npp mnit 22dec2011
TRANSCRIPT
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W y?
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Year Development
1910 Electricity Act 1910
1948 Electricity Supply Act 1910
1950 SEB formation1951 CEA established as a part-
time body
1975 CEA established as a full-time body
1996 First SERC was formed in
the state of Orissa
1998 Electricity RegulatoryCommission Act 1998
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2001 Energy conservationc
2002 The bureau of EnerEfficiency
2005 NEP, Appellate
Tribunal for Electricity
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-POC and PX
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Electricit Act 2003
It facilitates investment by creating competitive environment and reformingdistribution segment of power industry
Entry barriers removed/reduced
No license required for generation
Freedom to captive generation including group captives
Recognizing trading as an independent activity
Open access in transmission already in place Open access to consumers above 1 MW within five years commencing from 27th
J an 2004 (date of enforcement of amendment of Electricity act)
Multiple licenses permitted in same distribution areaRegulatory Commissions-to fix tariff and to regulate
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Objective
Mainly to develop an efficient pricing algorithm fortransmission/distribution use of system charges toencoura e erturbation of new industrial loads andgenerations.
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Vision
To provide technical inputs and develop models in the area
Central Electricity Regulatory Commission (CERC)
State Electricity Regulatory Commission (SERC)
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Network Pricing Issues
--
Cost Allocation -- Technical Issue
Revenue Reconciliation -- Regulatory Issue
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Network Cost Evaluation (Tariff)
CAPITAL COST OF THE PROJ ECT : Rs 100 CrsLOAN : Rs 70 CrsEQUITY : Rs 30 CrsRATE OF INTEREST ON LOAN : 8% PA
Tariff P/AIOL (Interest on loan) : 70 x 0.08 = 5.60 CrsROE (Return on e uit ) : 30 x 0.14 = 4.20 CrsDEPRECIATION : 100 x 0.0297 = 2.97 CrsO & M : 276 x 0.227 = 62.65 Lakhs
(for 276 ckt kms Line): 2 x 28.12 = 56.24 Lakhs ( for 2 bays)TOTAL O&M : 62.65+56.24 = 118.89 LAKHS = 1.19 CrsIOWC(Interest on Working Capital) : 10%WC : 3.42 Crsi) Two months receivables : 2.32 Crs
ii)ii) One month O&M : 0.10 Crsiii)iii) 1% of capital cost as spares: 1.00 CrsIOWC : 3.42 x .10 = 0.34 CrsAAD(Annual average damage) : 5.83 -2.97= 2.86 CrsRepayment of loan @ 5.83 Crs per annum in 12 yrs
TOTAL ANNUAL TARIFF : =17.16 Crs
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Entry & Exit Charges
Entry Charges for Generators, Exit Charges forLoad
Varies With System Voltage Levels Between Entry& Exit Points
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Common Service Charges
Asset Related Costs & Services Ensuring Integrityof Network & Benefiting All
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Network Use of System Charges
Return on Capital Value of Network
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Pricing Methodologies
PSM (Postage Stamp Method)
DRM (Distribution Reinforcement Model)
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PpeakTCRt *=
Rt=transmission price for load t
Pt= peak power of load t
Ppeak= system peak power
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DRM (Distribution Reinforcement Model)
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ong un are ncrementa ost
a new shared and back to future methodology
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From
Bus
To
Bus Xfrmr MW From Mvar From
MVA
From Lim MVA
% of MVA
Limit (Max) MW Loss Mvar Loss
1 5 Yes 394.8 114.3 411 600 68.5 2.53 33.79
4 2 No 303.7 121.5 327.1 1200 27.3 11.84 -17.57
5 2 No 525.7 263 587.8 1200 49 17.5 122.13
3 4 Yes 440 297.5 531.1 1000 53.1 1.92 25.59
5 4 No -133.4 -182.5 226.1 1200 18.8 1.04 -32.18
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Future Scope
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Future Scope
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CAPACITY=1MVA
GSP
LOAD
GSPGSPGSP
CAPACITY=1MVAREAL POWER=1MW
LOAD(1+j0)MVA
CAPACITY=1MVAREAL POWER=0.8MW
LOAD(0.8+j0.6)MVA
CAPACITY=1MVAREAL POWER=0.6MW
LOAD(0.6+j0.8)MVA
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sin
Q
cosP
Q
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Price Elasticity
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ICRP Charging Model
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Framework
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THANK YOU