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Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - SA region.
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
[EventId:202506071610_confirmed] Prices for interval 07-Jun-2025 16:10 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 7 June 2025
PRICES ARE NOW CONFIRMED for trading interval 07-Jun-2025 16:10.
In accordance with Market Notice 127460 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.
[EventId:202506071630_confirmed] Prices for interval 07-Jun-2025 16:30 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 7 June 2025
PRICES ARE NOW CONFIRMED for trading interval 07-Jun-2025 16:30.
In accordance with Market Notice 127464 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.
[EventId:202506071625_confirmed] Prices for interval 07-Jun-2025 16:25 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 7 June 2025
PRICES ARE NOW CONFIRMED for trading interval 07-Jun-2025 16:25.
In accordance with Market Notice 127463 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.
[EventId:202506071620_confirmed] Prices for interval 07-Jun-2025 16:20 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 7 June 2025
PRICES ARE NOW CONFIRMED for trading interval 07-Jun-2025 16:20.
In accordance with Market Notice 127462 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.
[EventId:202506071615_confirmed] Prices for interval 07-Jun-2025 16:15 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 7 June 2025
PRICES ARE NOW CONFIRMED for trading interval 07-Jun-2025 16:15.
In accordance with Market Notice 127461 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.
[EventId:202506071605_confirmed] Prices for interval 07-Jun-2025 16:05 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 7 June 2025
PRICES ARE NOW CONFIRMED for trading interval 07-Jun-2025 16:05.
In accordance with Market Notice 127458 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.
Reclassification of non-credible contingency event due to existence of widespread abnormal condition/s - SA region.
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
Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 due to Lightning.
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