400 Central 6 Kaiga APP Central 7 Kalpakkam (MAPP) Central 8 Kayamkulam TPS Central 9 Khammam Central

10 Local RTU Central 11 Madurai 400 Central 12 Munirabad Central 13 Nellore 400 Central 14 Neyveli TS-I Extn. Central 15 Neyveli TS-II Central 16 Ramagundam Central 17 Salem 400 Central 18 Somanahalli Central 19 Sriperumbudur Central 20 Tallapally Central 21 Trichur North Central 22 Trichy 400 Central 23 Udumalpet 400 Central 24 Vijayawada 400 Central 25 Kolar RCI Central 26 Trivandrum 400KV Central 27 Hiriyur 400KV Central 28 Narendra Central 29 Mysore Central 30 Talcher RCI Central 31 Gazuwaka RCI Central

II. APTRANSCO

SL No. RTU Reporting CC1 A.P. Carbides Cuddapah 2 Ananthapur Cuddapah 3 Chinakampalli Cuddapah 4 Chitoor Cuddapah 5 Cuddapah 220 Cuddapah 6 Gooty 220 Cuddapah 7 Gooty SWS Cuddapah 8 Hampi PH Cuddapah 9 Hindupur Cuddapah

10 Kalikiri Cuddapah 11 Kurnool Cuddapah 12 Marakapur Cuddapah 13 Mydukur Cuddapah 14 Nandyal Cuddapah 15 Nellore 220 Cuddapah

16 NTS (presently shifted to Shamshabad

under Mamidipally SLDC - under integration)

Cuddapah

17 Ongole Cuddapah

List of RTUs integrated under ULDC Scheme

A - RTUs commissioned and integrated under ULDC Scheme

17


ANNEXURE - I18 Podili Cuddapah 19 Rajampet Cuddapah 20 Renigunta Cuddapah 21 RTPP Cuddapah 22 Somayajulapalli Cuddapah 23 Srisailam LBPH Cuddapah 24 Srisailam PH Cuddapah 25 Sullurpet Cuddapah 26 Yerraguntla Cuddapah 27 CH Gutta Mamidapally 28 Chellakurthy Mamidapally 29 Erragada Mamidapally 30 Gachibowli Mamidapally 31 Ghanapur Mamidapally 32 Mamidapally 400 Mamidapally 33 Jubilee Hills Mamidapally 34 Kalwakurthy Mamidapally 35 Kalwakurthy SWS Mamidapally 36 Local RTU Mamidapally 37 Mahaboob Nagar Mamidapally 38 Malkaram Mamidapally 39 Tandur 220 KV Mamidapally 40 Medchal 220KV Mamidapally 41 Minpur Mamidapally 42 Moulali Mamidapally 43 N' Sagar LCPH Mamidapally 44 N' Sagar PH Mamidapally 45 N' Sagar RCPH Mamidapally 46 Narketpalli Mamidapally 47 R.C.Puram PH Mamidapally 48 Shapurnagar Mamidapally 49 ShivaramPalli Mamidapally 50 Siddipet Mamidapally 51 Tallapally Mamidapally 52 Yeddumailaram Mamidapally 53 Bhimadole Vijayawada 54 Bommur Vijayawada 55 Chilakallu Vijayawada 56 Garividi Vijayawada 57 Gazuwaka Vijayawada 58 Gunadala Vijayawada 59 Tadikonda 220KV Vijayawada 60 Kakinada SS Vijayawada 61 Spectrum Vijayawada 62 Kalapakka Vijayawada 63 Kondapalli Vijayawada 64 Lower Sileru Vijayawada 65 Machkund Vijayawada 66 Nidadhavolu 220KV SS Vijayawada 67 Peddapuram Vijayawada 68 Pendurthy Vijayawada 69 Jeegurupadu PH Vijayawada 70 Simhadhri Vijayawada 71 Upper Sileru Vijayawada 72 Vijaywada Vijayawada 73 Vijjeswaram Vijayawada 74 Visakhapatanam SWS Vijayawada 75 VTPS Vijayawada 76 Bhimgal Warangal

18


ANNEXURE - I77 Bhongir Warangal 78 Durshed Warangal 79 Jagitial Warangal 80 Khammam - B Warangal 81 KTPS Warangal 82 KTPS Vth stage Warangal 83 Manugur Warangal 84 Miryalaguda Warangal 85 Nirmal Warangal 86 Dichpally 220 Warangal 87 Ramagundam( Malayalapally ) Warangal 88 RTS - B Warangal 89 Sitarampatnam Warangal 90 Wadekothapally Warangal 91 Warangal Warangal

B. APTRANSCO's own RTUs integrated under ULDC SchemeSL No. RTU Reporting CC

1 Kandi 132 KV Hyderabad 2 Kottur 132 KV Hyderabad 3 Bandlaguda 132 KV Hyderabad 4 Gunrock 132 KV Hyderabad 5 Raghunathpally Hyderabad 6 Kodur 220 KV Hyderabad 7 Ramagiri 220/33 KV Hyderabad 8 Nidadhavolu 132 KV Hyderabad 9 Dairy Farm 220 KV Hyderabad

10 Rampachodavaram Hyderabad 11 Mahaboobnagar 400 KV ( Veltoor ) Mamidapally 12 LANCO Vijayawada 13 BSES Vijayawada 14 Vemagiri 400KV Vijayawada 15 Chittoor 400KV Cuddapah 16 Nelloor 400KV Cuddapah 17 Tadipatri 220KV Cuddapah

III. KPTCLA. RTUs commissioned and integrated under ULDC SchemeSL No. RTU Reporting CC

1 Alipur (Bellary) Bangalore 2 Ambewadi Bangalore 3 Antharasanahalli Bangalore 4 Basavana Bagewadi Bangalore 5 Chikkodi Bangalore 6 D. G. Plant (Yelahanka) Bangalore 7 Guttur (Davangere) Bangalore 8 Hassan Bangalore 9 Hebbal Bangalore

10 Humnabad Bangalore 11 Itagi (Hagari Bommanahalli) Bangalore 12 Kadakola Bangalore 13 Kadra Bangalore 14 Kibbanahalli Cross Bangalore 15 Kodasalli Bangalore 16 Kushtagi Bangalore 17 Lingasugur Bangalore 18 Local RTU Bangalore 19 Mahalingapur Bangalore 20 N.R.S. (Bangalore) Bangalore

19


ANNEXURE - I21 Sedam Bangalore 22 T.K. Halli Bangalore 23 Sharavathy Bangalore 24 RTPS Bangalore 25 Nagjhari Bangalore 26 Varahi Bangalore 27 Linganamakki LPH Bangalore 28 Gowribidanur 220 KV Bangalore 29 Hiriyur 220 KV Bangalore 30 Hoody 220/400 KV Bangalore 31 Hubli 220 KV Bangalore 32 Kavoor 220 KV Bangalore 33 Subramanyapura 220 KV Bangalore 34 Jog GS ( MGHE ) Bangalore 35 Supa GS Bangalore 36 Shimoga 220 Bangalore 37 Somanahalli 220 Bangalore 38 Shahabad 220 Bangalore 39 Peenya 220 Bangalore 40 Munirabad GS Bangalore 41 Hootagalli (Mysore) 220 KV Bangalore 42 Belgam 220 KV Bangalore 43 Davangere 220 KV Bangalore

B. KPTCL's own RTUs integrated under ULDC SchemeSL No. RTU Reporting CC

1 Anchepalya 220 Bangalore 2 Bidadi Bangalore 3 Doddaballapur Bangalore 4 Gadag Bangalore 5 Haveri 220 KV Bangalore 6 HSR Layout Bangalore 7 KEMAR 220 Bangalore 8 Kolar 220 Bangalore 9 Lingapur 220 Bangalore

10 Malur 220 Bangalore 11 Narendra 220 Bangalore 12 Raichur 220 Bangalore 13 Ranibennur 220 Bangalore 14 Yerandahalli 220 Bangalore 15 Bhadra Bangalore 16 Thaneerbhavi IPP Bangalore 17 Tata Power House IPP Bangalore 18 Rayalseema IPP Bangalore 19 Jindal IPP Bangalore 20 Nelamangala 400 KV Bangalore 21 Talaguppa 400 KV Bangalore

IV. KSEB A. RTUs commissioned and integrated under ULDC SchemeSL No. RTU Reporting CC

1 Chalakudy Kalamassery 2 Cochin Kalamassery 3 Idamalayar Kalamassery 4 Idukki Kalamassery 5 Kalamassery Kalamassery 6 Lower Periyar Kalamassery 7 Neriamangalam Kalamassery 8 Pallivasal Kalamassery

20


ANNEXURE - I9 Pallom Kalamassery

10 Poringalkuttu Kalamassery 11 Sengulam Kalamassery 12 Sholayar Kalamassery 13 Arikode (Kozhikode-B) Kozhikode (Kannur) 14 Kaniampetta Kozhikode (Kannur) 15 Kannur B Kozhikode (Kannur) 16 Kasargode-B Kozhikode (Kannur) 17 Kozhikode-A Kozhikode (Kannur) 18 Kuttiady Kozhikode (Kannur) 19 Manjeshwaram Kozhikode (Kannur) 20 Palakkad-B Kozhikode (Kannur) 21 Trichur North Kozhikode (Kannur) 22 Trikaripur Kozhikode (Kannur) 23 Edamon Trivandrum 24 Edappon Trivandrum 25 Kakkad Trivandrum 26 Kundara Trivandrum 27 Parasala Trivandrum 28 Sabarigiri Trivandrum 29 Trivandrum North Trivandrum 30 Punnapra Trivandrum

B. KSEB 's own RTUs integrated under ULDC SchemeSL No. RTU Reporting CC

1 Taliparamba 220 KV Kozhikode (Kannur)

V. Electricity Department, Pondy A. RTUs commissioned & integrated under ULDC SchemeSL No. RTU Reporting CC

1 Bahour 230 KV Pondicherry 2 Mahe 110/11 KV Pondicherry 3 T.R.Pattanam 110/11 KV Pondicherry 4 Vallianur 230/110 KV Pondicherry 5 Yanam 132/11 KV Pondicherry 6 Marapallam 110 /22/11 KV Pondicherry 7 Kurumbapet 110/22 KV Pondicherry 8 Sedarapet Pondicherry 9 Thethampakkam 110/22 KV Pondicherry

10 Kalapet 110/22 KV Pondicherry 11 Eripakkam 110/22 KV Pondicherry 12 Thirubhuvani 110 KV Pondicherry 13 Karaikal 110/11 KV Pondicherry 14 Bahour 110/22 KV Pondicherry

B. Elect Dept, Pondy's own RTUs integrated under ULDC SchemeSL No. RTU Reporting CC

1 Korkadu 110/22 KV Pondicherry 2 Pillaitheruvasal 110/11KV Pondicherry

VI. TNEB

SL No. RTU Reporting CC1 Arni Chennai 2 Cuddalore Chennai 3 Gumidipoondi Chennai 4 Kadaperi Chennai 5 Koyambedu Chennai 6 Mosur Chennai

A - RTUs commissioned & integrated under ULDC Scheme

21


ANNEXURE - I7 Mylapore Chennai 8 SP Koil Chennai 9 Tondiarpet Chennai

10 Villupuram 230 Chennai 11 Vinnamangalam Chennai 12 Acharapakkam Chennai 13 Basin Bridge Chennai 14 Ennore TPS Chennai 15 Manali Chennai 16 Koratur Chennai 17 Neyveli TS I Chennai 18 NMTPS Chennai 19 Sriperumbudur Chennai 20 Thiruvalam Chennai 21 Taramani Chennai 22 Hosur Erode 23 TV Malai Erode 24 Singarapet Erode 25 Parsons' Valley Erode 26 Athur 230 (Deviakurchi) Erode 27 Gobichettypalayam Erode 28 Kadamparai PH Erode 29 Kundah PH 1 Erode 30 Kundah PH 4 Erode 31 Mettur Auto SS Erode 32 Mettur Dam PH Erode 33 Mettur Tunnel PH Erode 34 Moyar Erode 35 Sholayar PH 1 Erode 36 Thiruchengode Erode 37 Aliyar PH Erode 38 Arasur Erode 39 Ingur Erode 40 Kundah PH 2 Erode 41 Kundah PH 3 Erode 42 Lower Mettur PH3 Erode 43 Mettur TPS Erode 44 Pykara PH Erode 45 Salem 230 Erode 46 Salem 400 Erode 47 Thudiyalur Erode 48 Udumalpet 400 Erode 49 Udumalpet 230 Erode 50 Erode Erode 51 Echangodu Madurai 52 Karaikudi Madurai 53 Kodaiyar PH2 Madurai 54 Madurai North ( Alagarkoil) Madurai 55 Myladuthurai Madurai 56 Paramkudi Madurai 57 Perambulur Madurai 58 Pudukottai Madurai 59 S.R.Pudur Madurai 60 Samayapuram Madurai 61 Sathur (Anuppankulam) Madurai 62 Sembatty Madurai 63 Thanjore Madurai 64 Tuticorin Auto Madurai 65 Madurai 230 Madurai

22


ANNEXURE - I66 Madurai 400 Madurai 67 Periyar PH Madurai 68 Pugalur Madurai 69 Theni Madurai 70 Kayathar Madurai 71 Thiruvarur Madurai 72 Trichy 230 Madurai 73 Trichy 400 Madurai 74 Tuticorin TPS Madurai 75 SIPCOT Madurai

SL No. RTU Reporting CC1 STCMS IPP Chennai 2 GMR PCL IPP Chennai 3 TCPL IPP Chennai 4 Vyasarpadi 110 KV Chennai 5 Sembiyam 110 KV Chennai 6 SPCL IPP Erode 7 Kovilkalappal Madurai 8 Vazhuthur Madurai 9 PP Nallur IPP Madurai

10 MPCL IPP Madurai 11 Kuttalam Madurai 12 Aban Madurai 13 Arkay IPP ( Penna ) Madurai 14 Arkay CPP Madurai15 Coramandal CPP Madurai16 Sai_Regency CPP Madurai17 Kauvery CPP Madurai

B - TNEB own RTU's integrated under ULDC Scheme

23

RSCC, BANGALORE CONTROL CENTREANNEXURE-II/1

FRONT END PROCESSORS

DUAL LAN

RAID

WS01 WS02 WS03 WS04 WS05

FEP-1 FEP-2

AP-01 AP-02 AP-04 AP-05 AP-06

SCADA AGC

DATA

SERVER

AP-03BACKUP

SERVER

PNA/ICCP

SERVER

COPS

SERVERBACKUP

SERVER

Switch

AP-07DTS

SERVER

AP-08DTS

SERVER

WS06 WS07

DTS SYSTEM

PNA:POWER NETWORK ANALYSIS

COPS: COMPREHENSIVE OPERATION PLANNING AND SCHEDULING

ICCP: INTER CONTROL CENTRE COMMUNICATION PROTOCOL

RAID:- REDUNDANT ARRAY OF INDEPENDENT DISKS

WORK

STATIONS

APPLICATION PROCESSOR

ANNEXURE-II/2

SLDC, CONTROL CENTRE

FRONT END PROCESSOR

DUAL LAN

RAID

WS01 WS02 WS03 WS04

FEP-1 FEP-2

AP-01 AP-02 AP-03 AP-04 AP-05 AP-06

SCADA AGC

DATA

SERVER

BACKUP

SERVER

PNA/ICCP

SERVER

COPS

SERVERBACKUP

SERVER

WORK

STATIONS

APPLICATION SERVERS


ANNEXURE-III

S

DEPLOYMENT OF POWER APPLICATION FUNCTIONS ACROSS VARIOUS CONTROL CENTRE

26


ANNEXURE - IV

VIJAYAWADATALLAPALLI

GAJUWAKA

VIDYUTH SOUDHA

GOOTY

SALEM400

UDUMALPETTRICHUR NORTH

MADURAI

TRICHY

SRIPERUMBUDUR

NEYVELI

CHINAKAMPALLYDAVANAGERE

RAMAGUNDAM

PONDY

SOMANAHALLIP

N

PALLOMKAYANKULAM

RSCC (1)

