SPECIAL TCC MEETING ON 23-AUG-04CONSUMPTION PLOT

2002 - 05LOAD RESTRICTION VARIABLE COST

UI SUMMARYTILL 25/JULY/04

UI IN SR IRE-ACCOUNT

LETTERSANTICIPATED

DEMAND POSITIONANTICIPATED

ENERGY POSITION

HVDC UTILISATION

UI ADVANTAGES BENEFIT OF WR UI

SCH Vs DRAWAL ER

UI OF ER & WR AND TOTAL UI

SCH Vs DRAWAL WR

UI OF ER & CONSTITUENTS

SCH Vs DRAWAL TALCHER II

BENEFIT OF ER UI

SUGGESTIONEXTRACTS FROM

NEMMCOECONOMIC SURVEY

EXTRACTS 9.14

SKEWED DRAWALDRAWAL PATTERN

OF STATES

1. LOAD RESTRICTION LIFTED IN KARNATAKA FROM

18-JUNE-04.

2. IN KERALA, CYCLIC LOAD SHEDDING DURING

ENENING PEAK HOURS WAS WITHDRAWN FROM 16-

JUNE-04.

3. TAMIL NADU AND ANDHRA PRADESH HAVE

REMOVED LOAD RESTRICTION.

4. FREE POWER TO FARMERS

LOAD RESTRICTION

JULY-04

STATE AVG DRAWAL

MAX DRAWALJULY 04 TILL NOW

ENTITLEMENT

WITH TAL WITH TAL

1500MW 2000MW

MIN DRAWALJUL 04 TILL NOW

AP 600 1500 1890 1284 1389 - 155 - 770

KAR 1290 2015 2130 1329 1432 770 290

KER 600 910 1040 860 934 300 20

TN 1680 2150 2730 2164 2297 1080 - 100

PONDY 185 225 235 240 257 140 10

MAXIMUM & MINIMUM DRAWAL

AP KAR KER TN PONDY

Total UI exported(-) /

Imported(+) in MUs

-2703 2279 998 815 -38

Total amount paid in Crores

Rs.-515 397 172 198 -5

Average rate of UI in paise/unit 190 174 173 243 118

SUMMARY OF UI – 84 WKS(FROM 01/JAN/03 TO 08/AUG/04)

INTER REGIONAL UI IN SR (FROM 01/01/03 TO 08/08/04)

• TOTAL UI TURNOVER :- 4831 MU• TOTAL UI AMOUNT DISBURSED:- 917 CR• INTER REGIONAL UI:- +942 MU -191 MU• AVG WEEKLY TRANSACTION:- 57 MU• AVG WEEKLY UI AMT DISBURSED:- 11 CR• AVG RATE OF EXPORT TO WR IN PS/U

– 155 PS/U @SR– 255 PS/U @WR

• AVG RATE OF IMPORT FROM ER IN PS/U– 144 PS/U @ ER

INTER-REGIONAL EXCHANGES A/C DETAILS UPTO 84 WKS (TILL 08/08/04)

