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118672CONSTRAINTS08/10/2024 01:13:36 PM
Managing outages that create a credible risk of SA islanding
AEMO ELECTRICITY MARKET NOTICE
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
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
118670SETTLEMENTS RESIDUE08/10/2024 12:35:22 PM
[EventId:202410081235_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 October 2024 12:35
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1235 hrs on 8 October 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 October 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1235 hrs on 8 October 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1235 hrs on 8 October 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 October 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1235 hrs on 8 October 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
118669SETTLEMENTS RESIDUE08/10/2024 11:00:27 AM
[EventId:202410081100_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 October 2024 11:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 8 October 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 October 2024.
Refer to market notice: 118667
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1100 hrs on 8 October 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 8 October 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 October 2024.
Refer to market notice: 118667
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1100 hrs on 8 October 2024.
This is an AEMO autogenerated Market Notice.
118667SETTLEMENTS RESIDUE08/10/2024 09:35:24 AM
[EventId:202410080935_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 October 2024 09:35
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0935 hrs on 8 October 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 October 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 0935 hrs on 8 October 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0935 hrs on 8 October 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 October 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 0935 hrs on 8 October 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
118666RESERVE NOTICE08/10/2024 05:58:20 AM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 08/10/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 118665 is cancelled at 0555 hrs 08/10/2024.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 118665 is cancelled at 0555 hrs 08/10/2024.
Manager NEM Real Time Operations
118665RESERVE NOTICE07/10/2024 11:08:07 PM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 08/10/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 118664 has been updated at 2300 hrs to the following:
[1.] From 1730 hrs 08/10/2024 to 1900 hrs 08/10/2024.
The forecast capacity reserve requirement is 1198 MW.
The minimum capacity reserve available is 1045 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 118664 has been updated at 2300 hrs to the following:
[1.] From 1730 hrs 08/10/2024 to 1900 hrs 08/10/2024.
The forecast capacity reserve requirement is 1198 MW.
The minimum capacity reserve available is 1045 MW.
Manager NEM Real Time Operations
118664RESERVE NOTICE07/10/2024 09:31:50 PM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 08/10/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 118648 has been updated at 2130 hrs to the following:
[1.] From 1730 hrs 08/10/2024 to 1930 hrs 08/10/2024.
The forecast capacity reserve requirement is 1187 MW.
The minimum capacity reserve available is 863 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 118648 has been updated at 2130 hrs to the following:
[1.] From 1730 hrs 08/10/2024 to 1930 hrs 08/10/2024.
The forecast capacity reserve requirement is 1187 MW.
The minimum capacity reserve available is 863 MW.
Manager NEM Real Time Operations
118648RESERVE NOTICE07/10/2024 02:31:27 PM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 08/10/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 118642 has been updated at 1430 hrs to the following:
[1.] From 1730 hrs 08/10/2024 to 1900 hrs 08/10/2024.
The forecast capacity reserve requirement is 1166 MW.
The minimum capacity reserve available is 1005 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the QLD region advised in AEMO Electricity Market Notice No. 118642 has been updated at 1430 hrs to the following:
[1.] From 1730 hrs 08/10/2024 to 1900 hrs 08/10/2024.
The forecast capacity reserve requirement is 1166 MW.
The minimum capacity reserve available is 1005 MW.
Manager NEM Real Time Operations
118642RESERVE NOTICE07/10/2024 01:15:46 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 08/10/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Periods:
[1.] From 1700 hrs 08/10/2024 to 1730 hrs 08/10/2024.
The forecast capacity reserve requirement is 1147 MW.
The minimum capacity reserve available is 904 MW.
[2.] From 1900 hrs 08/10/2024 to 2200 hrs 08/10/2024.
The forecast capacity reserve requirement is 1187 MW.
The minimum capacity reserve available is 731 MW.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Periods:
[1.] From 1700 hrs 08/10/2024 to 1730 hrs 08/10/2024.
The forecast capacity reserve requirement is 1147 MW.
The minimum capacity reserve available is 904 MW.
[2.] From 1900 hrs 08/10/2024 to 2200 hrs 08/10/2024.
The forecast capacity reserve requirement is 1187 MW.
The minimum capacity reserve available is 731 MW.
Manager NEM Real Time Operations