TIME TABLE OF INTERACTION BETWEEN ISGS, SLDCs AND NRLDC FOR SCHEDULING
A. FOR PREPARATION OF NEXT DAY'S SCHEDULE:
|
Time |
Interaction |
Purpose |
|
|
|
|
|
By 1000 Hrs |
ISGS to NRLDC |
Availability forecast, time-wise for next day |
|
By 1100 Hrs |
NRLDC to SLDCs |
Anticipated ISGS wise entitlement for the next day |
|
By 1500 Hrs |
SLDCs to NRLDC |
ISGS wise requisition, demand, bilateral arrangements etc., anticipated for the next day |
|
By 1700 Hrs |
NRLDC to ISGS / SLDCs |
Final generation schedule to ISGS & net drawal schedule to SLDCs for the next day |
|
By 2200 Hrs |
Any ISGS / SLDC to NRLDC |
Changes in availability / requisition, if any for the next day |
|
By 2300 Hrs |
NRLDC to ISGS / SLDCs |
Revised and final generation schedule to ISGS & net drawal schedule to SLDCs respectively for the next day |
B. FOR REVISION OF CURRENT DAY SCHEDULES
|
Sr. No. |
Event |
Revision Effective From
|
|
1. |
Forced outage of an ISGS Unit |
4th Time block after the generator advises NRLDC of change in declared capability |
|
2. |
Transmission Constraint |
4th Time block + post facto revisions for the first three time blocks |
|
3. |
Revision of ISGS Capability |
6th Time block |
|
4. |
Revision of requisition by any beneficiary |
6th Time block |
|
5. |
Suo-moto revisions by NRLDC |
4th Time block |
Note :
(a) The time block in which the request for revision has been received in NRLDC shall be considered as the first time block.
(b) For different events as stated above, the revision shall be implemented with effect from the begining of the 4th/ 6th time block.