open access experiances and way ahead on 28-04-2008 v k agrawal, general manager in workshop on grid...

OPEN ACCESSEXPERIANCES AND

WAY AHEADON

28-04-2008

V K Agrawal,General Manager

INWORKSHOP ON

GRID SECURITY AND MANAGEMENT

MILESTONES : TRANSMISSION SECTORMILESTONES : TRANSMISSION SECTOR

19891989 Unbundling of CS transmission from generationUnbundling of CS transmission from generation

(Formation of Power Transmission Corporation(Formation of Power Transmission Corporation

.. now POWERGRID).. now POWERGRID)

19911991 Generation opened to Private SectorGeneration opened to Private Sector

19951995 Unbundling process started in StatesUnbundling process started in States

-Orissa Regulatory Commission Act introduced-Orissa Regulatory Commission Act introduced

-State unbundled into Gencos, Transco & Discoms-State unbundled into Gencos, Transco & Discoms

19981998 Electricity Regulatory Commission Act passedElectricity Regulatory Commission Act passed

20002000 Process initiated for a comprehensive legislatureProcess initiated for a comprehensive legislature

20032003 Electricity Act 2003 enacted in June 2003Electricity Act 2003 enacted in June 2003

20042004 CERC Order and Regulations on OPEN ACCESS CERC Order and Regulations on OPEN ACCESS

OPEN ACCESS IN INTER-STATE TRANSMISSION

• CERC has issued Regulations and the

Open Access in Inter State Transmission

implemented w.e.f. 6-May-2004.

• CERC has amended the above

Regulations and the amended

Regulations are implemented w.e.f

01-04-2005.

• CERC has amended the Regulations on

25-01-2008 and the new Regulations are

implemented w.e.f 01-04-2008.

Transmission Pricing : Objective

• Promote efficient day-to-day operation of the bulk Promote efficient day-to-day operation of the bulk

power market including power tradingpower market including power trading

• Give Economic signal for efficient use of Give Economic signal for efficient use of

transmission resourcestransmission resources

• Give economic signal for transmission investmentGive economic signal for transmission investment

• Give economic signal for location of new Give economic signal for location of new

generation and loadsgeneration and loads

• Compensate the owner of the transmission system Compensate the owner of the transmission system

• Be simple and practicalBe simple and practical

Diversity details of Regional Grids in India

SOUTHERN REGION

WESTERNREGION

EASTERN REGION

NORTHERN REGION NORTH-

EASTERN REGION

REGIONAL GRIDS

Deficit Region

Snow fed – run-of –the –river hydro

Highly weather sensitive load

Adverse weather conditions: Fog & Dust StormVery low load

High hydro potential

Evacuation problems

Industrial load and agricultural load

Low load

High coal reserves

Pit head base load plants

High load (40% agricultural load)

Monsoon dependent hydro

CHICKEN-NECK

Transmission Capacity

• Is a coordinated exercise• Transmission system developed as

– Generation linked Associated Transmission System– Inter-regional schemes– Grid strengthening schemes

• Beneficiaries identified apriori– Transmission system can be constructed only with commitment

• N-1 criterion adopted• Optimum capacity• Inherent design margin available in the transmission system

– To accommodate the variation of 15% unallocated power– Skewed dispatch scenarios

• Actual margins available in the system– Generation outages, unbalanced load growth– Laws of physics prevail

Total Transfer Capability: TTC

Voltage Limit

Thermal Limit

Stability Limit

Total Transfer Capability

Total Transfer Capability is the minimum of the Thermal Limit, Voltage Limit and the Stability Limit

Time

Power Flow

Total & Available Transfer Capability

ATC = TTC – TRM – CBM

Transfer Reliability Margin (TRM)

Capacity Benefit Margin (CBM)

Long Term Open Access (LTOA)

Short Term Open Access (STOA)

TTC

ATC

11

INTER REGIONAL INTER REGIONAL CAPACITIESCAPACITIES

Inter regional Link

MW capacity

NER-ER 1,240ER-NR 6,020ER-SR 1,120ER-WR 1,760SR-WR 1,680WR-NR 2,080Other 132 KV Links

200

Talcher Kolar HVDC Bipole

2,500

Total 17,000Target for 2012

37,700

30,500 MW

16,00042,420 MW

39,175 MW

37,486 MW

19,416 MW

2,506 MW

OPEN ACCESS: OPEN ACCESS: DEFINITION AS PER ELECTRICITY ACT, DEFINITION AS PER ELECTRICITY ACT,

20032003

Section 2 (47)Section 2 (47)