CPCC (1)

SLDC (4)

SUB -LDC / SCC (14 )

FIBRE OPTIC LINK 110/132 kvFIBRE OPTIC LINK (220 kv)FIBRE OPTIC LINK (400 kv)FIBRE OPTIC LINK (SEB )

SOUTHERN REGIONAL ULDC COMMUNICATIONBACKBONE NETWORK

WARANGAL

PEDAPALLIDURSHED

JAMMIKUNTA

VTPS

VIZAG SWS

KAKINADA

BOMMUR

BHIMADOLEN’SAGAR PH

SRISAILAM PH

SRISAILAM LBPHKURNOOL

SOMAYAJULAPALLI

MUDDANOOR RTPP

ANANTHAPUR

SHAPURNAGAR

GHANAPUR

CH.GUTTAHYDERABAD 400

LEGEND LEGEND

CHALAKUDIKALAMASSERY

VIAKKAM

KUNDRA PARIPALLI

TRIVANDRUM NORTHVYDYUTHI BHAVANAM

KOZHIKODE

KANNUR-B

MADURAI400

CHENNAI

CHIDAMBARAM

MYLADUTURAI

SALEM230

ERODE

SIVAGANGA

KARAIKUDI

THIRUMAYAMPUDUKOTTAI

THIRUVARURORTHANADUKOVILVENNI

ADANIKOTTAI

INGUR

PONGALORE

PANRUTI

VILLIANUR

SP.KOVIL

BANGALORE

KUMBALGODI

:

LINGASUGUR

APTRANSCOGE RTUs:91OTHERS: 17

KPTCLGE RTUs:22OTHERS: 40RCI: 02

KSEBGE RTUs:30OTHERS: 1

TNEBGE RTUs:40OTHERS: 52

CENTRALGE RTUs:28RCI: 03

MICROWAVE LINK (35 links )SATELLITE LINK (KEB )RTU LOCATIONS

PONDYGE RTUs:5

OTHHERS: 11

HINDUPUR

KOLAR

FIBRE OPTIC LINK (220kv/66kv/under ground)

MAMIDIPALLI

64 Kbps BSNL DATA link

MICROWAVE REPEATER STATION

27


AGENCY HYDRO THERMAL GAS/DIESEL WIND/OTHERS NUCLEAR TOTAL

ANDHRA PRADESH 3586.36 3172.5 272 2 -- 7032.86 (18.6%)

KARNATAKA 3389.25 1470 127.8 4.55 -- 4991.6 (13.6%)

KERALA 1835.1 -- 234.6 2.025 -- 2071.725 (5.6%)

TAMILNADU 2167.35 2970 422.88 19.355 -- 5579.585 (15.1%)

PONDICHERRY -- -- 32.5 -- -- 32.5 (0.1%)

CENTRAL SECTOR -- 8090 359.58 -- 880 9329.58 (25.4%)

IPP 281.33 387.01 3149.26 4516.465 0 8334.065 (21.7%)

TOTAL 11259.39 (30.1%) 16089.51 (43.0%) 4598.62 (12.3%) 4544.395 (12.2%) 880 (2.4%) 37371.915 (100.0%)

Note:i). NTPC, 1000MW capacity at Simhadri, 359.58MW capacity at Kayamkulam and NLC's 600MW capacity at Neyveli Stage I which are fully dedicated to Andhra Pradesh, Kerala &Tamil Nadu respectively have also been included under the Central Sector.ii). The statewise bifurcation of IPP's is as follows:

5.1 SUMMARY OF EFFECTIVE INSTALLED CAPACITY IN MW IN SOUTHERN REGION AS ON 31.03.2007

5 GENERATING CAPACITY


ANDHRA PRADESH 91.4 73.51 1615.92 561.92 --- 2342.75

KARNATAKA 156.93 --- 435.9 721.17 --- 1314

KERALA 33 --- 178.93 --- --- 211.93

TAMILNADU --- 313.5 918.51 3233.375 --- 4465.385

TOTAL 281.33 387.01 3149.26 4516.465 0 8334.065

28


ANDHRA PRADESH

SL.NO. STATION INSTALLED CAPACITY (MW) EFFECTIVE CAPACITY (MW)

HYDRO

1 MACHKUND 3x(23+17)x70% 84

2 T.B.DAM (8x9)x80% 57.6

3 UPPER SILERU 4x60 240

4 DONKARAYI 1x25 25

5 LOWER SILERU 4x115 460

6 SRISAILAM RBPH 7x110 770

7 SRISAILAM LBPH 6x150 900

8 N'SAGAR 1x110+7x100.8 815.6

9 NSR RT.CANAL.P.H 3x30 90

10 NSR LT.CANAL.P.H 2x30 60

11 NIZAMSAGAR 2x5 10

12 MINI HYDEL 12.16 12.16

13 POCHAMPAD 3x9 27

14 PENNA AHOBILAM 2x10 20

15 SINGUR 2x7.5 15

TOTAL 3586.36

THERMAL (COAL)

1 RAMAGUNDAM-B 1x62.5 62.5

2 KOTHAGUDEM-A 4x60 240

3 KOTHAGUDEM-B 2x120 240

4 KOTHAGUDEM-C 2x120 240

5 KOTHAGUDEM-D 2x250 500

6 VIJAYAWADA 6x210 1260

7 RAYALASEEMA 3x210 630

TOTAL 3172.5GAS/NAPTHA/DIESEL

1 VIJJESWARAM (GAS) 2x33+1x34 100

2 VIJJESWARAM (GAS) 1x112.5+1x59.5 172TOTAL 272

WIND MILL

1 WIND 2 2TOTAL 2

IPPHYDRO

1 MINI HYDRO 91.4 91.4COAL

2 MINI POWER PLANTS 73.51 73.51GAS/NAPTHA/DIESEL

3 LANCO (GAS) 2x115+1x125 355

4 JEGURUPADU (GAS) 2x45.8+1x48.9+1x75.5 216

5 SPECTRUM (GAS) 1x46.8+2x46.1+1x68.88 207.88

6 ISOLATED GAS WELL (GAS) 27.04 27.04

7 GVK EXTENSION(GAS) 1x140+1x80 220

8 RELIANCE ENERGY LTD. (GAS) 1x140+1x80 220

9 VEMAGIRI POWER GENERATION LTD. (GAS) 1x233+1x137 370WIND

10 WINDMILL 103.57 103.57OTHERS

11 CO-GENERATION (RCL) 41 41

12 BAGASSE 183.2 183.2

13 BIOMASS 213.05 213.05

14 WASTED BASED PP 21.1 21.1TOTAL 2342.75

TOTAL ANDHRA PRADESH 9375.61

Note: Simhadri (NTPC) of 1000 MW capacity Coal based plant, fully dedicated to Andhra Pradesh has been included under Central Sector.

5.2 DETAILS OF EFFECTIVE INSTALLED CAPACITY IN SOUTHERN REGION AS ON 31.03.2007

29


KARNATAKA


HYDRO

1 SHARAVATHI 10x103.5 1035

2 LINGANAMAKKI.P.H. 2x27.5 55

3 JOG 4x18+4x12 120

4 NAGJHERI 3x135+3x150 855

5 SUPA 2x50 100

6 VARAHI 2x115 230

7 BHADRA POWER HOUSE 1x7+2x12.1+1x2+6 39.2

8 SIVANSAMUDRAM 6x3+4x6 42

9 SHIMSHA 2x8.6 17.2

10 MUNIRABAD 3x9 27

11 T.B.DAM SHARE (20 %) 8x9(20%) 14.4

12 GHATAPRABHA 2x16 32

13 MANI DAM.P.H. 2x4.5 9

14 MINI HYDRO 1.4+0.35+2.7 4.45

15 MALLAPUR 2x4.5 9

16 KODASALLI 3x40 120

17 SHARAVATHI TAIL RACE 4x60 240

18 KADRA 3x50 150

19 ALMATTI 1x15+5x55 290TOTAL 3389.25

THERMAL (COAL)

1 RAICHUR.T.PS. 7x210 1470TOTAL 1470

GAS/NAPTHA/DIESEL

1 YELEHANKA (DEISEL) 6x21.3 127.8TOTAL 127.8

WIND

1 KAPPATAGUDDA 4.55 4.55TOTAL 4.55

IPPHYDRO

1 MINI HYDEL 156.93 156.93GAS/NAPTHA/DIESEL

2 TANIR BHAVI (NAPTHA) 220 220

3 JINDAL (COREX GAS) 100 100

4 TATA ELECTRIC (DIESEL) 5x15.82 79.1

5 RAYAL SEEMA ALKALIES (DIESEL) 2x13.9 27.8

6 ITPL (DIESEL) 9 9WIND

7 WIND MILL 413.24 413.24OTHERS

8 CO-GENERATION 241.55 241.55

9 BIO-MASS 66.38 66.38TOTAL 1314

TOTAL KARNATAKA 6305.6

KERALA


HYDRO

1 KUTTIADI + KUTTIADI EXTENTION 3x25 + 1x50 125

2 SHOLAYAR 3x18 54

3 PORINGALKUTHU 4x8 32

4 PALLIVASAL 3x7.5+3x5 37.5

5 SENGULAM 4x12 48

6 PANNIAR 2x15 30

7 NERIAMANGALAM 1x18+1x15+1x17.5 50.5

8 SABARIGIRI 5x50+1x60 310

9 IDUKKI 3x130+3x130 780

10 IDAMALAYAR 2x37.5 75

30

SRLDC ANNUAL GRID REPORT 2006-07KERALA

HYDRO11 KALLADA 2x7.5 15

12 MADUPETTY 2 2

13 PEPPARA 3 3

14 L.PERIYAR 3x60 180

15 MALAMPUZHA 1x2.5 2.5

16 POR.L.BANK 16 16

17 KAKKAD 2x25 50

18 CHEMBUKADAVU 1x2.7+1x3.75 6.45

19 URUMI 1 x 3.75 + 1 x 2.4 6.15

20 MALANKARA 3 x 3.5 10.5

21 LOWER MEENMUTTY 1x 1.5 1.5TOTAL 1835.1

GAS/NAPTHA/DIESEL

1 BRAHMAPURAM DGPP (DIESEL) 5x21.32 106.6

2 KOZHIKODE DPP (DIESEL) 8x16 128TOTAL 234.6

WIND

1 WIND MILL 2.025 2.025TOTAL 2.025

IPPHYDRO

1 MANIYAR 3x4 12

2 KUTHUNGAL 3x7 21GAS/NAPTHA/DIESEL

3 BSES (NAPTHA) 3x40.5(GT)+1x35.5(ST) 157

4 KASARGODE (DIESEL) 3x7.31 21.93TOTAL 211.93

TOTAL KERALA 2283.655Note: RGCCPP, Kayamkulam (NTPC) of 359.58 MW capacity Naptha based plant, fully dedicated to Kerala has been included under Central Sector.

TAMILNADU


HYDRO

1 PYKARA 3x6.65+1x11+2x14 59

2 PYKARA MICRO 1x2 2

3 PYKARA ULTIMATE 3x50 150

4 MOYAR 3x12 36

5 MARAVAKANDI 1x0.7 0.7

6 KUNDAH-I 3x20 60

7 KUNDAH-II 5x35 175

8 KUNDAH-III 3x60 180

9 KUNDAH-IV 2x50 100

10 KUNDAH-V 2x20 40

11 KUNDAH-VI 1x30 30

12 SURULIYAR 1x35 35

13 KADAMPARAI 4x100 400

14 ALIYAR 1x60 60

15 POONACHI 1x2 2

16 METTUR DAM 4x10 40

17 METTUR TUNNEL 4x50 200

18 LOWER METTUR 8x15 120

19 BHAVANISAGAR 4x2 8

20 PERIYAR 4x35 140

21 VAIGAI 2x3 6

22 PAPANASAM 4x7 28

23 SERVALAR 1x20 20

24 SARKARAPATHY 1x30 30

25 SHOLAYAR 2x35+25 95

26 LOWER BHAVANI 8 8

27 KODAYAR 1x60+1x40 100

28 SATHANUR DAM PH 1x7.5 7.5

29 MICRO TOTAL 5.15 5.15

30 BHAVANI KATTALAI BARRAGE - I 2x15 30TOTAL 2167.35


31

SRLDC ANNUAL GRID REPORT 2006-07TAMILNADU


THERMAL (COAL)

1 ENNORE.T.P.S 2x60+3x110 4502 TUTUCORIN.T.P.S 5x210 10503 METTUR.T.P.S 4x210 8404 NORTH MADRAS.T.P.S 3x210 630

TOTAL 2970GAS/NAPTHA/DIESEL

1 BASIN BRIDGE (NAPTHA) 4x30 1202 KOVIL KALAPPAL (GAS) 1x70+1x37.88 107.883 VALATHUR (GAS) 1x60+1x34 944 KUTTALAM (GAS) 1x64+1x37 101

TOTAL 422.88WIND

1 TNEB WIND MILL 19.355 19.355

TOTAL 19.355IPPCOAL

1 TCPL 63.5 63.5LIGNITE

2 ST - CMS 250 250GAS/NAPTHA/DIESEL

3 P P NALLUR (NAPTHA) 330.5 330.54 ABAN POWER (GAS) 74.41+38.81 113.215 HI-TECH (GAS) 15 156 MADURAI POWER CL (DIESEL) 106 1067 SAMALPATTY (DIESEL) 7x15 1058 ARKEY ENERGY(GAS) 1x38+1x14.8 52.89 GMR POWER (DIESEL) 4x49 196

WIND

10 WIND MILL 2878.425OTHERS

11 CO-GENERATION 314.612 BIO-MASS 40.35

TOTAL 4465.385

TOTAL TAMIL NADU 10044.97Note: Neyveli-I (NLC) of 600 MW capacity Lignite based plant, fully dedicated to Tamil Nadu has been included under Central Sector.