1. SR IMPORTED 295 MU AND EXPORTED 181 MU TO WR.

2. AMOUNT ACCRUED IN SREB – IRE DUE TO DIFF. IN WR A/C = 36.5Crs

3. AMOUNT TO BE ACCRUED IN WREB – IRE DUE TO DIFF. IN SR A/C = 23.25Crs

4. AMOUNT DUE TO SR CONSTITUENTS ON 50:50 BASIS = 29.83Crs

5. AMOUNT ALREADY DISBURSED TO SR CONSTITUENTS = 27.36Crs

6. BALANCE DUE TO SR CONSTITUENTS = 2.5Crs

LETTERS

SREB12-MAY-04

EREB28-MAY-05

SREB07-JUNE-04

TNEB12-AUGUST-04

SREB28-OCT-03

SREB21-NOV-03

EREB06-MAY-04

SOUTHERN REGION - ANTICIPATED DEMAND POSITION

ANTICIPATED DEMANDPOSITION

DEMAND DEFICIT/SURPLUS

IN %

Jul-04 Aug-04 Sep-04 Oct-04 Nov-04 Dec-04 Jan-05 Feb-05 Mar-05

1 ANDHRA PRADESH

DEMAND MET 6643 6988 7910 7588 7342 7208 7693 7827 7821

REQUIREMENT 7751 8148 8519 8247 8107 7998 8478 8777 9129

PERCENTAGE DEFICIT (-) -14 -14 -7 -8 -9 -10 -9 -11 -14

2 KARNATAKA

DEMAND MET 5075 5063 5195 5322 5269 5558 5755 5723 5607

REQUIREMENT 5305 5588 6065 5875 5846 6224 6296 6812 6648

PERCENTAGE DEFICIT (-) -4 -9 -14 -9 -10 -11 -9 -16 -16

3 KERALA

DEMAND MET 2551 2516 2526 2616 2573 2590 2777 2646 2660

REQUIREMENT 2560 2575 2590 2590 2650 2720 2735 2715 2755

PERCENTAGE DEFICIT (-) 0 -2 -2 1 -3 -5 2 -3 -3

4 TAMILNADU

DEMAND MET 7600 7783 7094 7115 7043 6977 7644 7662 7546

REQUIREMENT 7420 7089 7433 7263 7226 7550 7772 7785 7915

PERCENTAGE DEFICIT (-) 2 10 -5 -2 -3 -8 -2 -2 -5

5 PONDICHERRY REGION

DEMAND MET 177 174 174 168 153 180 217 217 217

REQUIREMENT 239 231 243 242 244 223 182 190 194

PERCENTAGE DEFICIT (-) -26 -25 -28 -31 -37 -19 19 14 12

6 PGCIL(Gaz/Tal/Kol) 5 5 5 5 5 5 6 6 6

7 SOUTHERN REGION

DEMAND MET 21115 21566 21920 21824 21411 21550 23067 23055 22843

REQUIREMENT 22285 22621 23778 23166 23024 23648 24378 25154 25500

PERCENTAGE DEFICIT (-) -5 -5 -8 -6 -7 -9 -5 -8 -10

(ALL FIGURES IN MW)

SOUTHERN REGION - ANTICIPATED ENERGY POSITION

ANTICIPATED ENERGYPOSITION

ENERGYDEFICIT/SURPLUS

IN %

( FIGURES IN MU)Jul-04 Aug-04 Sep-04 Oct-04 Nov-04 Dec-04 Jan-05 Feb-05 Mar-05 Total

