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128328PRICES UNCHANGED25/07/2025 05:10:20 PM
[EventId:202507251705_confirmed] Prices for interval 25-Jul-2025 17:05 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1710 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:05.
In accordance with Market Notice 128323 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1710 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:05.
In accordance with Market Notice 128323 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
128327PRICES UNCHANGED25/07/2025 05:10:20 PM
[EventId:202507251700_confirmed] Prices for interval 25-Jul-2025 17:00 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1710 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:00.
In accordance with Market Notice 128322 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1710 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 17:00.
In accordance with Market Notice 128322 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
128326PRICES UNCHANGED25/07/2025 05:10:20 PM
[EventId:202507251655_confirmed] Prices for interval 25-Jul-2025 16:55 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1710 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 16:55.
In accordance with Market Notice 128321 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1710 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 16:55.
In accordance with Market Notice 128321 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
128325PRICES UNCHANGED25/07/2025 05:10:19 PM
[EventId:202507251650_confirmed] Prices for interval 25-Jul-2025 16:50 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1710 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 16:50.
In accordance with Market Notice 128320 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1710 hrs on 25 July 2025
PRICES ARE NOW CONFIRMED for trading interval 25-Jul-2025 16:50.
In accordance with Market Notice 128320 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
128317RESERVE NOTICE25/07/2025 03:07:49 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 28/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 128313 is cancelled at 1400 hrs 25/07/2025.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 128313 is cancelled at 1400 hrs 25/07/2025.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
128315RECLASSIFY CONTINGENCY25/07/2025 01:31:20 PM
Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal condition/s - 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 128312 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1330 hrs 25/07/2025
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 128312 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1330 hrs 25/07/2025
Constraint set(s) revoked: I-VS_250
Manager NEM Real Time Operations
128313RESERVE NOTICE25/07/2025 10:27:08 AM
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 28/07/2025
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:
From 0730 hrs to 0900 hrs 28/07/2025.
The forecast capacity reserve requirement is 563 MW.
The minimum capacity reserve available is 536 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.
AEMO 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:
From 0730 hrs to 0900 hrs 28/07/2025.
The forecast capacity reserve requirement is 563 MW.
The minimum capacity reserve available is 536 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.
AEMO Operations
128312RECLASSIFY CONTINGENCY25/07/2025 08:49:28 AM
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(s) to maintain power system security at 0850 hrs 25/07/2025.
Constraint set(s) invoked:
I-VS_250
Duration: 0850 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(s) to maintain power system security at 0850 hrs 25/07/2025.
Constraint set(s) invoked:
I-VS_250
Duration: 0850 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
128304RECLASSIFY CONTINGENCY25/07/2025 01:13:18 AM
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.
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 to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Duration: 0115 hrs 25/07/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
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 to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: SA
Lines: Para-Templers West and Magill-Torrens Island A 275kV lines
Duration: 0115 hrs 25/07/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations