1. Open Access

2. Open Access in ISTS:
CERC OA Regulations 2008
Collective transactions : Both Buyers and Sellers of to bear transmission charges and absorb transmission losses
Inter-Regional links -No Separate treatment.
Emphasis on “Scheduling” rather than “Reservation”
SLDC consent mandated along with application
In case of Congestion for Advance Reservation, e-Bidding without Price Cap
Exit Option provided with payment of up to 2 days open access charges.

3. - First Come First Serve - Day ahead - Contingency
Open Access in ISTS
CERC OA Regulations 2008
Products –
Short term Access
- Advance
- First Come First Serve
- Day ahead
- Contingency

4. Deadline for issue of approval by Nodal RLDC
Time lines for various Categories of Applications
Sl. No.
Type of Application
Deadline for applying
OA required for *
Deadline for issue of approval by Nodal RLDC 1
Advance Application
10 days prior to close of Month-1 M2
25th of M1
5days close of Month-1 M3
Last day of M1
Last day of Month-1 M4
5th of M2 2
First Come First Serve
FCFS for the same month M1
3 days before start of transaction
FCFS 4 days before commencement
28th of M1 3
Day Ahead
Day Ahead (Day-1 or 1500 hrs. of Day-3) D4
On D3After receipt of Power Exchange schedules for D-4 4
Contingency
After 15hrs on Day-3 or 1.5 hours before start of OA
Within 6 blocks before start of OA
* M-1 : Month-1 (Current month), M-2- Next month and so on, D-1 Day-1 and so on

5. Time Line for Advance, FCFS, DA and Contingency Applications
1500hrs
1.5hrs 20 25 5
Deadline for submission of DA Applications for transactions on D0
Processing time for RLDCs
Last Day for submission of Applications for transactions in M2, M3, M4
Deadline for submission of Contingency Applications for transactions during D0

6. Processing of Advance Applications for next 3 months
10/5/1 day (17.30hrs)
prior in a month for
2nd/3rd/4th month
Dead Line for Receipt of Application
Request for Consent from other RLDCs
Next Day to due date(12.00hrs)
Issue of Consent by RLDC
SAME DAY 20.00HRS
Next day 12.00hrs
Request
Applicant for a
revised Tr. Cap.
Next day 12.00hrs
WITHIN 5 DAYS No
Check for any Tr.
Congestion ?
Yes
Approval
Still Tr.
Congestion ?
Next day 11.00hrs No
Revised MW/Duration
by Applicant
Yes
E-bidding
4th day after due date
3 working days after issue.
Commence-
ment
of Tx.
Approval
Payment of
STOA ch.
WITHIN 5 DAYS

7. Processing of FCFS Applications for next month
5/4 day (17.30hrs)
prior in a month for
Dead Line for Receipt of Application
Request for Consent from other RLDCs
Next Day to due date(12.00hrs)
Issue of Consent by RLDC
SAME DAY 20.00HRS
Next day 12.00hrs
Approve
Applcations
received
in a day on
pro-rata
Yes No
Check margin is there ?
WITHIN 5 DAYS No
Any margin left ?
Yes
4th day after due date
3 working days after issue.
Commence-
ment
of Tx.
Approve Applications
Received in next day on pro-rata
Payment of
STOA ch.

8. REVISON OF SCHEDULE
Only in case of “Advance Scheduling” or “First-Cum-First Served basis”
minimum five (2) days notice (5days in 2008 Regn)
Transmission Charges and Operating Charges for 2 days (5days in 2008 Regn)
Margin Available – could be utilized for scheduling of other Open Access Transactions

9. CURTAILMENT IN CASE OF TRANSMISSION CONSTRAINTS
Allocation/Reallocation of ISGS power
Transmission constraint or to maintain grid security
curtailed in the manner, which in the opinion of RLDC, would relieve transmission constraints/ enhance grid security
Open Access Bilateral Transactions would generally be curtailed first followed by the Collective Transactions
Rerouting allowed without curtailment
refund of Transmission Charges for unused capacity

10. COMMERCIAL CONDITIONS
All Payment related to Open Access ST Charges
by Applicant to the Nodal RLDC
within three working days from the date of acceptance
Energy charges to be settled among the parties
Losses adjusted in kind
Application Fees (as per Para 7 of Regulation)
non-refundable fee of Rupees five thousand (Rs.5000/-) only
Transmission charges (Para 16 of Regulation)
Intra-region (Rs.80/MWh)
Adjacent Region (Rs. 160/MWh)
Wheeling (Rs.240/MWh)
STU charges – as specified by respective SERCs or Rs. 80/MWh
Operating charges (as per Para 17 of Regulation)
Rs. 2000/- per day each RLDCs/SLDCs involved

11. DISBURSAL OF PAYMENT Disburse the Open Access Charges
10th day of the next month
Transmission Charges and Operating Charges – for State System
Concerned STUs/SLDCs
Refund due to curtailment
15th day of the next month
Reconcile the Open Access Charges

12. OA laid Foundation for Market development
STOA – SUCCESS STORY
Developed in consultation with all stakeholders
Applications Processed (Since Beginning) > 60,000 No.
Volume (Approved Energy) (Since Beginning) > 190BUs
Applications Approved > 95 %
Refusal/Non-consent by SLDCs > %
Refusal due to system constraints < 0.5 %
OA laid Foundation for Market development 12

13. Full utilisation of IR links for STOA
STOA – SUCCESS STORY
Robust Financial Settlement System
Near Dispute free implementation
Logistics/infrastructure -In-house
Confidence Building & Dissemination of knowledge
Full utilisation of IR links for STOA 13

14. ST charges under OA
w.e.f , ST charges as per Point of Connection charge
Both seller and buyer to bear losses in kind as per the applicable Zonal losses

15. Thank you