PONDICHERRY


GAS/NAPTHA/DIESEL

1 KARIAKAL POWER PLANT (GAS) 1x32.5 32.5

TOTAL 32.5

TOTAL PONDICHERRY 32.5

CENTRAL SECTOR


THERMAL

COAL1 RAMAGUNDAM T.P.S (ISGS) - NTPC 3x200+4x500 26002 TALCHER STAGE II (ISGS) - NTPC 4x500 20003 SIMHADRI (AP) - NTPC 2x500 1000

LIGNITE4 NEYVELI-I (TN) - NLC 6x50+3x100 6005 NEYVELI-II (ISGS) - NLC 7x210 14706 NEYVELI TPS-I (Expansion) (ISGS) - NLC 2x210 420

TOTAL 8090GAS/NAPTHA/DIESEL

7 RGCCPP,KAYAMKULAM (KSEB) - NTPC 2x116.6(GT)+1x126.38(ST) 359.58TOTAL 359.58

NUCLEAR1 M.A.P.S KALPAKAM (ISGS) - NPC 2x220 4402 KAIGA A.P.S (ISGS) - NPC 2x220 440

TOTAL 880TOTAL CENTRAL SECTOR 9329.58

GRAND TOTAL 37371.915

32


YEAR HYDRO THERMAL GAS/NAPTHA/ DIESEL NUCLEAR WIND/OTHERS TOTAL

1997-98 8907.75 10941.45 1033.92 340.00 78.11 21301.23

1998-99 9141.00 11186.25 1485.92 340.00 84.11 22237.28

1999-00 9665.70 11450.56 1897.40 560.00 110.36 23684.02

2000-01 9424.30 12064.76 2545.58 780.00 114.10 24928.74

2001-02 9932.41 13290.25 2480.41 780.00 127.21 26610.27

2002-03 10469.86 14825.39 2963.42 780.00 149.36 29188.03

2003-04 10721.58 15515.84 3463.69 830.00 263.12 30794.23

2004-05 10938.99 15909.51 3955.82 830.00 1099.42 32733.74

2005-06 11222.19 15879.51 4446.82 880.00 4009.12 36769.32

2006-07 11259.39 16089.51 4598.62 880.00 4544.40 37371.92

5.3 GROWTH OF INSTALLED CAPACITY OF SOUTHERN REGION DURING PAST DECADE

33


A.. AVERAGE ENERGY PER DAY

DEMAND MET REQUIREMENT SHORTAGE

MU/Day MU/Day %

ANDHRA PRADESH 156.0 163.9 4.8

KARNATAKA 109.5 111.9 2.1

KERALA 39.8 40.6 2.1

TAMIL NADU 157.1 160.0 1.8

PONDICHERRY 4.4 4.6 2.7

SOUTHERN REGION 466.8 481.0 2.9

B.. PEAK DEMAND MW

MAX DEMAND MET MAX REQUIREMENT SHORTAGE

MW MW %

ANDHRA PRADESH 8641 10210 15.4

KARNATAKA 5959 6046 1.4

KERALA 2742 2800 2.1

TAMIL NADU 8803 9015 2.4

PONDICHERRY 243 250 2.8

SOUTHERN REGION 25039 27050 7.4

Note: The Values of Shortages and Requirement indicated above and in subsequent sheets are tentative and approximate based on the intial information collected from the respective control rooms on the day of operation.

STATE / UT

STATE / UT

6.1 SUMMARY OF POWER SUPPLY POSITION IN SOUTHERN REGION

6 POWER SUPPLY POSITION

DURING 2006-07

34


STATE-->

Month Demand met (MU/Day)

Requirement (MU/Day) Shortage (%) Demand met

(MU/Day)Requirement

(MU/Day) Shortage (%) Demand met (MU/Day)

Requirement (MU/Day) Shortage (%)

Apr-06 159.1 164.1 3.0 120.3 124.0 2.9 41.5 42.8 3.1May-06 140.7 147.0 4.3 101.9 103.7 1.8 38.6 39.5 2.1Jun-06 143.8 149.2 3.7 87.3 88.6 1.5 37.5 38.0 1.5Jul-06 154.1 154.7 0.4 94.3 94.8 0.5 36.7 36.9 0.5Aug-06 159.1 159.3 0.1 105.3 105.2 0.0 38.3 38.3 -0.1Sep-06 155.5 160.6 3.2 101.7 102.6 0.8 38.2 38.6 1.0Oct-06 163.5 168.3 2.8 107.8 110.4 2.4 38.7 39.6 2.2Nov-06 143.8 146.8 2.0 102.3 104.2 1.8 39.6 40.4 2.0Dec-06 148.1 162.5 8.9 114.8 118.3 2.9 39.9 41.2 3.1Jan-07 157.2 175.2 10.3 122.6 126.1 2.8 40.7 42.0 3.1Feb-07 167.3 185.8 9.9 127.6 131.2 2.7 42.0 43.3 3.0Mar-07 180.2 194.7 7.5 129.4 134.5 3.8 45.6 47.0 3.02006-07 156.0 163.9 4.7 109.5 111.9 2.0 39.8 40.6 2.0

STATE-->

Month Demand met (MU/Day)

Requirement (MU/Day) Shortage (%) Demand met

(MU/Day)Requirement

(MU/Day) Shortage (%) Demand met (MU/Day)

Requirement (MU/Day) Shortage (%)

Apr-06 160.8 166.6 3.5 4.6 4.8 4.1 486.4 502.3 3.2May-06 149.3 152.0 1.7 4.5 4.7 2.8 435.0 446.9 2.6Jun-06 149.7 151.5 1.2 4.5 4.6 1.5 422.8 432.0 2.1Jul-06 148.9 149.5 0.4 4.6 4.7 0.7 438.7 440.6 0.4Aug-06 157.4 157.3 0.0 4.6 4.6 0.0 464.6 464.7 0.0Sep-06 157.6 158.9 0.8 4.6 4.6 1.4 457.5 465.2 1.7Oct-06 146.5 149.3 1.9 4.2 4.3 3.0 460.6 471.8 2.4Nov-06 138.2 140.8 1.8 4.1 4.2 2.4 427.9 436.3 1.9Dec-06 158.0 162.1 2.5 4.1 4.3 4.5 465.0 488.5 4.8Jan-07 162.7 166.9 2.5 4.2 4.4 4.4 487.4 514.6 5.3Feb-07 172.2 176.9 2.6 4.4 4.6 3.9 513.6 541.7 5.2Mar-07 184.3 188.8 2.4 4.8 5.0 3.9 544.3 569.9 4.52006-07 157.1 160.0 1.8 4.4 4.6 2.7 466.8 481.0 2.8

TAMILNADU PONDICHERRY SOUTHERN REGION

6.2 (A) MONTHWISE POWER SUPPLY POSITION(Average Energy in MU/Day) IN SOUTHERN REGION DURING 2006-07

ANDHRA PRADESH KARNATAKA KERALA

35


STATE-->

Month Demand met (MW)

Requirement (MW)

Shortage (%)

Demand met (MW)

Requirement (MW)

Shortage (%)

Demand met (MW)

Requirement (MW)

Shortage (%)

Apr-06 7840 8001 2.0 5611 6233 10.0 2602 2628 1.0May-06 6704 6751 0.7 5431 5541 2.0 2600 2655 2.1Jun-06 7089 7271 2.5 4952 5045 1.8 2536 2564 1.1Jul-06 8104 8138 0.4 4902 5015 2.3 2568 2596 1.1Aug-06 8281 8403 0.0 5448 5603 2.8 2589 2655 2.5Sep-06 8195 8200 0.1 5345 5378 0.6 2614 2594 -0.8Oct-06 8158 8293 1.6 5342 5461 2.2 2610 2625 0.6Nov-06 7340 7540 2.7 5086 5145 1.1 2615 2670 2.1Dec-06 7470 8302 10.0 5515 5719 3.6 2643 2696 2.0Jan-07 7520 8820 14.7 5640 5762 2.1 2664 2788 4.4Feb-07 8267 9878 16.3 5959 6046 1.4 2742 2800 2.1Mar-07 8641 10210 15.4 5861 6097 3.9 2737 2790 1.92006-07 8641 10210 15.4 5959 6046 1.4 2742 2800 2.1

STATE-->

Month Demand met (MW)

Requirement (MW)

Shortage (%)

Demand met (MW)

Requirement (MW)

Shortage (%)

Demand met (MW)

Requirement (MW)

Shortage (%)

Apr-06 8130 8321 2.3 243 250 2.8 23520 24606 4.4May-06 8371 8522 1.8 238 245 2.9 22376 22898 2.3Jun-06 8263 8364 1.2 227 232 2.2 22342 22714 1.6Jul-06 8261 8315 0.6 228 234 2.6 22361 22661 1.3Aug-06 8094 8135 0.5 231 230 -0.4 22945 23681 3.1Sep-06 8072 8122 0.6 236 240 1.7 22554 22432 -0.5Oct-06 7980 8174 0.0 224 229 2.2 22793 23472 2.9Nov-06 7734 7883 1.9 215 221 2.7 22499 22971 2.1Dec-06 8225 8367 1.7 214 223 4.0 23193 24751 6.3Jan-07 8319 8524 2.4 221 226 2.2 23434 25492 8.1Feb-07 8584 8762 2.0 231 242 4.5 24621 26715 7.8Mar-07 8803 9015 2.4 231 240 3.8 25039 27050 7.42006-07 8803 9015 2.4 243 250 2.8 25039 27050 7.4

TAMILNADU PONDICHERRY SOUTHERN REGION

6.2 (B) MONTHWISE POWER SUPPLY POSITION(Peak MW) IN SOUTHERN REGION DURING 2006-07


36


MAX. DATE MIN. DATE MAX. DATE MIN. DATE MAX. DATE MIN. DATE

Apr-06 172.97 07-04-06 127.61 17-04-06 126.77 05-04-06 98.68 16-04-06 44.21 06-04-06 36.17 14-04-06

May-06 148.10 03-05-06 128.31 28-05-06 115.10 01-05-06 79.08 31-05-06 45.02 11-05-06 27.53 30-05-06

Jun-06 151.60 13-06-06 136.00 25-06-06 107.53 14-06-06 67.46 25-06-06 40.56 15-06-06 33.22 25-06-06

Jul-06 169.68 21-07-06 130.59 04-07-06 109.27 25-07-06 73.77 02-07-06 39.09 26-07-06 30.86 03-07-06

Aug-06 174.32 26-08-06 116.90 05-08-06 121.67 31-08-06 94.08 13-08-06 41.09 25-08-06 33.85 15-08-06

Sep-06 172.29 12-09-06 134.41 17-09-06 122.27 02-09-06 81.40 17-09-06 41.04 01-09-06 33.45 10-09-06

Oct-06 174.68 17-10-06 140.62 31-10-06 122.43 24-10-06 87.23 02-10-06 40.95 12-10-06 35.14 15-10-06

Nov-06 155.70 29-11-06 131.60 05-11-06 114.09 30-11-06 88.30 08-11-06 41.77 30-11-06 35.55 05-11-06

Dec-06 155.40 01-12-06 136.37 17-12-06 122.24 29-12-06 104.90 03-12-06 42.11 13-12-06 36.43 17-12-06

Jan-07 164.00 24-01-07 146.77 02-01-07 126.87 30-01-07 115.69 21-01-07 42.73 12-01-07 37.01 07-01-07

Feb-07 176.50 28-02-07 161.74 18-02-07 134.48 27-02-07 121.63 25-02-07 44.22 28-02-07 39.04 04-02-07

Mar-07 186.78 27-03-07 171.61 04-03-07 134.97 06-03-07 124.70 25-03-07 47.81 23-03-07 40.51 04-03-07

2006-07 186.78 27-03-07 116.90 05-08-06 134.97 06-03-07 67.46 25-06-06 47.81 23-03-07 27.53 30-05-06


Apr-06 173.06 05-04-06 143.55 18-04-06 4.89 22-04-06 4.31 02-04-06 518.87 05-04-06 418.30 17-04-06

May-06 169.70 04-05-06 128.51 19-05-06 4.94 15-05-06 3.78 08-05-06 473.43 04-05-06 379.28 28-05-06

Jun-06 161.11 10-06-06 138.54 04-06-06 4.84 30-06-06 4.10 20-06-06 455.69 13-06-06 382.36 25-06-06

Jul-06 160.33 25-07-06 133.63 02-07-06 4.96 29-07-06 4.17 06-07-06 474.25 25-07-06 375.35 02-07-06

Aug-06 174.34 18-08-06 143.81 06-08-06 5.03 05-08-06 3.86 16-08-06 503.75 31-08-06 407.88 06-08-06

Sep-06 172.63 22-09-06 135.59 10-09-06 4.91 23-09-06 4.16 09-09-06 495.66 01-09-06 405.80 17-09-06

Oct-06 167.33 04-10-06 110.79 21-10-06 4.86 11-10-06 2.98 21-10-06 495.40 17-10-06 401.63 29-10-06

Nov-06 152.10 30-11-06 123.20 19-11-06 4.48 29-11-06 3.68 12-11-06 467.94 30-11-06 386.47 05-11-06

Dec-06 168.14 29-12-06 142.14 10-12-06 4.51 08-12-06 3.61 19-12-06 488.09 29-12-06 430.41 17-12-06

Jan-07 173.28 12-01-07 138.15 16-01-07 4.49 12-01-07 3.59 16-01-07 504.43 24-01-07 457.98 16-01-07

Feb-07 183.87 28-02-07 162.62 18-02-07 4.75 16-02-07 3.80 12-02-07 542.49 28-02-07 489.78 18-02-07

Mar-07 192.38 23-03-07 170.60 04-03-07 5.12 19-03-07 3.79 04-03-07 559.02 23-03-07 513.12 04-03-07

2006-07 192.38 23-03-07 110.79 21-10-06 5.12 19-03-07 2.98 21-10-06 559.02 23-03-07 375.35 02-07-06

6.3 MONTHWISE MAXIMUM AND MINIMUM ENERGY CONSUMPTION WITH CORRESPONDING DATES (MU/Day)

PONDICHERRY SOUTHERN REGION


TAMIL NADU

37



Apr-06 7840 10-04-06 6210 17-04-06 5611 26-04-06 4557 16-04-06 2602 28-04-06 1794 14-04-06

May-06 6704 17-05-06 5699 28-05-06 5431 03-05-06 3538 28-05-06 2600 02-05-06 1654 30-05-06

Jun-06 7089 09-06-06 6087 05-06-06 4952 12-06-06 3437 25-06-06 2536 19-06-06 2240 04-06-06

Jul-06 8104 20-07-06 6218 04-07-06 4902 24-07-06 3555 02-07-06 2568 26-07-06 1959 02-07-06

Aug-06 8281 27-08-06 5464 05-08-06 5448 30-08-06 4183 15-08-06 2589 31-08-06 2156 15-08-06

Sep-06 8192 02-09-06 6161 17-09-06 5345 05-09-06 4010 17-09-06 2614 28-09-06 2236 08-09-06

Oct-06 8158 24-10-06 6345 30-10-06 5342 31-10-06 4024 02-10-06 2610 10-10-06 2040 15-10-06

Nov-06 7340 30-11-06 6091 05-11-06 5086 02-11-06 4163 05-11-06 2615 27-11-06 2288 06-11-06

Dec-06 7470 01-12-06 6416 18-12-06 5515 28-12-06 4695 03-12-06 2643 11-12-06 2346 14-12-06

Jan-07 7520 26-01-07 6603 02-01-07 5689 11-01-07 5183 21-01-07 2664 03-01-07 2391 20-01-07

Feb-07 8267 28-02-07 7370 19-02-07 5959 17-02-07 5266 01-02-07 2742 27-02-07 2428 15-02-07

Mar-07 8641 18-03-07 7917 04-03-07 5861 02-03-07 5396 19-03-07 2737 21-03-07 2479 31-03-07

2006-07 8641 18-03-07 5464 05-08-06 5959 17-02-07 3437 25-06-06 2742 27-02-07 1654 30-05-06


Apr-06 8130 13-04-06 6652 16-04-06 243 22-04-06 180 14-04-06 23520 08-04-06 15288 17-04-06

May-06 8371 11-05-06 6710 21-05-06 238 20-05-06 155 16-05-06 22376 03-05-06 13790 29-05-06

Jun-06 8263 12-06-06 6994 25-06-06 227 19-06-06 175 11-06-06 22342 12-06-06 14985 26-06-06

Jul-06 8261 07-07-06 6995 02-07-06 228 13-07-06 150 05-07-06 22361 20-07-06 14264 03-07-06

Aug-06 8094 04-08-06 6780 15-08-06 231 11-08-06 166 15-08-06 22945 30-08-06 15353 04-08-06

Sep-06 8072 21-09-06 6566 03-09-06 236 13-09-06 158 01-09-06 22554 28-09-06 15024 18-09-06