““Open access” means the non-discriminatory Open access” means the non-discriminatory

provision for the use of transmission lines or provision for the use of transmission lines or

distribution system or associated facilities with such distribution system or associated facilities with such

lines or system by any licensee or consumer or a lines or system by any licensee or consumer or a

person engaged in generation in accordance with person engaged in generation in accordance with

the regulations specified by the Appropriate the regulations specified by the Appropriate

Commission;”Commission;”

Nondiscriminatory provision for use of transmission line or distribution system or associated facilities with such line or system by any licensee or consumer or a person engaged in generation in accordance with the regulations specified by the Appropriate Commission.

Under sub-section (2) of Section 38, CTU is obliged to provide nondiscriminatory open access to its transmission system for use by

(i) any licensee or generating company on payment of transmission charges; or

(ii) any consumer as and when such open access is provided by the State Commission under sub-section (2) of Section 42, on payment of transmission charges and a surcharge thereon as may be specified by the Central Commission

“Open Access’ means

OPEN ACCESS IN INTER-STATE TRANSMISSION

• Products –

– Long term Access

– Short term Access

•Monthly

–Advance

–First Come First Serve

–Day ahead

–Same Day transactions

CATEGORY OF OPEN ACCESS CATEGORY OF OPEN ACCESS CUSTOMERSCUSTOMERS

• LONG TERM : TWENTYFIVE YEARS AND ABOVE– Life of the Assets about 25 years

– Existing beneficiaries of a regional transmission

system owned or operated by CTU- deemed long term

customers

– New Long Term Open Access customers: Require

BPTA for inter-State transmission

• SHORT TERM : WHICH IS NOT LONG TERM - Essentially a Non firm service

– The service may be curtailed if system security demands.

CERC Open Access Regulations, CERC Open Access Regulations, 20082008

3.3. Subject to any other regulations specified by the Subject to any other regulations specified by the Commission, the long-term customer shall have first Commission, the long-term customer shall have first priority for using the inter-State transmission system priority for using the inter-State transmission system for the designated use. These Regulations shall apply for the designated use. These Regulations shall apply for utilization of surplus capacity available thereafter for utilization of surplus capacity available thereafter on the inter-State transmission system by virtue of-on the inter-State transmission system by virtue of-

(a)(a) Inherent design margins; Inherent design margins;

(b) Margins available due to variations in power flows; (b) Margins available due to variations in power flows;

(c ) Margins available due to in-built spare transmission (c ) Margins available due to in-built spare transmission

capacity created to cater to future load capacity created to cater to future load

growth or growth or generation addition: generation addition:

CERC Open Access CERC Open Access Regulations, 2008Regulations, 2008

• Effective 01.04.2008Effective 01.04.2008

• Regulations cover only Short-term Regulations cover only Short-term Open AccessOpen Access

• Transactions categorized as Bilateral Transactions categorized as Bilateral and Collective (through PX)and Collective (through PX)

• Earlier Products of Short-Term Earlier Products of Short-Term retained under Bilateral Transactionsretained under Bilateral Transactions

• Nodal AgencyNodal Agency

– Bilateral : RLDCsBilateral : RLDCs

– Collective : NLDCCollective : NLDC

CERC Open Access CERC Open Access Regulations, 2008Regulations, 2008

• Transmission Charges moved from “Contract Path” Transmission Charges moved from “Contract Path” to “Point of Connection”to “Point of Connection”

• Both Buyers and Sellers of Collective transactions Both Buyers and Sellers of Collective transactions to bear transmission charges and absorb to bear transmission charges and absorb transmission lossestransmission losses

• Inter-Regional links -No Separate treatment. Inter-Regional links -No Separate treatment.

• Emphasis on “Scheduling” rather than Emphasis on “Scheduling” rather than “Reservation”“Reservation”

• SLDC consent mandated along with applicationSLDC consent mandated along with application

• In case of Congestion – e-Bidding without Price CapIn case of Congestion – e-Bidding without Price Cap

• Exit Option provided with payment of up to 5 days Exit Option provided with payment of up to 5 days open access charges.open access charges.