1 ANDHRA PRADESH

ENERGY AVAILABILITY 4526 4560 5047 4820 4634 4909 5104 4687 5135 43423

ENERGY REQUIREMENT 4587 4618 4961 4692 4594 4633 4896 4749 5467 43197

PERCENTAGE DEFICIT (-) -1 -1 2 3 1 6 4 -1 -6 1

2 KARNATAKA

ENERGY AVAILABILITY 2786 2679 2642 2541 2761 3082 3276 3050 3373 26192

ENERGY REQUIREMENT 2960 3118 3275 3278 3157 3473 3513 3433 3710 29917

PERCENTAGE DEFICIT (-) -6 -14 -19 -22 -13 -11 -7 -11 -9 -12

3 KERALA

ENERGY AVAILABILITY 1201 1153 1146 1196 1169 1199 1259 1164 1321 10809

ENERGY REQUIREMENT 1185 1154 1143 1184 1173 1194 1225 1133 1267 10658

PERCENTAGE DEFICIT (-) 1 0 0 1 0 0 3 3 4 1

4 TAMILNADU

ENERGY AVAILABILITY 4280 4153 4063 4077 3825 4083 4608 4097 4538 37725

ENERGY REQUIREMENT 4380 4100 4481 4136 3927 4539 4625 4483 4906 39577

PERCENTAGE DEFICIT (-) -2 1 -9 -1 -3 -10 0 -9 -7 -5

5 PONDICHERRY REGION

ENERGY AVAILABILITY 135 130 128 126 112 136 156 142 158 1224

ENERGY REQUIREMENT 159 153 153 149 140 146 152 145 165 1362

PERCENTAGE DEFICIT (-) -15 -15 -16 -15 -20 -7 3 -2 -4 -10

6 PGCIL(Gaz/Tal/Kol) 3 4 3 4 3 4 4 4 5 34

7 SOUTHERN REGION

ENERGY AVAILABILITY 13021 12765 13109 12840 12574 13495 14503 13231 14627 120165

ENERGY REQUIREMENT 13363 13233 14097 13519 13064 14070 14510 14033 15615 125504

PERCENTAGE DEFICIT (-) -3 -4 -7 -5 -4 -4 0 -6 -6 -4

HVDC SET POINT CHANGES

-600

-400

-200

0

200

400

600

800

1000

1200

0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92

TIME AS BLOCK OF 15 MINUTE --->

MW --

>

49.0

49.5

50.0

50.5

51.0

51.5

52.0

52.5

53.0

53.5

54.0

54.5

55.0

TALCHER

GAZUWAKA

BHADRAWATHI

ABOUT 50 SET POINT CHANGES IN A DAY

ADVANTAGESINTER-REGIONAL UI

• WIN – WIN PLATFORM – PROMOTES TRADE• SPOT MARKET IN REAL TIME• REDUCES THE NEED FOR BILATERAL• BEST UTILISATION OF FLEXIBLE HYDRO• ALL COSTLIER GENERATORS IN SR• ALL PIT-HEAD GENERATORS IN ER• GENERALLY SR IS ENERGY DEFICIT & ER IS

ENERGY SURPLUS• SHORTAGE OF COAL / LIGNITE IN SR• IMPACT OF ENVIROMENT

• REPLACE COSTLY GENERATION BY CHEAPER GENERATION

ER –SR LINKER –SR LINK

PRESENTPRESENT 500 MW GAJUWAKA HVDC B2B500 MW GAJUWAKA HVDC B2B 2000 MW TALCHER-KOLAR HVDC2000 MW TALCHER-KOLAR HVDC

FUTUREFUTURE ANOTHER 500 MW HVDC B2B AT ANOTHER 500 MW HVDC B2B AT

GAJUWAKA BY DECEMBER 2004GAJUWAKA BY DECEMBER 2004 ENHANCEMENT OF TALCHER-KOLAR ENHANCEMENT OF TALCHER-KOLAR

HVDC TO 2500 MW BY NEXT YEARHVDC TO 2500 MW BY NEXT YEAR

DIAGRAM

GRID MAPGRID MAP

KHAMMAM

VIJAYAWADANAGARJUNASAGAR

VISAKHAPATNAM

(POWERGRID)HYDERABAD

RAICHUR

GOOTY

HOODY

SALEM

UDUMALPET

TRICHUR

MADURAI

TRICHY

MADRAS

NEYVELI

CUDDAPAHDAVANAGERE

KAIGA

115

317

RSTPP

BHADRAVATI

130x2

164x

218

2

151

181

173

302

308172

277

279

155

178x

2

PONDICHERY

BANGALORE

SIRSI

MUNIRABAD

PP

P

P

P

P

P

P

P

P

P

PP

P

P

N

KOLAR

PALLOM

KAYANKULAM EDAMON

TALCHER

JEYPORE

63

187

2x78

2x221

54

HOSUR

KADRA

KODASAALY

Nagjhari

1

120

60

MAPS

P

SSLMM

MMDP

THIRUVANATHAPURAM

ALMATHI

NELLORE400 KV LINE PRESENTLY

OPERATED AT 220 KV NELAMANGALA

KURNOOL

GAZUWAKA(AP)

SIMHADRI NTPC

HIRIYUR

189

195

267x

2

258

242

175

179

127

130x

2

221x2

146x2

52x2

197x2

301x2

8x4

15x2

300

28

330

3500 MW TRANSFER CAPABILITY ON HVDC.ANOTHER 500 MW POLE TO BE ADDED AT GZK. TALCHER POLE CAPABILITY TO BE ENHANCED TO 2500 MW