Oct-06 7980 12-10-06 5500 21-10-06 224 11-10-06 152 24-10-06 22793 13-10-06 14485 13-10-06

Nov-06 7734 30-11-06 6247 12-11-06 215 30-11-06 175 05-11-06 22499 30-11-06 14215 05-11-06

Dec-06 8225 29-12-06 6674 10-12-06 221 08-12-06 166 10-12-06 23193 28-12-06 15257 11-12-06

Jan-07 8319 25-01-07 6555 16-01-07 221 29-01-07 166 17-01-07 23434 11-01-07 15968 16-01-07

Feb-07 8584 28-02-07 7404 18-02-07 231 16-02-07 174 25-02-07 24621 27-02-07 18392 05-02-07

Mar-07 8803 22-03-07 7656 04-03-07 231 13-03-07 174 04-03-07 25039 27-03-07 19046 04-03-07

2006-07 8803 22-03-07 5500 21-10-06 243 22-04-06 150 05-07-06 25039 27-03-07 13790 29-05-06

6.4 MONTHWISE MAXIMUM AND MINIMUM DEMAND MET WITH CORRESPONDING DATES (MW)

PONDICHERRY SOUTHERN REGION


TAMIL NADU

38


YEAR ANDHRA PRADESH KARNATAKA KERALA TAMIL NADU SOUTHERN REGION1997-98 104.58 59.60 25.82 101.68 291.68

1998-99 111.25 62.71 30.04 104.55 308.56

1999-00 125.00 72.00 32.00 114.00 343.00

2000-01 128.00 76.00 34.00 123.00 361.00

2001-02 129.00 80.00 35.00 130.00 374.00

2002-03 131.00 81.00 34.00 139.00 385.00

2003-04 130.00 85.00 36.00 147.00 398.00

2004-05 144.00 92.00 34.00 137.00 407.00

2005-06 144.40 93.54 36.73 138.60 417.43

2006-07 155.99 109.54 39.77 157.07 466.80

YEAR ANDHRA PRADESH KARNATAKA KERALA TAMIL NADU SOUTHERN REGION1997-98 5742 3527 1786 4918 15682

1998-99 6480 3820 1896 5196 17180

1999-00 6684 4066 2177 5580 18535

2000-01 7143 4464 2316 6290 19428

2001-02 7029 4644 2333 6686 20063

2002-03 6895 4805 2347 6957 20428

2003-04 7441 5445 2426 7401 21928

2004-05 7613 5612 2420 7473 223642005-06 8239 5558 2578 8209 23372

2006-07 8641 5959 2742 8803 25039

6.5 AVERAGE ENERGY CONSUMPTION OF SOUTHERN REGION DURING PAST DECADE ( MU/DAY)

PEAK DEMAND MET OF SOUTHERN REGION DURING PAST DECADE (MW)

39


ENTITLEMENT SCHEDULE ACTUAL DRAWAL ENTITLEMENT SCHEDULE ACTUAL

DRAWAL ENTITLEMENT SCHEDULE ACTUAL DRAWAL

Apr-06 32.61 30.31 31.81 29.26 24.14 26.50 23.20 10.48 8.80May-06 32.24 29.89 33.99 29.83 25.84 27.24 23.10 14.89 14.21Jun-06 29.02 27.27 31.69 27.87 22.59 21.70 21.31 13.45 13.11Jul-06 29.59 26.31 27.45 27.82 21.11 20.11 22.05 15.15 15.19Aug-06 30.66 20.47 18.90 28.58 22.98 23.47 22.75 19.20 20.05Sep-06 30.22 22.07 26.04 28.66 22.31 20.21 22.66 18.63 19.61Oct-06 28.71 23.62 26.38 26.19 19.45 20.31 21.23 17.53 17.59Nov-06 32.10 29.93 34.84 29.12 24.57 24.93 23.37 17.62 15.00Dec-06 31.58 29.99 35.20 28.76 23.97 26.97 22.48 17.70 15.70Jan-07 34.87 35.43 37.91 30.33 25.24 30.01 23.28 13.87 13.63Feb-07 38.37 39.74 43.32 31.67 26.77 32.12 24.10 13.20 13.27Mar-07 38.46 41.55 43.77 31.08 26.83 29.92 23.17 14.62 12.17TOTAL 388.43 356.58 391.29 349.18 285.81 303.49 272.71 186.34 178.32

ENTITLEMENT SCHEDULE ACTUAL DRAWAL ENTITLEMENT SCHEDULE ACTUAL

DRAWAL ENTITLEMENT SCHEDULE ACTUAL DRAWAL

Apr-06 47.17 52.74 52.41 5.22 4.95 4.94 2.17 1.99 1.64May-06 49.08 49.49 49.12 5.48 5.21 4.85 2.20 1.97 1.42Jun-06 44.50 41.38 42.52 5.25 5.00 4.84 2.22 1.86 1.34Jul-06 43.94 41.94 43.24 5.12 4.90 4.99 2.10 1.49 1.45Aug-06 45.54 42.34 43.94 5.09 4.82 4.95 2.02 1.84 1.50Sep-06 46.70 43.44 43.55 4.82 4.60 4.89 1.78 1.51 1.48Oct-06 43.16 39.60 38.52 4.35 4.11 4.50 1.76 1.56 1.55Nov-06 46.88 40.90 39.45 4.95 4.71 4.44 2.20 2.01 2.09Dec-06 46.42 42.96 40.44 4.78 4.57 4.46 2.15 1.98 1.69Jan-07 47.96 46.28 42.72 5.44 5.22 4.53 2.04 1.88 1.77Feb-07 51.03 56.17 55.52 5.97 5.70 4.77 2.03 1.87 1.73Mar-07 49.72 59.47 66.28 5.95 5.74 5.02 2.25 2.10 1.79TOTAL 562.08 556.71 557.71 62.41 59.54 57.20 24.91 22.06 19.45

MONTHS

MONTHS

6.6 AVERAGE DAILY ENTITLEMENT, SCHEDULE Vs ACTUAL DRAWAL BY STATES FROM THE GRID (MU)

ANDHARA PRADESH KARNATAKA KERALA

TAMIL NADU PONDICHERRY GOA

40


IMPORT(MU) EXPORT(MU) IMPORT(MU) EXPORT(MU) IMPORT(MU) EXPORT(MU)

APRIL 1.00 246.15 275.01 - 1087.45 -

MAY 2.65 211.78 247.44 - 1129.25 -

JUNE 7.76 278.95 212.52 - 937.75 -

JULY 1.02 386.61 342.79 - 1099.10 -

AUGUST 8.29 215.98 253.65 - 1125.88 -

SEPTEMBER 24.78 289.92 239.02 - 1155.50 -

OCTOBER 0.52 425.14 321.19 - 1221.62 -

NOVEMBER - 392.94 260.47 - 1134.02 -

DECEMBER 0.31 318.84 321.22 - 1077.60 -

JANUARY 0.37 336.56 277.52 - 1162.05 -

FEBRUARY 72.80 93.18 329.70 - 1128.24 -

MARCH 73.63 46.64 481.05 - 1249.17 -

2006-07 193.13 3242.69 3561.58 0.00 13507.63 0.00

BTB - Back to Back

6.7 INTER-REGIONAL EXCHANGES (PHYSICAL) OF SR WITH WR AND ER DURING 2006-07BHADRAWATI BTB GAZUWAKA BTB TALCHER-KOLAR BI-POLE

41


IMPORT (MU) EXPORT (MU)2001-02 788 54

2002-03 173 456

2003-04 298 543

2004-05 153 1755

2005-06 220 2939

2006-07 193 3243

IMPORT (MU) EXPORT (MU)2001-02 3666 0 43802002-03 3016 3 43802003-04 1926 0 43922004-05 2500 1

2005-06 2096 3

2006-07 3562 0 4752

IMPORT (MU) EXPORT (MU)2001-02 - -

2002-03 1458 0 36482003-04 6039 0 175682004-05 9330 0

2005-06 11163 0 175202006-07 13508 0

6.8 INTER-REGIONAL EXCHANGE (PHYSICAL) OF SR WITH WR AND ER DURING LAST 6 YEARS

YEAR TALCHER - KOLAR BI-POLE

YEAR BHADRAWATI BACK TO BACK

YEAR GAZUWAKA BACK TO BACK

42


2001-02 2002-03

GENERATOR MODE

GENERATOR MODE

GENERATOR MODE

PUMP MODE

GENERATOR MODE

PUMP MODE

GENERATOR MODE

PUMP MODE

GENERATOR MODE

PUMP MODE

APRIL 0.1 3.9 35.0 40.0 26.0 35.0 0.0 2.6 12.4 24.0

MAY 0.0 1.4 37.0 43.0 41.0 48.0 29.6 45.7 30.2 35.1

JUNE 1.0 6.4 29.0 45.0 55.0 35.0 45.3 51.2 49.9 49.4

JULY 27.5 6.9 47.0 49.0 50.0 49.0 79.0 62.3 60.4 42.2

AUGUST 21.4 8.8 54.0 55.0 55.0 41.0 49.5 25.0 60.1 46.3

SEPTEMBER 11.0 8.6 36.0 48.0 30.0 25.0 40.8 15.2 44.2 43.7

OCTOBER 19.5 18.5 26.0 15.0 0.0 0.0 46.9 45.1 45.4 47.1

NOVEMBER 17.9 16.7 23.0 24.0 0.0 0.0 64.1 59.2 59.1 58.2

DECEMBER 20.3 20.5 49.0 53.0 0.0 0.0 70.0 62.5 30.8 31.6

JANUARY 18.4 39.0 44.0 58.0 0.0 0.0 72.0 92.9 14.3 20.0

FEBRUARY 14.0 39.0 21.0 21.0 0.0 0.0 53.3 55.6 11.6 13.6

MARCH 5.7 32.0 6.0 18.0 0.0 0.0 30.9 37.9 9.6 4.5

TOTAL 156.7 201.8 407.0 469.0 257.0 233.0 581.4 555.3 427.8 415.8

Note: The plant was under shutdown from 16th Sep 2004 to 28th April 05 for dam maintenance works.

6.9 SRISAILAM LB ENERGY GENERATED/PUMPED DURING THE YEAR (MU)

GENERATOR MODE PUMP MODE GENERATOR

MODEPUMP MODE

APRIL 21.2 - 212.6 34.5

MAY 56.0 - 34.2 106.7

JUNE 5.3 - 45.1 75.6

JULY 11.7 - 273.9 18.4

AUGUST 571.5 - 547 0

SEPTEMBER 514.6 - 423.3 0

OCTOBER 335.1 - 263.5 9.1

NOVEMBER 110.5 - 137.9 76.1

DECEMBER 122.5 12.5 114.6 56.2

JANUARY 180.0 102.6 63.9 25.8

FEBRUARY 148.8 49.0 97 26

MARCH 166.6 88.1 172.9 0.0

TOTAL 2243.8 252.1 2385.9 428.4

Note: The plant started pump mode operation from 07th December 2005.

6.9 KADAMPARAI ENERGY GENERATED/PUMPED DURING LAST 6 YEARS (MU)

2006-07

MONTHS

2005-06

2005-06

2006-07

MONTHS2003-04 2004-05 *

43


(Figures in Gross Mus.)


ANDHRA PRADESH 25.79 60.57 4.14 0.00 -- 90.50

KARNATAKA 41.18 31.23 0.38 0.00 -- 72.79

KERALA 20.54 -- 0.68 0.01 -- 21.22

TAMILNADU 17.23 58.06 5.34 0.05 -- 80.68

PONDICHERRY -- -- 0.45 -- -- 0.45

CENTRAL SECTOR -- 158.59 3.12 -- 14.09 175.80

IPP 0.75 5.98 31.22 29.06 0.00 67.01

TOTAL 105.49 314.42 45.32 29.12 14.09 508.44

7.1 SUMMARY OF REGIONAL ENERGY GENERATION PER DAY OF SOUTHERN REGION DURING 2006-07

7 GENERATING STATIONS PERFORMANCE

44


ANDHRA PRADESH (Figures in Gross Mus.)

SL.NO. STATION EFFECTIVE CAPACITY (MW) Apr-06 May-06 Jun-06 Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Jan-07 Feb-07 Mar-07 TOTAL

HYDRO

1 MACHKUND 84 29.7 43.7 30.7 43.4 32.2 36.2 44.6 34.8 37.0 40.1 32.3 30.3 434.9

2 T.B.DAM 57.6 2.5 0.0 0.0 7.4 28.2 24.3 24.8 19.1 17.5 17.3 14.1 12.5 167.7

3 UPPER SILERU 240 45.4 12.5 29.3 42.9 3.5 71.6 65.4 41.1 14.6 43.2 45.5 82.0 496.7

4 DONKARAYI 25 15.6 36.6 4.8 5.4 46.9 8.9 14.3 11.5 53.1 14.3 8.4 14.2 233.9

5 LOWER SILERU 460 127.2 122.8 113.3 94.8 84.5 92.7 123.2 102.2 123.1 122.2 107.5 131.3 1344.8

6 SRISAILAM RBPH 770 80.8 16.3 57.0 215.6 442.0 280.6 265.3 105.9 87.7 24.7 44.4 139.0 1759.3

7 SRISAILAM LBPH 900 214.3 33.8 44.6 276.1 551.8 423.3 392.6 138.8 115.1 65.0 98.0 174.1 2527.5

8 N'SAGAR 815.6 7.0 0.0 25.7 195.7 537.9 361.6 407.5 25.7 43.0 91.6 66.7 69.4 1831.7

9 NSR RT.CANAL.P.H 90 11.9 0.0 0.0 2.6 27.8 48.0 52.5 43.0 39.4 28.1 15.2 1.8 270.3

10 NSR LT.CANAL.P.H 60 2.9 0.0 0.0 3.0 41.7 30.3 31.4 25.9 19.4 10.7 3.0 0.0 168.4

11 NIZAMSAGAR 10 2.6 0.0 0.0 0.0 2.3 3.2 3.3 1.0 3.4 3.5 3.0 4.3 26.5

12 MINI HYDEL 12.16 0.9 0.5 0.5 0.3 19.9 0.3 0.6 0.3 0.3 0.3 1.0 0.5 25.3

13 POCHAMPAD 27 3.8 0.0 0.0 0.0 18.6 18.8 18.2 6.5 7.4 11.3 10.1 8.3 103.0

14 PENNA AHOBILAM 20 0.0 0.0 0.0 0.0 3.7 2.6 1.8 3.4 0.0 0.0 1.0 0.8 13.2

15 SINGUR 15 0.4 0.1 0.1 0.1 0.5 1.2 4.0 0.0 0.0 0.9 0.0 2.8 10.2

TOTAL 3586.36 545.0 266.3 305.9 887.3 1841.5 1403.5 1449.4 559.1 560.9 473.2 450.2 671.0 9413.3THERMAL

COAL

1 RAMAGUNDAM-B 62.5 39.2 43.7 35.3 40.4 36.2 22.6 0.0 0.0 0.0 25.4 42.9 48.2 333.8

2 KOTHAGUDEM-A 240 161.0 161.9 160.1 158.7 128.6 106.8 71.9 121.3 144.8 164.5 150.6 171.8 1701.8

3 KOTHAGUDEM-B 240 151.8 151.7 139.6 140.5 117.5 127.6 81.7 93.3 154.1 152.4 137.4 155.1 1602.7

4 KOTHAGUDEM-C 240 155.0 130.8 124.8 153.3 73.3 135.5 165.9 153.8 60.9 83.9 89.0 165.8 1492.0

5 KOTHAGUDEM-D 500 360.7 371.4 363.4 365.1 256.4 319.0 227.3 182.9 180.3 360.2 334.1 375.0 3695.8

6 VIJAYAWADA 1260 868.6 774.2 870.6 858.7 597.2 695.2 834.7 816.1 947.3 930.6 846.2 948.9 9988.3

7 RAYALASEEMA 630 228.1 286.9 273.1 281.5 188.0 222.0 277.4 302.8 318.4 308.2 286.8 319.7 3292.9

TOTAL 3172.5 1964.4 1920.6 1967.0 1998.1 1397.2 1628.7 1658.8 1670.2 1805.8 2025.1 1886.9 2184.4 22107.3GAS/NAPTHA/DIESEL

1 VIJJESWARAM (GAS) 100 31.0 31.5 30.6 33.4 35.6 31.1 12.0 4.8 0.0 0.0 24.0 32.5 266.5

2 VIJJESWARAM (GAS) 172 114.1 103.5 95.1 102.3 101.4 99.4 107.9 110.2 114.3 110.5 83.0 104.2 1245.8TOTAL 272 145.1 135.0 125.6 135.7 137.0 130.5 119.9 115.0 114.3 110.5 107.0 136.6 1512.2

7.2 PERFORMANCE OF POWER STATIONS DURING THE YEAR 2006-07

45


ANDHRA PRADESH (Figures in Gross Mus.)