• Moving towards empowerment of SLDCsMoving towards empowerment of SLDCs

Regulation 2004 of CERC Regulations on Short-Term Open Access

Open Access Duration - Up to One year maximum -single application possible

ST Rate - in Rs/MW/Day - Min. Charges for one day

Transmission Charges a. Intra Regional – 25% of Long Term Charges b. Inter Regional – 25% of Long Term Charges

Operating Charges a. Application fee – Rs. 5000/- b. Scheduling Charges – Rs. 3000/day for each RLDC involved – Rs. 3000/day for each SLDC involved c. Handling &Service Charges - 2% of total charges

(06.05.2004 to 31.03.2005)

Regulation 2004 (Amendment 2005)of CERC Regulation 2004 (Amendment 2005)of CERC Regulations on Short Term Open AccessRegulations on Short Term Open Access

Open Access Duration - Up to three months -single application possible

ST Rate - in Rs/MW/Day - Charges as per continuous block of up to 6 hours, 12 hours, and more than 12 hoursTransmission Charges a. Intra Regional – 25% of Long Term Charges b. Inter Regional – 50% of Long Term ChargesOperating Charges a. Application fee – Rs. 5000/- b. Scheduling Charges – Rs. 3000/day for each RLDC involved – Rs. 1000/day for each RLDC involved c. Handling &Service Charges - Nil

((01.04.2005 to 31.03.2008)01.04.2005 to 31.03.2008)

Regulation 2008 of CERC RegulationsRegulation 2008 of CERC Regulationson Short Term Open Accesson Short Term Open Access

Open Access DurationOpen Access Duration

- Bilateral -Up to 3 months separate application for each month- Bilateral -Up to 3 months separate application for each month

- Collective: -Only Day ahead Collective: -Only Day ahead

ST RateST Rate - in Rs/MWh - in Rs/MWh - Based on Scheduled Energy - Based on Scheduled Energy

Transmission ChargesTransmission Charges Bilateral:Bilateral:

Rs.30/MWh – intra- regionalRs.30/MWh – intra- regionalRs.60/MWh – Between adjacent regionsRs.60/MWh – Between adjacent regionsRs90/MWh – Wheeling through one or more regionRs90/MWh – Wheeling through one or more region

Collective Transactions (Px):Collective Transactions (Px):-Rs. 30/MWh for each point of injection and drawal-Rs. 30/MWh for each point of injection and drawal

(From (From 01.04.2008)01.04.2008)

Regulation 2008 of CERC RegulationsRegulation 2008 of CERC Regulationson Short Term Open Accesson Short Term Open Access

Operating Charges Bilateral:Bilateral: a. Application fee – Rs. 5000/-a. Application fee – Rs. 5000/- b. Scheduling Charges b. Scheduling Charges – – Rs. 2000/day for each RLDC involvedRs. 2000/day for each RLDC involved – – Rs. 2000/day for each SLDC involvedRs. 2000/day for each SLDC involved

c. Handling & Service Charges –Nilc. Handling & Service Charges –Nil

Collective Transactions:Collective Transactions:a. Application fee – Rs. 5000/-a. Application fee – Rs. 5000/- b. Scheduling Charges b. Scheduling Charges – – Rs. 5000/day to NLDC for each State involved ; Rs. 5000/day to NLDC for each State involved ; -NLDC to Share with RLDCs-NLDC to Share with RLDCs

Contd …Contd …

Comparison of CERC Regulations on Short-Term Open Access Comparison of CERC Regulations on Short-Term Open Access (Regulation 2004, Amendment 2005 and Regulations 2008)(Regulation 2004, Amendment 2005 and Regulations 2008)

S. S.

No.No.

Old RegulationsOld Regulations

(06.05.2004 to 31.03.2005)(06.05.2004 to 31.03.2005)

Amended RegulationsAmended Regulations

(w.e.f. 01.04.2005 to (w.e.f. 01.04.2005 to

31.03.2008)31.03.2008)

Regulations, 2008 Regulations, 2008

(w.e.f. 01.04.2008)(w.e.f. 01.04.2008)

1.1. Open Access Duration

- Up to One year maximum

- single application possible

Open Access Duration

- Up to Three Months max.

- single application possible

Open Access Duration

Bilateral

-Up to 3 months

- separate application for each month

- Collective:

- Only Day ahead

2.2.

ST Rate

- in Rs/MW/Day

- Min. Charges for one day

ST Rate

- in Rs./MW/Day

-Charges as per continuous block of up to 6 hours, 12 hours, and more than 12 hours

Rate

-in Rs/MWh

- Based on Scheduled Energy


S. S.

NNo.o.


(06.05.2004 to 31.03.2005)(06.05.2004 to 31.03.2005)


(w.e.f. 01.04.2005 to (w.e.f. 01.04.2005 to

31.03.2008)31.03.2008)


(w.e.f. 01.04.2008)(w.e.f. 01.04.2008)

3.3.

