OPEN ACCES IN INTER-STATE TRANSMISSION.

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Presentation transcript:

OPEN ACCES IN INTER-STATE TRANSMISSION

Salient Features of CERC Order / Regulations Open Access customers categorized : Short-Term STOA - Upto Three Months. Medium –Term MTO - 3 months - Three years Long-Term LTOA - 12- 25 years All Open Access customers to abide by Indian Electricity Grid Code.

INTRODUCTION Open Access is necessary for utilisation of short time surpluses. Open Access will create options for distribution companies to buy power. Open Access will create opportunities for Generators to sell power. Open Access will provide means to the traders/buyers/sellers.

Agencies involved in Open Access Transaction RLDC (s) SLDC (s) CTU STU (s) Buyer Seller Trader

Trader Buyer seller

Trader Application (Rs.5000/-) Region 1 Region 2 Req for Consent RLDC SLDC1 Nodal RLDC SLDC2 Req for Consent

Trader CONSENT Region 1 Region 2 Consent RLDC Nodal RLDC SLDC1 SLDC2

Trader APPROVAL Region 1 Region 2 Acceptance for scheduling RLDC SLDC1 RLDC Acceptance for scheduling SLDC2 Nodal RLDC

Trader Region 1 Region 2 Stoa charges SLDC1 RLDC SLDC2 Nodal RLDC

Trader Scheduling of power Nodal RLDC RLDC SLDC1 SLDC2 power flow

Application Details Type of Application (ADV/FCFS/SD/DA) TRADER /APPLICANT Name INJECTING Utility DRAWEE Utility Application No. & Date TIME duration Applied ROUTE Quantity Intervening States/ Region Type of Application (ADV/FCFS/SD/DA) Period of transaction FROM Date TO Date

ER STOA TRANSACTIONS WR SR WBSEB MPSEB WHEELING IMPORT TNEB INTRA EXPORT KSEB RGCCPP

STOA CHARGES ERTS (up to Jun’11) WRTS SRTS TNEB SLDC RLDC RLDC RLDC WBSEB SLDC WRTS RLDC MPSEB RLDC SRTS RLDC TNEB KSEB CTU SLDC STU RGCCPP

NRTS J&k ERTS RLDC WB WRTS RLDC RLDC MPSEB SRTS AP KSEB POC Charges

1OOMW NR ER 1OOMW WR 1OOMW 1OOMW SR 1OOMW POC Charges J&k WB AP MPSEB KSEB 1OOMW POC Charges

Import of APTRANSCO from various Regions HVDC BACK TO BACK AT VINDHYACHAL IN WR RAJASTHAN NR DVC WB AJMER ER WR HVDC BACK TO BACK AT BHADRWATHI IN WR SR HVDC BACK TO BACK AT GAZUWAKA IN SR

POC charges for Import by Aptransco from various locations NR RAJASTHAN NR DVC ER WB POC CHARGES (Rs/MWH) Inj. Withdrawal RAJASTAN 100 150 DVC 140 100 CSPTCL 140 100 KERALA 110 110 APTRANSCO 150 110 WR CSPTCL-WR ER APTRANSCO SR SR KERALA POC

POC Transmission Losses for the Import by Aptransco NR 2.72% RAJASTHAN NR DVC ER WB POC losses (Zonal) applicable RAJASTAN 1.03% DVC 1.20% CSPTCL 2.20% KERALA 2.00% APTRANSCO 2.30% 3.80% 2.40% WR CSPTCL-WR ER APTRANSCO SR SR 4.6% KERALA POC charges..\nrc

Import of 100MW by Aptransco NR 2.72% RAJASTHAN NR DVC ER WB POC / STOA CHARGES(Rs) RAJASTAN 15120000 / 21711800 DVC 18000000 / 30351800 CSPTCL 18000000 / 44031800 KERALA 15840000 / 22311800 3.80% 2.40% WR CSPTCL-WR ER APTRANSCO SR SR 4.6% KERALA POC/ STOA charges..\nrc