WIND MILL

1 WIND 2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0TOTAL 2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

IPPHYDRO

1 MINI HYDRO 91.4 13.0 2.0 0.0 0.0 0.0 28.5 25.0 22.0 25.0 23.8 21.0 22.2 182.5COAL

2 MINI POWER PLANTS 73.51 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0GAS/NAPTHA/DIESEL

3 LANCO (GAS) 355 215.3 171.3 131.8 166.9 120.3 60.5 84.6 90.4 128.3 178.7 151.0 189.6 1688.7

4 JEGURUPADU (GAS) 216 131.7 104.8 95.7 98.2 78.9 84.9 86.9 78.3 83.9 81.8 87.0 115.4 1127.4

5 SPECTRUM (GAS) 207.88 66.9 93.7 93.2 99.2 87.2 65.9 85.6 80.6 83.9 82.5 88.0 117.6 1044.4

6 ISOLATED GAS WELL (GAS) 27.04 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

7 GVK EXTENSION (GAS) 220 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

8 RELIANCE ENERGY LTD. (GAS) 220 111.8 72.4 59.5 66.6 75.4 76.1 78.2 71.8 74.3 73.4 78.0 107.9 945.4

9 VEMAGIRI POWER GENERATION LTD. (GAS) 370 11.2 0.3 20.7 0.0 24.9 73.2 0.0 0.0 0.0 0.0 0.0 0.0 130.3WIND

10 WINDMILL 103.57 2.3 7.8 11.4 20.0 16.8 6.4 2.5 1.2 1.6 1.7 2.0 2.2 75.9OTHERS

11 COGENERATION (RCL) 41 23.5 28.6 31.1 31.7 31.3 31.4 32.5 30.7 33.6 30.5 28.0 33.9 366.9

12 BAGASSE 183.2

13 BIOMASS 213.05

14 WASTED BASED PP 21.1TOTAL 2342.75 640.2 536.8 503.6 544.5 470.9 547.9 451.2 407.4 504.3 625.9 586.0 819.2 6637.9

TOTAL AP 9375.61 3294.7 2858.7 2902.2 3565.7 3846.6 3710.5 3679.4 2751.7 2985.2 3234.7 3030.1 3811.3 39670.7

KARNATAKA

HYDRO

1 SHARAVATHI 1035 570.2 367.7 300.1 320.9 520.0 503.9 526.9 385.0 534.6 509.4 501.5 613.5 5653.6

2 LINGANAMAKKI.P.H. 55 25.0 13.1 8.8 12.7 33.5 36.2 38.5 26.8 37.2 33.3 30.3 29.7 325.1

3 JOG 120 22.4 12.0 5.6 26.4 30.7 24.9 23.4 20.5 19.1 25.0 24.1 27.7 261.9

4 NAGJHERI 855 426.5 258.6 233.3 185.1 311.2 303.5 404.0 297.7 389.9 339.6 380.8 449.3 3979.6

5 SUPA 100 69.1 44.8 36.6 19.8 32.2 52.9 54.1 53.7 73.1 68.9 66.4 46.3 617.9

6 VARAHI 230 91.6 63.2 69.4 105.1 163.2 106.8 124.7 61.0 98.4 89.1 77.8 111.5 1161.7

1076.573.7 153.4 131.0 230.436.1 121.0 55.9 32.464.5 55.9 60.2 62.0

46


KARNATAKA (Figures in Gross Mus.)


HYDRO

7 BHADRA POWER HOUSE 39.2 5.5 0.1 0.0 4.1 16.4 14.8 11.4 5.3 0.0 12.5 10.6 7.6 88.4

8 SIVANSAMUDRAM 42 24.8 22.6 28.0 30.2 29.5 30.2 31.9 30.6 31.6 22.5 16.6 19.8 318.4

9 SHIMSHA 17.2 3.8 4.4 4.6 7.2 9.6 9.7 11.1 9.6 9.2 3.9 3.1 4.0 80.2

10 MUNIRABAD 27 0.0 0.0 0.0 5.2 21.4 15.7 13.4 6.8 7.8 8.6 5.4 1.4 85.8

11 T.B.DAM SHARE (20 %) 14.4 0.5 0.0 0.0 3.2 8.5 6.6 6.1 4.4 4.1 4.0 3.2 3.0 43.6

12 GHATAPRABHA 32 1.5 1.5 0.0 3.2 22.4 14.0 14.9 15.9 16.1 14.3 8.7 0.1 112.6

13 MANI DAM.P.H. 9 2.6 1.1 1.1 0.0 2.2 3.7 4.7 2.0 4.9 4.0 3.4 3.9 33.6

14 MINI HYDRO 4.45 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

15 MALLAPUR 9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

16 KODASALLI 120 37.9 26.1 33.5 49.3 70.2 39.4 47.7 29.9 43.3 34.5 35.0 43.4 490.2

17 SHARAVATHI TAIL RACE 240 53.7 37.5 33.5 51.6 93.4 59.6 53.3 40.1 52.4 51.5 48.1 56.9 631.5

18 KADRA 150 32.1 20.6 40.6 77.6 97.3 43.3 47.8 20.3 40.3 28.9 27.2 40.9 516.9

19 ALMATTI 290 2.9 0.1 8.6 172.0 151.1 103.7 65.1 28.5 30.9 32.3 22.4 13.0 630.5

TOTAL 3389.25 1370.1 873.4 803.8 1073.6 1612.8 1368.9 1479.0 1038.0 1392.7 1282.3 1264.6 1472.2 15031.4THERMAL

COAL

1 RAICHUR.T.PS. 1470 970.4 1081.2 942.5 902.2 576.6 862.3 960.6 1024.9 1025.5 1099.7 937.4 1014.0 11397.3TOTAL 1470 970.4 1081.2 942.5 902.2 576.6 862.3 960.6 1024.9 1025.5 1099.7 937.4 1014.0 11397.3

GAS/DIESEL/NAPTHA

1 YELEHANKA (DIESEL) 127.8 24.9 16.7 5.0 0.0 0.0 0.0 0.0 0.0 0.0 31.8 23.5 37.8 139.6TOTAL 127.8 24.9 16.7 5.0 0.0 0.0 0.0 0.0 0.0 0.0 31.8 23.5 37.8 139.6

WIND

1 KAPPATAGUDDA 4.55 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0TOTAL 4.55 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

IPPHYDRO

1 MINI HYDEL 156.93 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0GAS/NAPTHA/DIESEL

2 TANIR BHAVI (NAPTHA) 220 119.0 19.4 0.0 0.0 0.0 0.0 0.0 0.0 7.1 98.4 122.6 137.0 503.6

3 JINDAL (COREX GAS) 100 153.6 152.6 72.2 116.1 77.5 119.3 140.4 132.4 144.1 141.4 115.4 138.2 1503.3

47


KARNATAKA (Figures in Gross Mus.)


GAS/DIESEL/NAPTHA

4 TATA ELECTRIC (DIESEL) 79.1 42.6 11.3 0.0 0.0 0.0 1.8 0.0 0.0 3.2 41.6 38.7 46.9 186.1

5 RAYAL SEEMA ALKALIES (DIESEL) 27.8 12.9 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.6 10.7 16.5 18.6 60.5

6 ITPL (DIESEL) 9WIND

7 WIND MILL 413.24OTHERS

8 CO-GENERATION 241.559 BIO-MASS 66.38

TOTAL 1314 556.3 408.4 320.2 447.1 436.5 321.1 377.4 372.4 399.0 540.1 517.3 540.7 5236.5TOTAL KAR 6305.6 2921.7 2379.7 2071.5 2422.8 2625.9 2552.2 2817.1 2435.3 2817.2 2953.8 2742.8 3064.7 31804.8

KERALAHYDRO

1 KUTTIADI + KUTTIADI EXTENTION 125 1.9 4.6 69.7 87.2 86.5 82.0 78.3 55.0 50.4 38.7 44.1 47.0 645.42 SHOLAYAR 54 27.5 21.0 11.2 3.7 10.7 30.3 19.0 22.4 36.2 20.8 33.5 29.5 265.83 PORINGALKUTHU 32 9.3 11.1 20.4 24.8 24.7 22.9 18.2 16.5 11.7 9.5 7.5 7.9 184.54 PALLIVASAL 37.5 17.4 19.5 19.1 21.5 22.5 21.9 22.6 21.9 22.0 20.0 12.4 20.9 241.65 SENGULAM 48 10.5 12.4 15.1 19.6 19.8 18.5 19.1 18.0 15.7 10.6 6.3 10.6 176.36 PANNIAR 30 10.2 9.0 10.4 17.2 11.6 18.9 23.2 22.2 21.1 7.6 1.4 15.3 168.27 NERIAMANGALAM 50.5 16.6 17.2 24.1 25.8 25.3 29.4 39.0 37.5 32.5 7.7 1.0 21.4 277.58 SABARIGIRI 310 137.4 136.3 163.8 133.2 98.4 74.1 112.4 166.6 151.0 137.5 97.9 147.9 1556.49 IDUKKI 780 402.4 317.5 198.7 131.2 119.5 98.6 118.0 87.3 161.1 256.4 243.3 303.0 2437.010 IDAMALAYAR 75 38.3 30.1 26.7 20.7 10.2 23.2 41.2 26.7 52.2 40.5 39.3 37.6 386.711 KALLADA 15 8.5 3.2 1.8 5.1 5.4 5.7 7.3 10.3 8.9 4.3 6.9 8.8 76.112 MADUPETTY 2 0.3 0.7 0.8 1.1 0.7 1.5 1.5 2.6 1.2 1.1 0.6 1.1 13.213 PEPPARA 3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.014 L.PERIYAR 180 18.4 29.0 55.0 114.2 86.0 85.1 92.6 82.0 38.4 18.4 5.3 20.7 645.015 MALAMPUZHA 2.5 0.0 0.0 0.0 0.0 0.0 0.7 0.2 0.8 0.3 0.0 0.0 0.0 2.116 POR.L.BANK 16 5.2 2.9 11.0 11.8 11.8 11.3 11.3 10.9 9.8 6.6 6.7 8.6 107.817 KAKKAD 50 20.6 20.8 24.7 24.4 18.8 15.2 20.4 24.2 21.9 20.5 15.8 21.2 248.518 CHEMBUKADAVU 6.45 0.0 0.0 2.1 3.3 2.6 2.4 1.1 0.6 0.0 0.0 0.0 0.0 12.119 URUMI 6.15 0.0 0.2 2.4 3.8 2.8 2.5 1.8 1.1 0.0 0.0 0.0 0.0 14.520 MALANKARA 10.5 2.1 2.0 1.8 2.1 2.6 2.7 3.0 2.4 2.3 3.8 3.5 4.0 32.221 LOWER MEENMUTTY 1.5 0.0 0.2 0.5 0.9 0.7 0.8 1.0 0.9 0.4 0.1 0.0 0.1 5.6

TOTAL 1835.1 726.6 637.7 659.3 651.5 560.6 547.7 631.0 610.1 637.3 603.9 525.4 705.5 7496.7

GAS/DIESEL/NAPTHA

1 BRAHMAPURAM DGPP (DIESEL) 106.6 12.2 5.5 2.9 2.4 1.3 4.1 8.3 3.5 7.9 12.4 12.1 12.8 85.4

2 KOZHIKODE DPP (DIESEL) 128 18.2 10.1 3.3 2.2 2.9 5.1 11.5 8.3 11.9 25.8 25.7 36.6 161.6TOTAL 234.6 30.4 15.6 6.1 4.6 4.2 9.2 19.7 11.9 19.8 38.2 37.9 49.4 247.0

228.2 223.9 248.0 331.0 359.0 200.0 237.0 240.0 244.0 248.0 224.0 200.0 2983.1

48


KERALA (Figures in Gross Mus.)


WIND

1 WIND MILL 2.025 0.2 0.3 0.2 0.3 0.2 0.2 0.1 0.1 0.2 0.2 0.1 0.1 2.2TOTAL 2.025 0.2 0.3 0.2 0.3 0.2 0.2 0.1 0.1 0.2 0.2 0.1 0.1 2.2

IPPHYDRO

1 MANIYAR 12 2.5 3.4 5.2 6.1 4.1 3.7 4.7 5.1 3.3 2.1 0.8 2.0 43.0

2 KUTHUNGAL 21 5.1 6.2 1.5 2.7 2.5 4.4 6.4 7.8 5.9 5.0 0.0 0.0 47.6GAS/NAPTHA/DIESEL

3 BSES (NAPTHA) 157 47.0 25.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 53.8 56.4 182.7

4 KASARGODE (DIESEL) 21.93 2.0 1.8 0.0 0.0 0.0 0.0 0.7 1.3 1.1 1.7 5.9 9.8 24.3TOTAL 211.93 56.6 36.9 6.7 8.8 6.6 8.1 11.8 14.2 10.3 8.9 60.5 68.3 297.7

TOTAL KER 2283.655 813.8 690.5 672.3 665.2 571.6 565.1 662.7 636.3 667.6 651.3 623.9 823.3 8043.6

TAMILNADUHYDRO


1 PYKARA 59 9.5 7.4 14.0 25.4 20.4 18.5 15.1 13.7 13.6 13.0 9.5 10.7 170.7

2 PYKARA MICRO 2 0.6 0.3 0.4 0.6 1.0 1.3 1.3 0.7 0.9 1.0 0.7 1.0 9.7

3 PYKARA ULTIMATE 150 38.6 23.8 25.8 1.9 23.4 31.1 38.1 16.7 15.6 16.9 17.6 31.4 281.0

4 MOYAR 36 17.6 11.2 15.1 12.3 17.4 19.4 20.0 12.1 11.6 11.3 10.1 15.5 173.6

5 MARAVAKANDI 0.7 0.1 0.1 0.2 0.1 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 1.5

6 KUNDAH-I 60 31.0 31.9 35.3 39.2 35.5 26.5 19.4 17.3 23.9 22.6 27.1 33.7 343.3

7 KUNDAH-II 175 70.5 75.3 85.4 100.4 83.7 65.4 55.0 58.6 60.1 53.1 62.4 76.2 846.1

8 KUNDAH-III 180 42.1 44.4 50.3 59.2 49.3 38.6 37.5 46.3 39.0 33.7 35.9 45.2 521.5

9 KUNDAH-IV 100 5.5 12.9 27.3 37.6 22.0 23.9 20.8 25.4 10.8 6.8 4.6 7.5 205.2

10 KUNDAH-V 40 8.3 4.6 2.5 11.1 6.9 6.8 7.7 2.5 3.3 3.9 4.7 9.6 71.9

11 KUNDAH-VI 30 10.5 6.6 1.3 11.2 10.6 4.6 2.9 1.2 1.7 2.6 1.7 4.5 59.5

12 SURULIYAR 35 5.3 7.0 0.0 7.1 8.4 11.5 16.7 24.6 13.1 4.2 3.9 6.7 108.5

13 KADAMPARAI 400 12.4 30.2 49.9 60.4 60.1 44.2 45.4 59.1 30.8 14.4 11.6 9.6 427.9

14 ALIYAR 60 2.1 1.4 17.0 38.9 26.1 24.4 19.3 13.2 14.3 4.6 3.8 10.4 175.5

15 POONACHI 2 0.0 0.1 0.4 0.8 0.5 0.0 0.0 0.0 0.2 0.1 0.0 0.0 2.2

16 METTUR DAM 40 0.4 16.2 7.6 8.3 13.5 16.3 10.7 0.7 10.9 6.7 0.0 0.0 91.4

17 METTUR TUNNEL 200 14.4 0.0 61.4 132.5 140.5 104.4 58.0 3.0 75.7 47.1 8.3 10.2 655.5

18 LOWER METTUR 120 7.9 7.0 41.4 72.8 68.1 65.0 40.8 4.3 54.8 41.5 6.5 6.8 416.9

19 BHAVANISAGAR 8 3.7 3.5 5.3 5.9 4.9 10.1 8.2 8.2 10.0 7.4 6.8 3.5 77.4

20 PERIYAR 140 11.9 3.7 46.7 59.4 55.3 59.5 66.2 58.2 80.7 58.8 14.2 0.0 514.6

49


TAMILNADUHYDRO (Figures in Gross Mus.)


