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Managing outages that create a credible risk of SA islanding
From 9th Oct 2024 AEMO will change constraints used during outages that create a credible risk of SA islanding.
From this date AEMO will:
1) Increase the maximum allowable flow on the V-SA interconnector from 50 MW to 250 MW in the VIC to SA direction, where the transmission outages is a planned outage.
2) Operate the SA region to the default 49-51 Hz target frequency containment band following a contingency event resulting in actual SA islanding. In order to meet this requirement, AEMO may now procure Contingency Raise FCAS locally from the SA region during these outages.
These changes reflect updated advice received by AEMO from the SA Jurisdictional System Security Coordinator.
The first network outage affected by this change is planned for 14th October 2024.
Andrew Groom
AEMO Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 08/10/2024
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 118644 is cancelled at 1415 hrs 07/10/2024.
Manager NEM Real Time Operations
STPASA - Forecast Minimum System Load 1 (MSL1) in the VIC Region on 12/10/2024
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region from 1200 hrs 12/10/2024 to 1400 hrs 12/10/2024.
Minimum regional demand is forecast to be 1646 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1815 MW
o MSL2 - 1315 MW
o MSL3 - 815 MW
MSL events are forecast when forecast regional demand is less than the relevant MSL threshold. The forecast regional demand is below the MSL1 threshold.
AEMO Operations
STPASA - Forecast Minimum System Load 1 (MSL1) in the VIC Region on 13/10/2024
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region from 1100 hrs 13/10/2024 to 1400 hrs 13/10/2024.
Minimum regional demand is forecast to be 1623 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1865 MW
o MSL2 - 1365 MW
o MSL3 - 865 MW
MSL events are forecast when forecast regional demand is less than the relevant MSL threshold. The forecast regional demand is below the MSL1 threshold.
AEMO Operations
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 08/10/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Periods:
[1.] From 1530 hrs 08/10/2024 to 1600 hrs 08/10/2024.
The forecast capacity reserve requirement is 719 MW.
The minimum capacity reserve available is 615 MW.
[2.] From 1730 hrs 08/10/2024 to 1900 hrs 08/10/2024.
The forecast capacity reserve requirement is 692 MW.
The minimum capacity reserve available is 475 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
STPASA - Update to the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 08/10/2024
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 118637 has been updated at 1000 hrs 07/10/2024 to the following:
[1.] From 1530 hrs 1600 hrs 08/10/2024.
The forecast capacity reserve requirement is 783 MW.
The minimum capacity reserve available is 608 MW.
[2.] From 1730 hrs to 1930 hrs 08/10/2024.
The forecast capacity reserve requirement is 755 MW.
The minimum capacity reserve available is 467 MW.
AEMO is seeking a market response.
AEMO Operations.
STPASA - Update to the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 08/10/2024
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 118636 has been updated at 1000 hrs 07/10/2024 to the following:
[1.] From 1530 hrs to 1600 hrs 08/10/2024.
The forecast capacity reserve requirement is 774 MW.
The minimum capacity reserve available is 722 MW.
[2.] From 1700 hrs to 2000 hrs 08/10/2024.
The forecast capacity reserve requirement is 738 MW.
The minimum capacity reserve available is 280 MW.
AEMO is seeking a market response.
AEMO Operations.
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 08/10/2024
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 118628 has been updated at 0700 hrs 07/10/2024 to the following:
From 1700 hrs to 2000 hrs 08/10/2024.
The forecast capacity reserve requirement is 710 MW.
The minimum capacity reserve available is 224 MW.
AEMO is seeking a market response.
AEMO Operations.
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 08/10/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period[s]:
[1.] From 1730 hrs 08/10/2024 to 2000 hrs 08/10/2024.
The forecast capacity reserve requirement is 846 MW.
The minimum capacity reserve available is 438 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations