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128068RECLASSIFY CONTINGENCY09/07/2025 07:27:45 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(s) to maintain power system security at 1925 hrs 09/07/2025.
Constraint set(s) invoked:
I-VS_250
Duration: 1925 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 1925 hrs 09/07/2025.
Constraint set(s) invoked:
I-VS_250
Duration: 1925 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
128064RECLASSIFY CONTINGENCY09/07/2025 05:16:21 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: 1710 hrs 09/07/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127998
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: 1710 hrs 09/07/2025
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 127998
Manager NEM Real Time Operations
128063NON-CONFORMANCE09/07/2025 04:30:16 PM
NON-CONFORMANCE Region VIC1 Wednesday, 9 July 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Wednesday, 9 July 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MOKOSF1
Duration: 09/07/2025 12:55 to 09/07/2025 16:30
Amount: 15 MW
Constraint: NC-V_MOKOSF1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Wednesday, 9 July 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MOKOSF1
Duration: 09/07/2025 12:55 to 09/07/2025 16:30
Amount: 15 MW
Constraint: NC-V_MOKOSF1
Auto-generated on behalf of Manager NEM Real Time Operations
128060PRICES UNCHANGED09/07/2025 02:05:28 PM
[EventId:202507091345_confirmed] Prices for interval 09-Jul-2025 13:45 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 13:45.
In accordance with Market Notice 128050 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 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 13:45.
In accordance with Market Notice 128050 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.
128059PRICES UNCHANGED09/07/2025 02:05:28 PM
[EventId:202507091405_confirmed] Prices for interval 09-Jul-2025 14:05 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 14:05.
In accordance with Market Notice 128054 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 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 14:05.
In accordance with Market Notice 128054 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.
128058PRICES UNCHANGED09/07/2025 02:05:28 PM
[EventId:202507091400_confirmed] Prices for interval 09-Jul-2025 14:00 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 14:00.
In accordance with Market Notice 128053 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 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 14:00.
In accordance with Market Notice 128053 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.
128057PRICES UNCHANGED09/07/2025 02:05:27 PM
[EventId:202507091355_confirmed] Prices for interval 09-Jul-2025 13:55 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 13:55.
In accordance with Market Notice 128052 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 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 13:55.
In accordance with Market Notice 128052 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.
128056PRICES UNCHANGED09/07/2025 02:05:25 PM
[EventId:202507091350_confirmed] Prices for interval 09-Jul-2025 13:50 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 13:50.
In accordance with Market Notice 128051 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 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 13:50.
In accordance with Market Notice 128051 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.
128055PRICES UNCHANGED09/07/2025 02:05:28 PM
[EventId:202507091340_confirmed] Prices for interval 09-Jul-2025 13:40 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 13:40.
In accordance with Market Notice 128049 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 1405 hrs on 9 July 2025
PRICES ARE NOW CONFIRMED for trading interval 09-Jul-2025 13:40.
In accordance with Market Notice 128049 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.