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124077MARKET SYSTEMS04/02/2025 02:17:21 PM
CHG0101137 | Completed | Production | Planned Maintenance to Norwest Marketnet Site to Site VPN Router
Change Number: CHG0101137
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Local Area Network
Change Title: Planned Maintenance to Norwest Marketnet Site to Site VPN Router
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Local Area Network
Change Title: Planned Maintenance to Norwest Marketnet Site to Site VPN Router
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
124069SETTLEMENTS RESIDUE04/02/2025 01:15:58 PM
[EventId:202502041300_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 04 February 2025 13:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 4 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 4 February 2025.
Refer to market notice: 124064
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1300 hrs on 4 February 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 4 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 4 February 2025.
Refer to market notice: 124064
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1300 hrs on 4 February 2025.
This is an AEMO autogenerated Market Notice.
124064SETTLEMENTS RESIDUE04/02/2025 11:35:33 AM
[EventId:202502041135_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 04 February 2025 11:35
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1135 hrs on 4 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 4 February 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1135 hrs on 4 February 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
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 1135 hrs on 4 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 4 February 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 1135 hrs on 4 February 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
124059RESERVE NOTICE04/02/2025 04:02:18 AM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 04/02/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 124049 has been updated at 0400 hrs 04/02/2025 to the following:
[1.] From 1630 hrs 04/02/2025 to 2030 hrs 04/02/2025.
The forecast capacity reserve requirement is 1703 MW.
The minimum capacity reserve available is 1136 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 124049 has been updated at 0400 hrs 04/02/2025 to the following:
[1.] From 1630 hrs 04/02/2025 to 2030 hrs 04/02/2025.
The forecast capacity reserve requirement is 1703 MW.
The minimum capacity reserve available is 1136 MW.
Manager NEM Real Time Operations
124049RESERVE NOTICE03/02/2025 04:19:18 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 04/02/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:
[1.] From 1630 hrs 04/02/2025 to 2030 hrs 04/02/2025.
The forecast capacity reserve requirement is 1795 MW.
The minimum capacity reserve available is 1191 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 NSW region for the following Period:
[1.] From 1630 hrs 04/02/2025 to 2030 hrs 04/02/2025.
The forecast capacity reserve requirement is 1795 MW.
The minimum capacity reserve available is 1191 MW.
Manager NEM Real Time Operations
124044POWER SYSTEM EVENTS03/02/2025 02:13:15 PM
Update - Non-credible contingency event - TAS region - 03/02/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - TAS region - 03/02/2025
Refer AEMO Electricity Market Notice 124043
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Farrell - Reece No.1 and No.2 220 kV lines
Duration: 1410 hrs 03/02/2025 until further notice
Constraint set(s) invoked: F-T-FARE_N-2
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 03/02/2025
Refer AEMO Electricity Market Notice 124043
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Farrell - Reece No.1 and No.2 220 kV lines
Duration: 1410 hrs 03/02/2025 until further notice
Constraint set(s) invoked: F-T-FARE_N-2
Manager NEM Real Time Operations
124043POWER SYSTEM EVENTS03/02/2025 02:02:24 PM
Non-credible contingency event - TAS region - 03/02/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 03/02/2025
At 1333 hrs the Farrell - Reece No.1 and No.2 220 kV lines tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 03/02/2025
At 1333 hrs the Farrell - Reece No.1 and No.2 220 kV lines tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
124039RESERVE NOTICE03/02/2025 10:39:23 AM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the VIC Region on 03/02/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the VIC region advised in AEMO Electricity Market Notice No. 124025 is cancelled at 1015 hrs 03/02/2025.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the VIC region advised in AEMO Electricity Market Notice No. 124025 is cancelled at 1015 hrs 03/02/2025.
Manager NEM Real Time Operations
124038RESERVE NOTICE03/02/2025 10:32:42 AM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 03/02/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 124034 has been updated to the following:
[1.] From 1930 hrs 03/02/2025 to 2000 hrs 03/02/2025.
The forecast capacity reserve requirement is 583 MW.
The minimum capacity reserve available is 516 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 124034 has been updated to the following:
[1.] From 1930 hrs 03/02/2025 to 2000 hrs 03/02/2025.
The forecast capacity reserve requirement is 583 MW.
The minimum capacity reserve available is 516 MW.
Manager NEM Real Time Operations