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127484MARKET SYSTEMS09/06/2025 01:25:11 AM
INC0145687 - RESOLVED - Frequency Performance Payments (FPP) System
INC0145687 - RESOLVED - Frequency Performance Payments (FPP) System
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION - RESOLVED
The service interruption relating to Frequency Performance Payments (FPP) System has been resolved.
The FPP System started normal operations from 00:25 Hrs AEST on 09/06/2025
Default Contribution Factors (DCFs) will be used for Regulation Frequency Control Ancillary Service (FCAS) recovery for the trading intervals where CFs were not calculated. No FPP amount will be paid or due for those Trading Intervals.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
AEMO ELECTRICITY MARKET NOTICE
SERVICE INTERRUPTION - RESOLVED
The service interruption relating to Frequency Performance Payments (FPP) System has been resolved.
The FPP System started normal operations from 00:25 Hrs AEST on 09/06/2025
Default Contribution Factors (DCFs) will be used for Regulation Frequency Control Ancillary Service (FCAS) recovery for the trading intervals where CFs were not calculated. No FPP amount will be paid or due for those Trading Intervals.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
127479RESERVE NOTICE08/06/2025 02:30:43 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the VIC Region on 10/06/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the VIC region advised in AEMO Electricity Market Notice No. 127454 has been updated to the following:
[1.] From 0700 hrs 10/06/2025 to 0930 hrs 10/06/2025.
The forecast capacity reserve requirement is 1163 MW.
The minimum capacity reserve available is 885 MW.
[2.] From 1630 hrs 10/06/2025 to 1700 hrs 10/06/2025.
The forecast capacity reserve requirement is 1163 MW.
The minimum capacity reserve available is 1105 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the VIC region advised in AEMO Electricity Market Notice No. 127454 has been updated to the following:
[1.] From 0700 hrs 10/06/2025 to 0930 hrs 10/06/2025.
The forecast capacity reserve requirement is 1163 MW.
The minimum capacity reserve available is 885 MW.
[2.] From 1630 hrs 10/06/2025 to 1700 hrs 10/06/2025.
The forecast capacity reserve requirement is 1163 MW.
The minimum capacity reserve available is 1105 MW.
Manager NEM Real Time Operations
127478RESERVE NOTICE08/06/2025 02:30:31 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/06/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127402 has been updated to the following:
[1.] From 1700 hrs 12/06/2025 to 2100 hrs 12/06/2025.
The forecast capacity reserve requirement is 1691 MW.
The minimum capacity reserve available is 1532 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127402 has been updated to the following:
[1.] From 1700 hrs 12/06/2025 to 2100 hrs 12/06/2025.
The forecast capacity reserve requirement is 1691 MW.
The minimum capacity reserve available is 1532 MW.
Manager NEM Real Time Operations
127473RECLASSIFY CONTINGENCY07/06/2025 11:47:43 PM
Cancellation of the reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 2345 hrs 7/06/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127419
Manager NEM Real Time Operations
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Cancellation time: 2345 hrs 7/06/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127419
Manager NEM Real Time Operations
127472RECLASSIFY CONTINGENCY07/06/2025 11:47:22 PM
Cancellation of the reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning .
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 2345 hrs 7/06/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127418
Manager NEM Real Time Operations
Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.
AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: SA
Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines
Cancellation time: 2345 hrs 7/06/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127418
Manager NEM Real Time Operations
127471RECLASSIFY CONTINGENCY07/06/2025 11:47:12 PM
Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - SA region.
AEMO ELECTRICITY MARKET NOTICE.
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 127450 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 2345 hrs 7/06/2025
Constraint set(s) revoked:
I-VS_250
Manager NEM Real Time Operations
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 127450 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 2345 hrs 7/06/2025
Constraint set(s) revoked:
I-VS_250
Manager NEM Real Time Operations
127454RESERVE NOTICE07/06/2025 02:23:34 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the VIC Region on 10/06/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the VIC region for the following periods:
From 0730 hrs 10/06/2025 to 0900 hrs 10/06/2025.
The forecast capacity reserve requirement is 1163 MW.
The minimum capacity reserve available is 925 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the VIC region for the following periods:
From 0730 hrs 10/06/2025 to 0900 hrs 10/06/2025.
The forecast capacity reserve requirement is 1163 MW.
The minimum capacity reserve available is 925 MW.
AEMO Operations
127450RECLASSIFY CONTINGENCY07/06/2025 12:51:59 PM
Reclassification of non-credible contingency event due to existence of widespread abnormal condition/s - SA region.
AEMO ELECTRICITY MARKET NOTICE.
AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible because of the existence of widespread abnormal conditions namely severe weather in the SA region.
AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.
AEMO has taken the following action to maintain power system security at 1250 hrs 07/06/2025.
Constraint set invoked:
I-VS_250
Duration: 1255 hrs until further notice
Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).
Manager NEM Real Time Operations
AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible because of the existence of widespread abnormal conditions namely severe weather in the SA region.
AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.
AEMO has taken the following action to maintain power system security at 1250 hrs 07/06/2025.
Constraint set invoked:
I-VS_250
Duration: 1255 hrs until further notice
Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).
Manager NEM Real Time Operations
127444RECLASSIFY CONTINGENCY07/06/2025 09:44:30 AM
Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Cancellation time: 07/06/2025 09:44
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 127434
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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Cancellation time: 07/06/2025 09:44
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 127434
Auto-generated on behalf of Manager NEM Real Time Operations