1. OPEN ACCES IN
INTER-STATE
TRANSMISSION

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

3. 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.

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

5. Trader
Buyer
seller

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

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

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

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

10. Trader
Scheduling of power
Nodal RLDC
RLDC
SLDC1
SLDC2
power flow

11. 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

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

13. 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

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

15. 1OOMW NR ER 1OOMW WR 1OOMW 1OOMW SR 1OOMW POC Charges J&k WB AP MPSEB
KSEB
1OOMW
POC Charges

16. 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

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

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

19. Import of 100MW by AptranscoNR
2.72%
RAJASTHAN NR
DVC ER WB
POC / STOA CHARGES(Rs)
RAJASTAN /
DVC /
CSPTCL /
KERALA /
3.80%
2.40% WR
CSPTCL-WR ER
APTRANSCO SR SR
4.6%
KERALA
POC/ STOA charges..\nrc