Transmission Charges

a. Intra Regional – 25% of

Long Term Charges

b. Inter Regional – 25% of

Long Term Charges

Transmission Charges

a. Intra Regional – 25% of Long Term Charges

b. Inter-Regional - 50% of

Long Term Charges

Transmission Charges: Bilateral:- Rs.30/MWh – intra- regional- Rs.60/MWh – Between adjacent regions- Rs90/MWh – Wheeling through one or

more region

Collective Transactions (Px):

-Rs. 30/MWh for each point of injection and drawal

4.4.

Operating Charges

a. Application fee – Rs. 5000/-

b. Scheduling Charges

– Rs. 3000/day for each RLDC involved

– Rs. 3000/day for each SLDC involved

c. Handling &Service Charges

- 2% of total charges

Operating Charges





c. Handling & Service Charges

– Nil

Operating Charges

Bilateral:



– Rs. 2000/day for each RLDC and SLDC involved

c. Handling & Service Charges -Nil

Collective Transactions:



– Rs. 5000/day to NLDC for each State involved ; -NLDC to Share with RLDCs

ER-NR

NER-ER

WR-NR

SR-WRSR-ER

EASTERN REGION

SOUTHERN REGION

WESTERNREGION

NORTHERN REGION

NORTH-EASTERN REGION

STOA RATES

2004 AND 2005 AND 2008

ER-WR

700.91

313.93

649.86

339.98

919.71

1462.44881.4

9

967.58

233.32

460.41

270.49

614.15

434.42

516.03

359.68

2433.39

1128.39

447.73

1795.11

859.05

433.09

2004 2005 2008

Scheduling Charges (Rs/Day)

RLDCs

SLDCs 3000

3000

3000

1000

2000

2000

Handling Charges 2% NIL NIL

Transmission Charges: Bilateral: Rs.30/MWh – intra- regionalRs.60/MWh – Between adjacent regionsRs90/MWh – Wheeling through one or more regionCollective Transactions (Px):-Rs. 30/MWh for each point of injection and drawal

All India basis

778

3938

5933

9560

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

No.

Of

Tra

nsac

tion

s

2004-05 2005-06 2006-07 2007-08

YEAR

DETAILS OF TRADE UNDER SHORT TERM OPEN ACCESS

16.64 Bu

22.53 Bu

23.60 Bu

28.83 Bu

No. of Transactions

Energy in Billion Units

737

845886

0

100

200

300

400

500

600

700

800

900

No.

Of

Tra

nsa

ctio

ns

2005-06 2006-07 2007-08

YEAR

DETAILS OF ADVNCE AND FCFS APPROVED STOA TRANSACTIONS

19.79 Bu

18.49 Bu

23.46 Bu

No. of Transactions


All India basis

3201

5088

8674

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

No.

Of

Tra

nsac

tion

s

2005-06 2006-07 2007-08

YEAR

DETAILS OF DAY AHEAD AND SAME DAY APPROVED STOA TRANSACTIONS

2.74 Bu

5.11 Bu

6.37 Bu

No. of Transactions


All India basis

STOA – EXPERIANCES

Applications Processed Applications Processed

(Since Beginning) > 20,000 No.(Since Beginning) > 20,000 No. Volume (Approved Energy)Volume (Approved Energy)

(Since Beginning) > 90BUs(Since Beginning) > 90BUs Applications Approved > 95 %Applications Approved > 95 %

Refusal/Non-consent by SLDCs Refusal/Non-consent by SLDCs

> 3 - 4%> 3 - 4% Refusal due to system constraints Refusal due to system constraints

< 0.5 %< 0.5 %

STOA – EXPERIANCES Transactions between extreme corners of the countryTransactions between extreme corners of the country

RGCCPP ( Kayamkulam) to PSEBRGCCPP ( Kayamkulam) to PSEB

Arunachal Pradesh(NER) to PSEBArunachal Pradesh(NER) to PSEB

TNEB to J&KTNEB to J&K

Large number of Captive Generating plants used Large number of Captive Generating plants used STOA and helped in enhancing the power STOA and helped in enhancing the power availability in grid. availability in grid.