ABOUT 38000 CKM OF 400/220 KV TRANSMISSION

TALGUPPA

UI ON ER –SR LINKUI ON ER –SR LINK FLEXIBILITY TO THE SYSTEM FLEXIBILITY TO THE SYSTEM

OPERATOROPERATOR MERIT ORDERMERIT ORDER OPTIMISATION OPPORTUNITYOPTIMISATION OPPORTUNITY

LOSS REDUCTIONLOSS REDUCTION DE-CONGESTION OF NETWORK DE-CONGESTION OF NETWORK

RAIPUR-ROURKELA IN ERRAIPUR-ROURKELA IN ER BHILAI-KORADI IN WRBHILAI-KORADI IN WR CUDAPAH-KOLAR, NUNNA-NELLORE IN SRCUDAPAH-KOLAR, NUNNA-NELLORE IN SR

VOLTAGE CONTROLVOLTAGE CONTROL FGMO – MORE CONDUCIVEFGMO – MORE CONDUCIVE

PRESENT ER –SR UIPRESENT ER –SR UI

ER UI IS CALCULATED BASED ON ER UI IS CALCULATED BASED ON THE ER FREQUENCYTHE ER FREQUENCY

ONLY ONE SIDE FREQUNCY IS ONLY ONE SIDE FREQUNCY IS USEDUSED

NO EXTRA BENEFIT TO THE NO EXTRA BENEFIT TO THE EXPORTING ER REGION EXPORTING ER REGION

LIKE PRACTICE OF OTHER LIKE PRACTICE OF OTHER REGIONAL LINKS, BENEFITS WITH REGIONAL LINKS, BENEFITS WITH RESPECTIVE REFERENCE RESPECTIVE REFERENCE FREQUENCY IS NOT PRESENT FREQUENCY IS NOT PRESENT

PRESENT ER –SR UIPRESENT ER –SR UI TO BE IN LINE WITH OTHER INTER TO BE IN LINE WITH OTHER INTER

REGIONAL LINKS, THE SAME PHILOSOPHY REGIONAL LINKS, THE SAME PHILOSOPHY OF SHARING THE BENEFIT IN THE RATIO OF SHARING THE BENEFIT IN THE RATIO OF 50:50 HAS TO BE USED AFTER OF 50:50 HAS TO BE USED AFTER CALCULATING WITH RESPECTIVE CALCULATING WITH RESPECTIVE REFERENCE FREQUNCYREFERENCE FREQUNCYDIFFERNCES BETWEEN ER-SR LINK AND DIFFERNCES BETWEEN ER-SR LINK AND OTHER INTER REGIONAL LINKSOTHER INTER REGIONAL LINKS

TALCHER STAGE2 BELONGING TO SR IS TALCHER STAGE2 BELONGING TO SR IS PRESENT IN ER PRESENT IN ER

TALCHER – KOLAR HVDC LINE IS PART OF TALCHER – KOLAR HVDC LINE IS PART OF SR TRANSMISSION SYSTEMSR TRANSMISSION SYSTEM

LOSS AND TRANSMISSION CHARGES OF LOSS AND TRANSMISSION CHARGES OF TALCHER KOLAR LINE IS BORNE BY SR.TALCHER KOLAR LINE IS BORNE BY SR.

SUGGESTIONSUGGESTION

WHILE ARRIVING THE RATIO FOR WHILE ARRIVING THE RATIO FOR SHARING THE BENEFIT THE SHARING THE BENEFIT THE FOLLOWING HAS TO CONSIDEREDFOLLOWING HAS TO CONSIDERED

CHANGING OF CHANGING OF SCHEDULING/METERING POINT (ER SCHEDULING/METERING POINT (ER INTER CONNECTOR)INTER CONNECTOR)

TALCHER –KOLAR LINE LOSSTALCHER –KOLAR LINE LOSS TRANSMISSION CHARGES OF TRANSMISSION CHARGES OF

TALCHER – KOLAR LINETALCHER – KOLAR LINE

SUGGESTIONSUGGESTION INSTEAD OF INTERCONNECTOR INSTEAD OF INTERCONNECTOR

OF TALCHER 1 & 2 TALCHER OF TALCHER 1 & 2 TALCHER HVDC CAN BE MADE HVDC CAN BE MADE SCHEDULING AND METERING SCHEDULING AND METERING POINT. POINT.

TALCHER STAGE 2 WILL BE IN TALCHER STAGE 2 WILL BE IN THE ER POOL FOR UI ACCOUNT.THE ER POOL FOR UI ACCOUNT.