21 VAIGAI 6 0.0 0.3 2.9 1.9 1.6 1.4 1.3 4.3 4.1 1.9 0.4 0.0 20.2

22 PAPANASAM 28 12.1 8.0 14.3 18.4 12.6 9.6 5.9 16.5 14.8 17.0 11.8 4.2 145.3

23 SERVALAR 20 4.0 2.2 2.5 4.1 1.1 0.8 1.4 7.8 6.6 6.5 3.5 1.2 41.6

24 SARKARAPATHY 30 16.2 2.0 7.1 0.0 14.3 16.2 18.2 12.8 14.9 17.5 14.3 16.7 150.3

25 SHOLAYAR 95 6.1 0.5 48.0 51.4 59.2 54.3 40.8 27.9 58.8 19.9 4.3 4.9 376.0

26 LOWER BHAVANI 8 1.9 0.0 0.0 3.2 3.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 8.4

27 KODAYAR 100 27.2 29.0 26.5 28.0 11.0 25.4 28.9 36.6 39.7 22.3 19.1 20.4 314.1

28 SATHANUR DAM PH 7.5 3.4 1.7 1.7 1.7 0.0 0.0 0.0 0.0 0.0 0.0 1.7 0.7 10.9

29 MICRO TOTAL 5.15 0.7 0.7 0.3 0.0 12.2 0.4 2.0 0.2 0.3 0.0 0.1 0.1 17.1

30 BHAVANI KATTALAI BARRAGE - I 30 0.0 0.0 0.0 0.0 0.0 8.7 11.5 6.1 14.3 10.6 0.5 0.2 52.0TOTAL 2167.35 364.1 332.0 590.3 793.8 762.8 688.7 593.2 478.2 624.5 445.4 285.6 331.4 6289.9

THERMALCOAL

1 ENNORE.T.P.S 450 56.9 95.6 123.9 118.3 123.2 108.6 133.1 147.1 153.1 147.4 93.1 127.7 1428.0

2 TUTUCORIN.T.P.S 1050 711.4 729.1 735.4 619.9 619.6 633.6 661.8 608.4 630.6 683.5 685.3 764.9 8083.3

3 METTUR.T.P.S 840 589.2 612.7 581.0 526.1 546.5 551.8 541.1 510.3 574.9 602.3 563.8 613.1 6812.9

4 NORTH MADRAS.T.P.S 630 451.1 439.4 374.8 425.3 414.8 298.1 349.3 373.9 406.5 472.6 393.1 468.9 4867.7TOTAL 2970 1808.6 1876.8 1815.1 1689.6 1704.1 1592.1 1685.2 1639.7 1765.1 1905.6 1735.4 1974.6 21191.9

GAS/NAPTHA/DIESEL

1 BASIN BRIDGE (NAPTHA) 120 1.9 3.1 0.5 0.0 0.0 0.1 1.1 0.8 4.4 6.6 8.6 29.4 56.5

2 KOVIL KALAPPAL (GAS) 107.88 59.2 66.6 63.2 56.1 54.8 56.0 32.9 67.2 65.6 64.7 53.0 65.1 704.3

3 VALATHUR (GAS) 94 61.5 63.6 63.1 65.9 68.4 61.6 62.6 54.8 63.6 56.0 54.5 51.9 727.5

4 KUTTALAM (GAS) 101 55.2 60.0 59.5 62.7 41.3 11.5 58.0 67.2 43.7 0.0 0.0 0.0 459.1

TOTAL 422.88 177.8 193.3 186.3 184.7 164.5 129.3 154.7 189.9 177.4 127.3 116.0 146.4 1947.5WIND

1 TNEB WIND MILL 19.355 0.3 1.8 3.2 3.6 3.2 1.9 1.9 0.1 0.4 0.6 0.5 0.1 17.6

TOTAL 19.355 0.3 1.8 3.2 3.6 3.2 1.9 1.9 0.1 0.4 0.6 0.5 0.1 17.6IPPCOAL

1 TCPL 63.5 40.9 41.2 40.2 41.1 42.2 41.5 42.9 35.5 33.4 43.5 38.9 43.0 484.3LIGNITE

2 ST - CMS 250 165.7 159.3 126.6 136.7 138.8 140.0 91.5 127.7 155.0 141.3 142.2 172.0 1696.9GAS/NAPTHA/DIESEL

3 P P NALLUR (NAPTHA) 330.5 153.9 39.5 39.5 26.7 0.0 0.0 72.7 67.9 153.0 193.9 175.4 201.6 1124.1

4 ABAN POWER (GAS) 113.21 46.3 61.2 74.0 74.7 81.3 73.3 79.1 58.1 44.0 78.9 68.6 77.4 816.8

5 HI-TECH (GAS) 15 7.1 7.2 7.7 6.6 6.9 6.9 6.7 8.8 6.0 7.2 6.4 7.1 84.6

50


TAMILNADUIPPGAS/NAPTHA/DIESEL (Figures in Gross Mus.)


6 MADURAI POWER CL (DIESEL) 106 43.3 27.1 23.2 19.0 11.2 11.2 24.2 17.6 41.2 44.3 43.0 64.1 369.4

7 SAMALPATTY (DIESEL) 105 44.8 26.6 23.6 19.5 11.4 11.4 26.4 19.4 41.5 43.3 44.3 66.4 378.6

8 ARKEY ENERGY (GAS) 52.8 18.2 23.6 12.7 32.5 31.0 32.7 33.6 29.9 34.5 34.5 30.9 32.1 346.2

9 GMR POWER (DIESEL) 196 88.0 81.3 67.2 57.2 42.4 43.3 62.0 49.6 84.2 88.2 90.7 126.4 880.6WIND/OTHERS

10 WIND 2878.425 124.7 319.8 754.2 778.2 939.4 624.5 680.6 126.1 171.4 276.0 300.7 161.4 5257.0

11 CO-GENERATION 314.6 62.0 58.0 46.0 56.0 100.0 125.0 125.0 62.0 40.0 55.0 60.0 60.0 849.0

12 BIO-MASS 40.35 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

TOTAL 4465.385 794.9 844.8 1214.9 1248.2 1404.6 1109.9 1244.8 602.7 804.2 1006.0 1001.0 1011.5 12287.6

TOTAL TN 10044.97 3145.7 3248.7 3809.8 3919.9 4039.2 3521.9 3679.8 2910.7 3371.5 3485.0 3138.5 3463.9 41734.4

PONDICHERRYGAS/NAPTHA/DIESEL

1 KARIAKAL POWER PLANT (GAS) 32.5 0.0 0.0 0.0 23.8 24.1 23.2 22.3 0.0 24.2 23.9 13.6 7.9 163.0TOTAL 32.5 0.0 0.0 0.0 23.8 24.1 23.2 22.3 0.0 24.2 23.9 13.6 7.9 163.0

TOTAL PONDY 32.5 0.0 0.0 0.0 23.8 24.1 23.2 22.3 0.0 24.2 23.9 13.6 7.9 163.0

CENTRAL SECTORTHERMAL

COAL

1 RAMAGUNDAM T.P.S (ISGS) - NTPC 2600 1835.3 1906.6 1543.7 1464.4 1421.7 1447.2 1592.0 1846.9 1880.0 1764.9 1606.6 1938.6 20247.8

2 TALCHER STAGE II (ISGS) - NTPC 2000 1374.1 1303.3 1183.2 1466.3 1439.2 1379.2 1382.4 852.1 754.5 840.8 815.0 1285.3 14075.4

3 SIMHADRI (AP) - NTPC 1000 675.0 670.5 653.5 513.0 591.7 370.2 850.7 688.4 699.1 702.5 640.0 715.2 7769.8

LIGNITE

4 NEYVELI-I (TN) - NLC 600 353.7 319.1 356.3 316.7 314.6 367.0 301.8 248.9 286.1 389.5 354.7 380.5 3989.0

5 NEYVELI-II (ISGS) - NLC 1470 613.5 717.0 784.2 769.1 660.8 591.4 428.1 486.9 612.2 897.7 929.5 1047.3 8537.8

6 NEYVELI TPS-I (Expansion) (ISGS) - NLC 420 206.0 281.9 285.1 263.6 286.3 291.4 202.8 299.2 299.7 288.8 281.1 279.8 3265.7TOTAL 8090 5057.6 5198.4 4806.0 4793.1 4714.3 4446.3 4757.8 4422.4 4531.7 4884.2 4626.8 5646.7 57885.3

GAS/NAPTHA/DIESEL

4 RGCCPP,KAYAMKULAM (KSEB) - NTPC 359.58 173.9 76.7 67.1 10.1 0.1 0.6 0.1 111.9 92.1 195.2 190.0 219.4 1137.2TOTAL 359.58 173.9 76.7 67.1 10.1 0.1 0.6 0.1 111.9 92.1 195.2 190.0 219.4 1137.2

NUCLEAR

1 M.A.P.S KALPAKAM (ISGS) - NPC 440 248.5 265.9 163.6 181.7 232.5 226.4 230.3 224.1 192.9 223.9 209.6 219.0 2618.3

2 KAIGA A.P.S (ISGS) - NPC 440 206.2 231.1 223.5 168.3 161.1 223.6 231.0 188.3 231.4 232.2 209.0 219.0 2524.7TOTAL 880 454.7 497.0 387.1 350.0 393.6 450.0 461.3 412.3 424.3 456.1 418.6 438.0 5143.0

TOTAL C.S 9329.58 5686.2 5772.1 5260.2 5153.2 5108.0 4897.0 5219.1 4946.6 5048.1 5535.5 5235.4 6304.2 64165.5GRAND TOTAL 37371.915 15862.1 14949.7 14715.9 15750.6 16215.4 15269.9 16080.3 13680.7 14913.9 15884.1 14784.2 17475.4 185582.1

51


MONTHS Apr-06 May-06 Jun-06 Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Jan-07 Feb-07 Mar-07 AVERAGE

ANDHRA PRADESH

VIJAYAWADA TS 95.75 82.59 95.97 91.60 63.71 76.63 89.04 89.96 101.05 99.27 99.94 101.22 90.49

KOTHAGUDAM TS 94.32 89.88 89.70 90.07 63.44 78.43 60.24 62.76 59.50 83.83 86.72 95.60 79.46

RAYALASEEMA TPS 75.43 91.81 90.32 90.09 60.16 73.42 88.76 100.14 101.90 98.64 101.62 102.30 89.50

KARNATAKARAICHUR TPS 91.69 98.86 89.05 82.49 52.72 81.47 87.83 96.84 93.77 100.55 94.90 92.72 88.51

TAMIL NADUENNORE TS 17.56 28.55 38.24 35.33 36.80 33.52 39.74 45.41 45.73 44.02 30.79 38.14 36.22

NORTH CHENNAI TPS 99.45 93.74 82.63 90.74 88.50 65.72 74.52 82.43 86.72 100.82 92.85 100.04 88.20

METTUR TPS 97.42 98.04 96.07 84.18 87.45 91.23 86.58 84.38 92.00 96.37 99.89 98.11 92.59

TUTUCORIN TPS 94.10 93.33 97.27 79.35 79.31 83.81 84.72 80.47 80.72 87.49 97.13 97.91 87.88

NTPCRAMAGUNDAM STPS 98.04 98.56 82.46 75.70 73.50 77.31 82.30 98.66 97.19 91.24 91.95 100.22 88.90

SIMHADRI STPS 93.75 90.12 90.76 68.95 79.53 51.41 114.34 95.61 93.97 94.43 95.24 96.13 88.70

NLCNEYVELI - II 57.96 65.56 74.09 70.32 60.42 55.88 39.14 46.00 55.98 82.08 94.09 95.76 66.30

NEYVELI TPS I (Exp) 68.12 90.21 94.28 84.36 91.62 96.37 64.90 98.95 95.91 92.41 99.58 89.55 88.76

NEYVELI - I 81.88 71.48 82.48 70.95 70.47 84.96 67.61 57.62 64.09 87.26 87.97 85.24 75.89

NPCMADRAS APS 78.44 81.23 51.64 55.50 71.02 71.45 70.35 70.73 58.93 68.38 70.88 66.90 67.93

KAIGA GS 65.09 70.60 70.55 51.41 49.21 70.60 70.55 59.43 70.70 70.94 70.69 66.90 65.50

7.3 MONTH-WISE PLANT LOAD FACTOR (%) OF MAJOR THERMAL UNITS DURING 2006 - 07

52


DC SCHEDULE ACTUAL INJECTION DC SCHEDULE ACTUAL

INJECTION DC SCHEDULE ACTUAL INJECTION DC SCHEDULE ACTUAL

INJECTIONApr-06 45.51 45.51 45.96 11.43 11.43 11.54 44.06 43.27 43.56 6.75 6.75 6.80May-06 46.12 45.85 46.44 11.28 11.19 11.32 39.82 39.75 39.97 9.62 9.58 9.67Jun-06 46.56 45.50 46.65 1.54 1.32 1.36 37.31 37.18 37.41 11.03 10.76 11.02Jul-06 44.16 42.70 43.66 0.47 0.34 0.35 44.79 44.77 45.05 8.28 8.12 8.16Aug-06 42.44 36.23 37.30 5.90 5.20 5.28 45.10 43.62 44.13 6.45 5.90 5.90Sep-06 37.44 33.79 34.71 11.40 10.06 10.26 44.07 43.34 43.93 3.73 3.59 3.57Oct-06 37.01 36.35 36.69 11.39 11.13 11.24 44.24 44.16 44.59 1.73 1.73 1.72Nov-06 46.12 46.07 46.52 11.24 11.23 11.34 44.76 44.76 45.15 3.51 3.51 3.54Dec-06 45.22 45.22 45.64 11.38 11.38 11.48 39.59 39.59 39.93 3.51 3.51 3.53Jan-07 42.88 42.88 43.24 10.36 10.38 10.42 41.71 41.71 41.98 8.59 8.59 8.66Feb-07 42.59 42.59 42.86 11.21 11.21 11.28 45.63 45.13 45.38 11.24 11.24 11.33Mar-07 47.20 47.19 47.50 11.43 11.43 11.52 39.37 39.34 39.61 12.17 12.17 12.28TOTAL 523.26 509.90 517.19 109.03 106.31 107.40 510.44 506.63 510.70 86.59 85.43 86.18

