Revised Weekly Constraints Update
Affected Period
Status
Closed
Category
Balancing
Run type
N/A
Created
05/10/2021 17:36
Last Updated
05/10/2021 17:40
EirGrid and SONI have published
a revised
weekly constraints update for the current Week 40.
The revision notes:
- The following units are
must run for security of supply, when available:
MP1,MP2, MP3, TYC, TB3, AD2, B10,and eitherK1, andorK2. - (Removal of PBB from Run
Hours Preservation (CT_HRS) group): To ensure that the equivalent
operating hours on AT2 and AT4
and PBBare effectively managed to minimize risks for margins across winter 2021/22. - NI Run Hour Preservation
and Minimum Generation constraints for K1 and K2 have been removed.
- (NI System Stability
group): There must be at least 3 machines on-load at all times in Northern
Ireland. Required for dynamic stability. B10, B31, B32, C30,
eitherK1,orK2.
The weekly constraints update is published every Friday evening on the General Publications page of SEM-O.com.