Ugar Sugars (KAR) - JAIPUR (RAJASTHAN)Ugar Sugars (KAR) - JAIPUR (RAJASTHAN)

Godavari Sugars (KAR) - MSEDCLGodavari Sugars (KAR) - MSEDCL

NCS Sugar(ANDHARA) – GUVNLNCS Sugar(ANDHARA) – GUVNL

Indorama ( MAH) – APPCC ( ANDHRA)Indorama ( MAH) – APPCC ( ANDHRA)

STOA – EXPERIANCES

Due to High demand in the regions, the costly power Due to High demand in the regions, the costly power has been traded through STOAhas been traded through STOA

RGCCPP ( Kayamkulam) (NAPTHA) to PSEBRGCCPP ( Kayamkulam) (NAPTHA) to PSEB

BSES(KERALA) (DIESEL) to NDMC (DELHI)BSES(KERALA) (DIESEL) to NDMC (DELHI)

Diversity being gainfully utilised by Market players Diversity being gainfully utilised by Market players under STOAunder STOA

Generators PLF has also increased.Generators PLF has also increased.

IssuesIssues

Skewed load – generation levelsSkewed load – generation levels Increased line loadingIncreased line loading Consents by STU/SLDC for injection Consents by STU/SLDC for injection

of power by embedded customersof power by embedded customers TelemetryTelemetry MeteringMetering SchedulingScheduling PPAsPPAs

Empowering SLDCsEmpowering SLDCs

UI Settlement of Intra state UI Settlement of Intra state entitiesentities Before the Implementation of Open Before the Implementation of Open

Access Regulations 2008, for Access Regulations 2008, for deviations Various STU/SLDCs are deviations Various STU/SLDCs are charging differently for embedded charging differently for embedded customers. In the New Open Access customers. In the New Open Access Regulations the issue is addressed Regulations the issue is addressed

Functional Autonomy of SLDC Functional Autonomy of SLDC

Typical Approvals- Captive Power PlantsTypical Approvals- Captive Power Plants Captive Power PlantCaptive Power Plant Quantum( MW)Quantum( MW)

Eastern RegionEastern Region

NBVL(OPTCL)NBVL(OPTCL) 2727

SAIL-DSP(DVC)SAIL-DSP(DVC) 2020

TISCO(DVC)TISCO(DVC) 6060

Bhushan SteelBhushan Steel 2525

J.P Cement (Rewa)J.P Cement (Rewa) 55

Western RegionWestern RegionIndo Rama syntheticsIndo Rama synthetics 2222

PSKLPSKL 10-3010-30

Southern Region Southern Region

Renuka Sugar Renuka Sugar 2525

Vishwanath SugarVishwanath Sugar 7.57.5

Godavari SugarGodavari Sugar 2525

Ugar SugarUgar Sugar 2525

Jindal SteelJindal Steel 200200

Nav Bharat Nav Bharat 5050

NCS SugarNCS Sugar 1313 Back

TYPICALTYPICALSTOA CASE STOA CASE

KAYAMKULAM RGCCPP, NTPC to PSEB

150 MW for 31 days on Round the Clock basis

SR

STOA OF KSEB(RGCCPP) - PSEB 0000 HRS – 2400 HRSSTOA OF KSEB(RGCCPP) - PSEB 0000 HRS – 2400 HRS150MW AT RGCCPP EXBUS POINT for 31 days150MW AT RGCCPP EXBUS POINT for 31 days

KE

RA

LA

INJECTING UTILITY KYCPP,KSEB

TRADER: NVVNL

KAYAMKULAM RGCCPP NTPC)

DRAWEE UTILITY PSEB

CAPACITY APPROVED 150 MW

DAILY PERIOD 0000-2400 HRS

CUSTOMER: NVVNL

WR

NRPSEB

HVDC BACK TO BACK AT VINDHYACHAL IN WR

HVDC BACK TO BACK AT BHADRWATHI IN WR

INTERVENING REGION WR

INTERVENING REGIONAL LINK

SR-WR

WR-NRINTERVENING STATE TRANSMISSION UTILITY KSEB

SR

STOA OF KSEB(RGCCPP) - PSEB 0000 HRS – 2400 HRSSTOA OF KSEB(RGCCPP) - PSEB 0000 HRS – 2400 HRS150MW AT RGCCPP EXBUS POINT for 31 days150MW AT RGCCPP EXBUS POINT for 31 days

KE

RA

LA

KAYAMKULAM RGCCPP(NTPC)