DC SCHEDULE ACTUAL INJECTION DC SCHEDULE ACTUAL

INJECTION DC SCHEDULE ACTUAL INJECTION DC SCHEDULE ACTUAL

INJECTIONApr-06 10.07 10.07 10.16 6.17 6.17 6.23 7.18 7.18 7.21 5.95 5.95 6.03May-06 9.62 9.60 9.69 8.40 8.27 8.31 7.50 7.50 7.51 6.48 6.48 6.56Jun-06 11.06 10.81 11.07 8.89 8.64 8.69 4.52 4.52 4.56 6.48 6.48 6.54Jul-06 13.01 12.80 12.86 8.08 7.61 7.76 4.81 4.81 4.87 4.60 4.60 4.67Aug-06 13.03 11.86 11.82 9.14 8.35 8.44 6.37 6.37 6.37 4.41 4.41 4.39Sep-06 13.54 12.69 12.63 9.17 8.86 8.89 6.38 6.38 6.44 6.48 6.48 6.54Oct-06 9.29 9.19 9.17 6.02 5.88 5.95 6.36 6.36 6.37 6.48 6.48 6.55Nov-06 9.51 9.51 9.60 9.16 9.13 9.17 6.34 6.34 6.40 5.36 5.36 5.46Dec-06 12.58 12.58 12.69 8.83 8.83 8.87 5.17 5.17 5.27 6.43 6.43 6.55Jan-07 15.88 15.88 16.01 8.52 8.52 8.55 6.11 6.11 6.15 6.48 6.48 6.59Feb-07 17.10 17.10 17.25 9.19 9.19 9.23 6.37 6.37 6.38 6.48 6.48 6.59Mar-07 16.43 16.43 16.58 8.24 8.24 8.28 5.97 5.97 5.99 6.56 6.56 6.58TOTAL 151.13 148.54 149.53 99.81 97.68 98.38 73.08 73.08 73.53 72.18 72.18 73.06

KAIGA GSNEYVELI TPS I (Exp)

7.4 AVERAGE DAILY DECLARED CAPABILITY, DESPATCH SCHEDULE Vs ACTUAL INJECTION BY ISGS TO THE GRID (Mus)

MONTHS

MONTHS

NTPC, RAMAGUNDAM U # 7NTPC, RAMAGUNDAM U # 1 - 6 NTPC, TALCHER STAGE II NEYVELI TPS II STAGE I

NEYVELI TPS II STAGE II MADRAS APS

53


HYDRO THERMAL NUCLEAR OTHERSMW MW MW MW MW MW MW

1 4068 11155 443 4422 20089 2222 223112 3831 11184 445 4223 19683 2293 219763 3785 11286 445 4179 19695 2295 219904 4284 11437 444 3966 20131 2294 224255 5040 11700 446 3954 21140 2294 234346 5942 11773 443 3791 21949 2335 242847 4905 11832 443 3963 21142 2273 234158 4336 11754 446 3952 20487 2577 230649 3734 11749 446 3742 19671 2947 2261810 4362 11764 445 4146 20717 2891 2360811 4441 11591 447 4198 20677 2325 2300212 4821 11724 447 4208 21200 2293 2349313 4562 11757 446 5154 21920 2456 2437614 4499 11723 445 4153 20820 2690 2351015 4735 11828 447 4032 21041 2483 2352516 4756 11843 447 4072 21118 2387 2350517 4263 11911 445 4223 20841 2282 2312318 3425 11919 447 4783 20575 2433 2300819 5358 11973 446 4529 22305 2340 2464520 5866 11989 446 4140 22440 2163 2460321 5616 11961 447 4404 22428 2165 2459322 6016 11839 444 4509 22807 2232 2503923 5645 11458 446 4693 22242 2232 2447424 5039 11360 443 4456 21298 2167 23465

8 REGIONAL LOAD CURVE DATA

TOTAL DEMAND MET

8.1 HOURLY GENERATION/LOAD FOR THE REGIONAL PEAK DEMAND DAY DURING 2006-07

HOURS

GENERATION INTER REGIONAL EXCHNAGES

IMPORT(+)/EXPORT(-)TOTAL

(27th Mar 2007)

54


HYDRO THERMAL NUCLEAR OTHERSMW MW MW MW MW MW MW

1 1029 10185 650 1075 12940 1138 140772 977 9854 650 1220 12701 1139 138403 996 9955 650 1054 12655 1135 137904 1039 10068 645 1209 12961 1138 140985 1147 10391 643 1615 13796 1139 149356 1178 11242 649 1343 14412 1366 157787 1486 11286 649 1712 15133 1386 165198 1544 11335 650 1736 15265 1388 166539 2099 11232 654 2273 16258 1245 1750210 2365 11203 654 1888 16110 1245 1735511 2174 11130 652 1996 15952 1258 1721012 2274 11090 647 2501 16512 1156 1766813 2114 11195 647 2009 15965 1353 1731814 2249 11223 646 1856 15974 1253 1722715 2339 11125 642 2333 16439 1253 1769216 1991 11196 647 2147 15981 1278 1725917 1645 11062 651 2127 15485 1325 1681018 1576 11032 648 2490 15746 1393 1713919 3628 11218 642 2089 17577 1392 1896920 4285 11244 647 2585 18761 1406 2016721 3584 11224 652 2279 17739 1404 1914322 2160 11254 652 2555 16621 1283 1790423 1266 11201 649 2171 15287 1169 1645624 1245 10946 652 1415 14258 1136 15394

TOTAL DEMAND MET

8.2 HOURLY GENERATION/LOAD FOR THE REGIONAL LEAN DEMAND DAY DURING 2006-07

HOURS

GENERATION INTER REGIONAL EXCHNAGES

IMPORT(+)/EXPORT(-)TOTAL

(29th May 2006)

55


MAXIMUM MINIMUM AVERAGE < 48.5 HZ 48.5 TO 49.0 HZ

49.0 TO 49.2 HZ

49.2 TO 49.5 HZ

49.5 TO 50.0 HZ

50.0 TO 50.2 HZ

50.2 TO 50.5 HZ > 50.5 HZ

Apr-06 50.96 48.51 49.21 0.00 23.70 28.43 30.57 15.58 1.38 0.24 0.10 7.34 0.24

May-06 50.83 48.53 49.51 0.00 4.32 16.23 31.43 37.81 8.15 1.98 0.08 3.60 0.22

Jun-06 50.79 48.58 49.67 0.00 1.20 7.30 28.87 43.68 15.53 3.35 0.06 2.27 0.19

Jul-06 50.65 48.54 49.89 0.00 0.48 1.02 6.73 53.66 31.43 6.57 0.11 0.79 0.19

Aug-06 50.74 48.58 50.01 0.00 0.37 1.22 5.34 27.89 42.43 22.34 0.41 0.74 0.17

Sep-06 50.55 48.54 49.76 0.00 1.38 6.53 21.71 34.33 23.78 12.26 0.02 1.99 0.19

Oct-06 50.57 48.33 49.48 0.08 10.45 14.76 26.92 36.10 9.79 1.90 0.01 4.09 0.23

Nov-06 50.53 48.59 49.52 0.00 0.69 7.55 42.83 44.08 3.88 0.97 0.01 2.90 0.21

Dec-06 50.08 48.53 49.24 0.00 10.40 34.77 43.29 11.42 0.12 0.00 0.00 6.04 0.18

Jan-07 50.78 48.58 49.23 0.00 9.26 32.90 45.71 11.79 0.20 0.10 0.05 6.27 0.19

Feb-07 50.91 48.56 49.26 0.00 2.92 29.05 51.58 15.29 0.76 0.34 0.07 5.77 0.19

Mar-07 50.91 48.54 49.17 0.00 6.26 45.29 42.38 5.14 0.61 0.23 0.08 7.14 0.16

AVERAGE 49.50 0.01 5.95 18.75 31.45 28.06 11.50 4.19 0.08 4.08 0.20

Maximum frequency during the year = 50.96 Hz on 09.04.2006

Minimum frequency during the year = 48.33 Hz on 14.10.2006

Minimum FVI during the year = 0.15 on 23.07.2006

Maximum FVI during the year = 14.63 on 07.04.2006

Minimum St. Dev during the year = 0.11 on 06.08.2006

Maximum St. Dev during the year = 0.37 on 16.04.2006

9 FREQUENCY, VOLTAGE & RESERVOIR DATA

FREQUENCY (Hz) % OF TIME WHEN FREQUECY WAS BETWEEN

9.1 FREQUENCY PROFILE OF SOUTHERN REGION 2006 - 07

MONTH AVERAGE FVI

AVERAGE STD

DEVIATION

56


MAX MIN AVG DAILY MAX

AVG DAILY MIN MAX MIN AVG DAILY

MAXAVG DAILY

MIN MAX MIN AVG DAILY MAX

AVG DAILY MIN

Apr-06 414 398 409 403 425 395 417 406 427 389 417 400May-06 417 404 414 409 430 406 425 414 425 387 416 398Jun-06 418 406 415 409 431 415 429 418 426 397 420 402Jul-06 421 400 418 408 435 402 425 411 422 391 418 398Aug-06 422 402 417 408 429 401 423 408 423 390 416 399Sep-06 420 408 415 408 429 401 422 408 422 395 417 400Oct-06 417 402 412 407 425 401 419 406 424 395 418 401Nov-06 415 404 413 407 427 408 423 412 425 398 421 404Dec-06 415 405 413 407 423 407 420 411 419 397 417 403Jan-07 415 403 411 406 423 407 418 411 419 400 417 404Feb-07 413 398 409 402 419 398 416 405 419 382 416 398Mar-07 412 395 406 400 419 392 409 399 422 389 416 397

AVERAGE 413 406 420 409 417 400MAX/MIN 422 395 435 392 427 382

MAX MIN AVG DAILY MAX

AVG DAILY MIN MAX MIN AVG DAILY

MAXAVG DAILY

MIN MAX MIN AVG DAILY MAX

AVG DAILY MIN

Apr-06 419 376 409 386 419 384 413 393 414 380 407 392May-06 422 381 413 389 425 376 411 390 429 381 412 394Jun-06 426 388 417 392 422 392 417 397 424 384 415 396Jul-06 420 383 412 390 419 386 415 394 428 388 415 395Aug-06 415 380 410 388 421 390 416 398 420 387 413 394Sep-06 415 380 410 386 423 393 416 398 422 388 413 394Oct-06 418 379 410 388 425 393 418 401 418 385 411 394Nov-06 419 383 414 389 426 401 423 405 421 392 413 397Dec-06 414 382 410 386 420 397 418 403 414 384 407 391Jan-07 416 378 411 388 421 400 418 405 411 380 408 389Feb-07 413 362 409 381 420 383 415 397 409 376 405 386Mar-07 412 373 409 383 415 380 411 391 404 373 400 383

AVERAGE 411 387 416 398 410 392MAX/MIN 426 362 426 376 429 373

9.2 400kV VOLTAGE PROFILE OF IMPORTANT STATIONS : 2006-07

MONTHSRAMAGUNDAM HYDERABAD CUDDAPAH

MONTHSBANGALORE MADRAS TRISSUR

57


SRISAILAM N'SAGARLEVEL ENERGY INFLOW LEVEL LEVEL LEVEL ENERGY INFLOW LEVEL ENERGY INFLOW

Mts MU MU Mts Mts Mts MU MU Mts MU MUApr-06 831.01 257 38 246.25 166.60 540.91 1386 17 541.15 1416 0May-06 829.19 209 68 249.30 165.81 538.52 1067 83 537.15 1197 14Jun-06 827.65 175 47 249.60 166.30 541.02 1401 545 536.55 1165 173Jul-06 830.28 237 158 267.43 170.90 551.14 3543 2364 552.80 2200 1085Aug-06 836.83 466 385 268.71 179.74 554.25 4497 2176 563.80 3140 962Sep-06 837.59 503 129 269.75 179.83 554.36 4532 601 563.96 3156 248Oct-06 837.38 493 115 267.07 178.98 553.33 4197 233 561.38 2919 149Nov-06 837.19 483 75 266.06 175.87 552.39 3909 133 558.96 2706 58Dec-06 836.08 436 47 263.74 173.37 550.48 3360 65 554.83 2361 13Jan-07 834.42 381 63 262.92 167.27 548.48 2837 70 550.76 2045 0Feb-07 832.81 314 51 261.55 162.46 546.11 2308 48 545.81 1700 0Mar-07 830.95 255 41 253.78 160.32 542.73 1671 55 539.76 1339 0

Total Inflow in Mus 1217 6389 2703Full Reservoir Level in Mts 838.4 270.7 179.9 554.5 564Energy In Mus at FRL 495 4547 3152MDDL IN Mts 818.39 243.84 149.3 522.73 495

LEVEL ENERGY INFLOW LEVEL ENERGY INFLOW ENERGY INFLOWMts MU MU Mts MU MU MU MU

Apr-06 708.79 587 47 960.68 361 18 673 38May-06 704.77 394 187 953.44 257 53 632 221Jun-06 706.48 471 246 951.68 236 132 778 350Jul-06 714.60 902 556 964.95 436 325 1230 723Aug-06 718.97 1167 376 970.09 551 212 1276 305Sep-06 721.67 1352 293 973.56 643 171 1358 294Oct-06 724.28 1534 310 977.90 770 250 1345 195Nov-06 727.19 1758 295 979.90 840 221 1371 208Dec-06 725.67 1634 38 976.52 728 45 1267 62Jan-07 722.43 1405 40 972.10 603 18 1142 34Feb-07 719.04 1171 19 968.30 507 5 989 22Mar-07 714.40 893 24 961.27 371 18 776 21

Total Inflow in Mus 2431 1468 2473Full Reservoir Level in Mts 732.43 981.45Energy In Mus at FRL 2148 856 1504MDDL IN Mts 694.94 908.3

