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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
124042RESERVE NOTICE03/02/2025 01:56:10 PM
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 03/02/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 1900 hrs 03/02/2025 to 2000 hrs 03/02/2025.
The forecast capacity reserve requirement is 350 MW.
The minimum capacity reserve available is 243 MW.
AEMO is seeking a market response.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 1900 hrs 03/02/2025 to 2000 hrs 03/02/2025.
The forecast capacity reserve requirement is 350 MW.
The minimum capacity reserve available is 243 MW.
AEMO is seeking a market response.
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
124037RESERVE NOTICE03/02/2025 10:24:52 AM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 03/02/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 124033 is cancelled at 1015 hrs 03/02/2025.
Manager NEM Real Time Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 124033 is cancelled at 1015 hrs 03/02/2025.
Manager NEM Real Time Operations
124034RESERVE NOTICE03/02/2025 04:54:30 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. 124026 has been updated at 0445 hrs 03/02/2025 to the following:
[1.] From 1800 hrs 03/02/2025 to 1830 hrs 03/02/2025.
The forecast capacity reserve requirement is 598 MW.
The minimum capacity reserve available is 419 MW.
[2.] From 1930 hrs 03/02/2025 to 2030 hrs 03/02/2025.
The forecast capacity reserve requirement is 617 MW.
The minimum capacity reserve available is 380 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 124026 has been updated at 0445 hrs 03/02/2025 to the following:
[1.] From 1800 hrs 03/02/2025 to 1830 hrs 03/02/2025.
The forecast capacity reserve requirement is 598 MW.
The minimum capacity reserve available is 419 MW.
[2.] From 1930 hrs 03/02/2025 to 2030 hrs 03/02/2025.
The forecast capacity reserve requirement is 617 MW.
The minimum capacity reserve available is 380 MW.
Manager NEM Real Time Operations
124033RESERVE NOTICE03/02/2025 04:48:24 AM
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 03/02/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 1830 hrs 03/02/2025 to 1930 hrs 03/02/2025.
The forecast capacity reserve requirement is 371 MW.
The minimum capacity reserve available is 251 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
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 1830 hrs 03/02/2025 to 1930 hrs 03/02/2025.
The forecast capacity reserve requirement is 371 MW.
The minimum capacity reserve available is 251 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
124032RECLASSIFY CONTINGENCY03/02/2025 04:24:13 AM
Cancellation of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 kV line in VIC1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Cancellation time: 03/02/2025 04:24
Constraint set(s) revoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 124010
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Cancellation time: 03/02/2025 04:24
Constraint set(s) revoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 124010
Auto-generated on behalf of Manager NEM Real Time Operations