WR

NRPSEB



EXPORT AT RGCCPP BUS 150 MW

PSEB RECIEVES 134.4 MW

AT KERALA PERIPHERY 148.9 MW

LOSSES IN KERALA 0.75%

LOSSES IN SR 3.12%

AT SR-WR PERIPHERY 144.3 MW

LOSSES IN WR 4.0%

AT WR-NR PERIPHERY 138.5 MW

LOSSES IN NR 3.0%

SR

STOA OF KSEB(RGCCPP) - PSEB 0000 HRS – 2400 HRS150MW AT RGCCPP EXBUS POINT for 31 days

KE

RA

LA


WR

NRPSEB



APPLICATION PROCESSING FEE

Rs 5000 PER TRANSACTION

TRANSMISSION CHARGES PER MW PER DAY

1. Rs 700.91 FOR CTU-SR

2. Rs 881.49 FOR SR-WR LINK

3. Rs 339.98 FOR CTU-WR

4. Rs 233.32 FOR WR-NR LINK

5. Rs 649.86 FOR CTU-NR

6. Rs 672.07 FOR KSEB

SCHEDULING CHARGES PER DAY

1. Rs 3000 FOR SRLDC

2. Rs 3000 FOR WRLDC

3. Rs 3000 FOR NRLDC

4. Rs 3000 FOR KSEB

TOTAL TRANSMISSION CHARGES PER

UNIT 15.12Ps

Payments as per Regulation 2004 of CERC

SR

KE

RA

LA


WR

NR





TRANSMISSION CHARGES PER MW PER DAY

1. Rs 843 FOR CTU-SR

2. Rs 1311 FOR SR-WR LINK

3. Rs 357 FOR CTU-WR

4. Rs 600 FOR WR-NR LINK

5. Rs 594 FOR CTU-NR

6. Rs 672.07 FOR KSEB





4. Rs 1000 FOR KSEB


UNIT 18.5Ps

Payments as per Regulation 2004 Amendment 2005) of CERC


PSEB

SR

KE

RA

LA


WR

NRPSEB





TRANSMISSION CHARGES PER MWHR

1. Rs 90 FOR Bilateral Wheeling

through one or more region

1. Rs 30 FOR KSEB





4. Rs 2000 FOR KSEB


UNIT 12.2Ps


Payments as per Regulation 2008 of CERC



(06.05.2004 to 31.03.2005)(06.05.2004 to 31.03.2005)


(w.e.f. 01.04.2005 to (w.e.f. 01.04.2005 to

31.03.2008)31.03.2008)


(w.e.f. 01.04.2008)(w.e.f. 01.04.2008)

Total STOA Charges Paisa/Unit

15.12


18.5


12.2

Back

STOA OF NBVL(ORISSA) - APPCC (0000 – 2400 HRSSTOA OF NBVL(ORISSA) - APPCC (0000 – 2400 HRS) ) 50 MW AT INJECTION POINT FROM 01.03.08 to 31.03.08MW AT INJECTION POINT FROM 01.03.08 to 31.03.08

ORISSA

SR

CTU

HVDC BACK TO BACK AT GAZUWAKA IN SR

ER

EXPORT AT NBVL(ORISSA) 50 MW

AT ER-SR PERIPHERY 47.05 MW

LOSSES IN ER 3%

LOSSES IN SR 3.12%

TOTAL LOSSES FOR TRANSACTION 4.42 MW

APPCC RECEIVES 45.58 MW

ANDHRA PRADESH

LOSSES IN OPTCL SYSTEM 3%

AT ER PERIPHERY 48.50 MW

NBVL

NAVABHARAT(NBVL) (ORISSA)(ER) to

APPCC (ANDHRA)(SR)

50 MW for 31 days on Round the Clock basis

Consent was not given by OPTCL by citing the following Reasons

As per provision under chapter 4.11,10.5 of OGC Rule 2006 and order dated 29.10.2007 passed by Hon’ble OERC, the real time data of the CGP,(M/s NBVL) is yet to be received at the SLDC, Control Room.

In absence of real time data monitoring facility, SLDC cannot

comply the OGC provision under chapter 3.4(9) during

contingency condition.

Due to the above reasons the Request for Consent is not

accepted.

Consent was not given by KPTCL by citing the following Reasons

The Sugar companies started trading of the surplus power by applying through open access .But initially KPTCL has not consented by citing the reason that the sugar companies are having PPA with ESCOMs.Later the Sugar companies have approached CERC and CERC allowed them to trade under open access.

Aggreived by the order of CERC, KPTCL has approached the Appellate Tribunal. The Tribunal said that if any petition is filed , the state commission shall consider the same. But the existing open access arrangement to continue.

open access experiances and way ahead on 28-04-2008 v k agrawal, general manager in workshop on grid...

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