Market Notices

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. 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: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 01/08/2025 13:06 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 31 July 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: HUNTER1
Duration: 31/07/2025 15:05 to 31/07/2025 15:35
Amount: -6 MW
Constraint: NC-N_HUNTER1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Cancellation: Reclassification of non-credible contingency event - QLD region - 22/02/2021

Refer AEMO Electricity Market Notice 82959

Elements: South Pine SVC and the Mount England - Wivenhoe Power Station No 824 275 kV line
AEMO considers the occurrence of a non-credible contingency event is no longer reasonably possible and accordingly its classification has reverted to non-credible.

Cancellation time: 1000 hrs 30/07/2025.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025

PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:15.

In accordance with Market Notice 128391 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.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025

PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:40.

In accordance with Market Notice 128396 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.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025

PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:35.

In accordance with Market Notice 128395 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.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025

PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:30.

In accordance with Market Notice 128394 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.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025

PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:25.

In accordance with Market Notice 128393 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.

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1040 hrs on 29 July 2025

PRICES ARE NOW CONFIRMED for trading interval 29-Jul-2025 10:20.

In accordance with Market Notice 128392 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.