End Of The Month

9.3 MAJOR RESERVOIR PARTICULARS DURING 2006 - 07

End Of The Month

IDUKKI KAKKI NILIGIRIS

JALAPUT LINGANAMAKKI SUPA

58


MAXIMUM MINIMUM AVERAGE < 48.5 HZ 48.5 TO 49.0 HZ

49.0 TO 49.5 HZ

49.5 TO 50.0 HZ

50.0 TO 50.5 HZ > 50.5 HZ

2001 - 02 51.44 47.72 48.52 68.08 9.96 6.48 8.51 2.88 4.10 29.71

2002 - 03 51.37 47.69 48.95 39.31 10.17 14.48 23.93 10.10 2.01 18.86

2003 - 04 51.17 48.18 49.69 0.10 2.20 22.03 63.00 12.23 0.44 1.95

2004 - 05 50.90 48.62 49.85 0.00 0.13 8.49 63.81 27.40 0.17 0.83

2005 - 06 51.02 48.42 49.84 0.00 2.32 15.14 42.31 39.19 1.04 1.63

2006 - 07 50.96 48.33 49.50 0.01 5.95 50.20 28.06 15.70 0.08 4.08

9.4 FREQUENCY SPECTRUM OF SOUTHERN REGION FOR PAST SIX YEARS

MONTH AVERAGE FVI

FREQUENCY (Hz) % OF TIME WHEN FREQUECY WAS BETWEEN

59


AVG DAILY MAX

AVG DAILY MIN

AVG DAILY MAX

AVG DAILY MIN

AVG DAILY MAX

AVG DAILY MIN

AVG DAILY MAX

AVG DAILY MIN

AVG DAILY MAX

AVG DAILY MIN

AVG DAILY MAX

AVG DAILY MIN

AVG DAILY MAX

AVG DAILY MIN

2000 - 01 397 385 396 377 396 361 379 333 386 354 400 363 392 374

2001 - 02 405 394 409 388 404 366 396 345 399 369 406 369 400 382

2002 - 03 407 399 412 397 403 377 403 367 398 376 407 385 403 391

2003 - 04 409 402 411 397 415 398 405 385 417 403 412 400 414 406

2004 - 05 411 403 416 402 415 398 410 391 423 406 414 398 418 409

2005 - 06 414 405 424 411 421 401 411 388 423 402 414 394 419 409

2006 - 07 413 406 420 409 417 400 411 387 416 398 410 392 417 407

9.5 VOLTAGE PROFILE OF SOUTHERN REGION FOR PAST SEVEN YEARS

YEAR TRISSUR NEYVELI IIRAMAGUNDAM HYDERABAD CUDDAPHA BANGALORE MADRAS

60


10 MISCELLANEOUS

10.1 DEFENCE MECHANISMS IN SOUTHERN REGION

48.5Hz Inst. 48.2Hz Inst 48.0Hz Inst

ANDHRA PRADESH 516 409 975

453 - 857 369 - 841 332 - 732

Off peak -Peak Off peak -Peak Off peak -Peak

100 - 180 83 - 125 317 - 494

Off peak -Peak Off peak -Peak Off peak -Peak

TAMIL NADU 504 484 757

TOTAL 1573 -2057 1345 - 1859 2381 - 2958

FOR ALARM : 49.5Hz WITH RATE OF FALL OF 0.3HZ/Sec.FOR TRIP : 49.0Hz WITH RATE OF FALL OF 0.3HZ/Sec.Instantaneous

CONSTITUENT LOAD RELIEF (MW )

ANDHRA PRADESH 1472

485 - 1036Off peak -Peak

98 - 168Off peak -Peak

TAMIL NADU 509

KERALA

KERALA

I) PROVISION FOR UNDER FREQUENCY LOAD SHEDDING THROUGH FLAT UF RELAY

KARNATAKA

LOAD RELIEF IN MW AT CONSTITUENT

KARNATAKA

II) PROVISION FOR UNDER FREQUENCY LOAD SHEDDING THROUGH DF/DT UF RELAY

61


10.2 SHUNT CAPACITORS INSTALLED DURING 2006 - 07

CONSTITUENTS INSTALLED AS ON 31.03.2006

INSTALLED DURING 2006 - 07

CAPACITOR INSTALLED AS ON 31.03.2007

REQUIREMENT FOR 2006 - 07

SHORTFALL DURING 2006 - 07

APTRANSCO 6423.4 160 6583.4 150 -10

KPTCL 4137.5 174.85 4312.35 0 -174.85

KSEB 1005 0 1005 0 0

TNEB 3892.3 52.8 3945.1 0 -52.8

SOUTHERN REGION 15458.2 387.65 15845.85 150 -237.65

Note : Requirement for the year 2006-07 at rated voltage by System Study Sub-Committee.

62


GRAPH G1

63

SOURCE-WISE EFFECTIVE GENERATING CAPACITY OF SOUTHERN REGION AS ON 31-MAR-07

HYDRO30.1%

THERMAL43.0%

GAS/NAPTHA/DIESEL12.3%

NUCLEAR2.4%

WIND12.2%

SOURCE IN MW IN %HYDRO 11259 30.1

THERMAL 16090 43.0GAS/NAPTHA/DIESEL 4599 12.3

NUCLEAR 880 2.4WIND/OTHERS 4544 12.2

TOTAL 37372 100


GRAPH G2

64

AGENCY-WISE EFFECTIVE GENERATING CAPACITY OF SOUTHERN REGION AS ON 31-MAR-07

IPP22%

CENTRAL SECTOR25%

PONDY0.1%

TAMIL NADU15%

KERALA6%

KARNATAKA13%

ANDHRA PRADESH19%

AGENCY IN MW IN %ANDHRA PRADESH 7033 19

KARNATAKA 4992 13KERALA 2072 6

TAMILNADU 5580 15PONDICHERRY 33 0.1

CENTRAL SECTOR 9330 25IPP 8334 22

TOTAL 37372 100


GRAPH G3

65

SOURCE-WISE CONTRIBUTION TO ENERGY GENERATED DURING 2006-07

HYDRO21%

THERMAL62%

GAS/NAPTHA/DIESEL8%

NUCLEAR3%

WIND6%

SOURCE IN Mus IN %HYDRO 38504 21

THERMAL 114763 62GAS/NAPTHA/DIESEL 16544 8

NUCLEAR 5143 3WIND/OTHERS 10628 6

TOTAL 185582 100


GRAPH G4

66

SOURCE-WISE CONTRIBUTION(MW) TO REGIONAL PEAK MET DURING 2006-07(27TH MARCH 2007)

HYDRO24%

THERMAL47%

NUCLEAR2%

OTHERS18%

IMPORTS9%

SOURCE IN MW IN %HYDRO 6016 24

THERMAL 11839 47NUCLEAR 444 2OTHERS 4509 18IMPORTS 2231 9

TOTAL 25039 100


GRAPH G5

67

23.7

076

.20

0.10

4.32

95.6

0

0.08 1.

2098

.73

0.06 0.

4899

.40

0.11 0.

3799

.22

0.41 1.

3898

.61

0.02

10.5

389

.46

0.01 0.

6999

.30

0.01

10.4

089

.60

0.00

9.26

90.6

9

0.05 2.

9297

.01

0.07

6.26

93.6

6

0.08

0.00

10.00

20.00

30.00

40.00

50.00

60.00

70.00

80.00

90.00

100.00

IN %

--->

Apr-06 May-06 Jun-06 Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Jan-07 Feb-07 Mar-07MONTHS --->

FREQUENCY SPECTRUM FOR 2006 - 07

< 49 HZ 49 - 50.5 HZ > 50.5 HZ


GRAPH-G6/1

68

LOAD DURATION CURVE OF SOUTHERN REGION 2006 - 2007

13500

14500

15500

16500

17500

18500

19500

20500

21500

22500

23500

24500

25500

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

% OF TIME --->

DEM

AN

D M

ET IN

MW

--->

40

45

50

55

60

65

70

75

80

85

90

95

100

IN %

--->


GRAPH-G6/2LOAD DURATION CURVE 2006 - 2007

ANDHRA PRADESH

3900430047005100550059006300670071007500790083008700

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

% OF TIME --->

DEM

AN

D M

ET IN

MW

--->

404550556065707580859095100

IN %

--->

KARNATAKA

1600

2000

2400

2800

3200

3600

4000

4400

4800

5200

5600

6000

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

% OF TIME --->

DEM

AN

D M

ET IN

MW

--->

34

40

46

52

58

64

70

76

82

88

94

100

IN %

--->

KERALA

700

900

1100

1300

1500

1700

1900

2100

2300

2500

2700

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

% OF TIME --->

DEM

AN

D M

ET IN

MW

--->

30

37

44

51

58

65

72

79

86

93

100

IN %

--->

TAMIL NADU

36004000440048005200560060006400680072007600800084008800

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

% OF TIME --->

DEM

AN

D M

ET IN

MW

--->

35404550556065707580859095100

IN %

--->

69


GRAPH G7

70

FREQUENCY DURATION CURVE 2006-07

48.00

48.50

49.00

49.50

50.00

50.50

51.00

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95

% OF TIME --->

FREQ

UEN

CY

IN H

Z ---

>


GRAPH G8/1

71

LOAD CURVE FOR MAXIMUM DEMAND DAY 2006-07(27-MAR-2007)

20000

21000

22000

23000

24000

25000

26000

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

HOUR ---->

DEM

AN

D IN

MW

--->


GRAPH G8/2

72

LOAD CURVE FOR MINIMUM DEMAND DAY 2006-07 (29-MAY-2006)

10000

11000

12000

13000

14000

15000

16000

17000

18000

19000

20000

21000

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

HOUR ---->

DEM

AN

D IN

MW

--->


GRAPH G9/1

RESERVOIR GRAPHS OF ANDHRA PRADESH DURING 2002-03, 2003-04, 2004-05, 2005-06 & 2006-07

ENERGY STORED AT JALAPUT RESERVOIR

0

100

200

300

400

500

600

APR MAY JUN JUL AUG SEP OCT NOV DEC JAN FEB MAR

MONTHS --->

ENER

GY

IN M

Us

--->

2002-03 2003-04 2004-05 2005-06 2006-07

LEVELS RECORDED AT JALAPUT RESERVOIR

815

820

825

830

835

840


MONTHS --->

LEVE

L IN

MET

ERS

--->

2002-03 2003-042004-05 2005-062006-07 Full Reservoir LevelMinimum Draw Down Level

LEVELS RECORDED AT SRISAILAM RESERVOIR

220

230

240

250

260

270

280


MONTHS --->

LEVE

L IN

MET

ERS

--->


LEVELS RECORDED AT N'SAGAR RESERVOIR

140145150155160165170175180185


MONTHS --->

LEVE

L IN

MET

ERS

--->


73


GRAPH G9/2

RESERVOIR GRAPHS OF KARNATAKA DURING 2002-03, 2003-04 , 2004-05, 2005-06 & 2006-07

LEVELS RECORDED AT LINGANAMAKKI RESERVOIR

510515520525530535540545550555560


MONTHS --->

LEVE

L IN

MET

ERS

--->


ENERGY STORED AT LINGANAMAKKI RESERVOIR

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000


MONTHS --->

ENER

GY

IN M

Us

--->

2002-03 2003-04 2004-05 2005-06 2006-07

LEVELS RECORDED AT SUPA RESERVOIR

480490500510520530540550560570


MONTHS --->

LEVE

L IN

MET

ERS

--->


ENERGY STORED AT SUPA RESERVOIR

0

500

1000

1500

2000

2500

3000

3500


MONTHS --->

ENER

GY

IN M

Us

--->

2002-03 2003-04 2004-05 2005-06 2006-07

74


GRAPH G9/3

RESERVOIR GRAPHS OF KERALA DURING 2002-03, 2003-04 , 2004-05, 2005-06 & 2006-07

LEVELS RECORDED AT IDDUKKI RESERVOIR

680690700710720730740750760770780


MONTHS --->

LEVE

L IN

MET

ERS

--->


ENERGY STORED AT IDDUKKI RESERVOIR

100300500

700900

110013001500

170019002100


MONTHS --->

ENER

GY

IN M

Us

--->

2002-03 2003-04 2004-05 2005-06 2006-07

LEVELS RECORDED AT KAKKI RESERVOIR

880

900

920

940

960

980

1000


MONTHS --->

LEVE

L IN

MET

ERS

--->


ENERGY STORED AT KAKKI RESERVOIR

0

100

200

300

400

500

600

700

800

900


MONTHS --->

ENER

GY

IN M

Us

--->

2002-03 2003-04 2004-05 2005-06 2006-07

75


GRAPH G9/4

76

RESERVOIR GRAPHS OF TAMIL NADU DURING 2002-03, 2003-04 , 2004-05, 2005-06 & 2006-07

ENERGY STORED AT NILGIRIS RESERVOIR

0

200

400

600

800

1000

1200

1400

1600


MONTHS --->

ENER

GY

IN M

Us

--->

2002-03 2003-04 2004-05 2005-06 2006-07


EXHIBIT – E 1

NUCLEAR STATION

NARENDRA

MAHABOOB NAGAR

CHITTOOR

VEMAGIRI

GVK

VIJAYAWADA

GAZUWAKA

HYDERABAD

RAICHUR

GOOTY

SALEM

UDUMALPET

TRICHUR

MADURAI

TRICHY

MADRAS

NEYVELI

GUTTUR

KAIGA

RSTPP

BHADRAVATI

MUNIRABAD

P

P

P

P

P

KOLAR

TALCHER

JEYPORE

HOSUR

SSLMM

MMDP

TRIVANDRUM

NELLORE

KALPAKKA

SIMHADRI

HIRIYUR

TALGUPPA

KADAPA

1000 MW HVDC BACK TO BACK LINK

2000 MW HVDC BIPOLE

500 KV HVDC LINE

400 KV LINE POWERGRID

400 KV LINE APTRANSCO

400 KV LINE KPTCL

THERMAL GENERATING STATION

NEYVELI TPS – 1 (EXP)

400KV SUB-STATION

MAPS

HOODY

KURNOOL

KHAMMAM

N’SAGAR

ALMATHY

MYSORE

NELAMANGALA

BANGALORE

GAUTHAMI

KONASEEMA

GMR

77


RAMAGUNDAM

HYDERABAD

N'SAGAR

KHAMMAM

NUNNA

CUDDAPAH

GOOTY

RAICHUR

HOODY

MADRAS

BANGALORE

NEYVELI

SALEM

MUNIRABAD

UDUMALPET

TRICHY

MADURAI

THRISSUR

MMD'PALLI

KURNOOL

80 80

63

63

63

63

63

63

63 63(AP)

TO JEYPORE

NELMANGALA

GUTTUR

KALPAKA

CH’PUR

~

~ ~

~

SRISAILAM

NELLORE

KOLAR

HOSUR

63

6363

63

TALAGUPPA

NEYVELI TS-I (Exp)

HIRIYUR

63

63

63 50

63

50

50

50

50

5050

50 50

5050

50

50

5050

50

63

5050

50 5050

50

50

50

50

50

50

50

5050

50

5050

50 50

50

50

50

50 50

- LINE REACTOR

- LINE REACTOR CONVERTABLE INTO BUS REACTOR

- BUS REACTOR

50

5050

50

TRIVANDRUM

MB’NAGAR

NARENDRA

KAIGA

5050

SIMHADRI

VEMAGIRI

(178)

(178)

(201)

(195

) (12)

(187

)

(267

)

(197)(197)

(147)(147)

(201)

(227)

(108

)

(163)

(110

)

(201)

(54)

(348

)

(201)

(12)GAZUWAKA

(4)

(21)

(140)

(115)

(45)

(158)

(145)

(221)

(340)

(340)

(104)

(85)

(151

)

(108

)

(174

)

(69)

(51)

(211)

(69)(1

26)

(175)(164)

(14)

(138

)

(172)

(130

)

(130

)

(127)

(216)

(267

) (189)

(220)

(364)

(317)

(315)

(315)

(277)

(279)

(194)

(194)

(74)(184)

(308

)(2

54)

(256

)

(172

)

(300

)

(145

)

(95)

(97)

(181)

(182

)

(179)

(151

)

(130

)

(130

)

- FIXED SERIES COMPENSATOR

400KV NETWORK IN SR WITH LINES AND BUS REACTORS

CHITTOOR

(147)

(216)

GVK(7)

GMR

(2)

- SWITCHABLE LINE REACTOR

ALMATHY

(76)

(76)

(163)

MYSORE

(133)(133)

(69)

(51)

(42)

(42)

GAUTAMI

KONASEEMA

(220)

(39)

(26)

(147)

(147)

EXHIBIT – E 2

78

southern regional load despatch centre … page no. . section 1 highlights during the year 1 section...

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