Market Notices

128382RECLASSIFY CONTINGENCY27/07/2025 05:24:31 PM

Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 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: NSW1

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

Cancellation time: 27/07/2025 17:24

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


Refer AEMO Electricity Market Notice 128381

Auto-generated on behalf of Manager NEM Real Time Operations
     
128381RECLASSIFY CONTINGENCY27/07/2025 04:22:05 PM

Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.

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: 27/07/2025 16:22 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
     
128378NON-CONFORMANCE26/07/2025 09:25:25 PM

NON-CONFORMANCE Region QLD1 Saturday, 26 July 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Saturday, 26 July 2025

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

Unit: ULPBESS1
Duration: 26/07/2025 21:15 to 26/07/2025 21:25
Amount: 6 MW
Constraint: NC-Q_ULPBESS1

Auto-generated on behalf of Manager NEM Real Time Operations
     
128375NON-CONFORMANCE26/07/2025 02:05:19 PM

NON-CONFORMANCE Region VIC1 Saturday, 26 July 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Saturday, 26 July 2025

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

Unit: KESSB1
Duration: 26/07/2025 13:40 to 26/07/2025 14:05
Amount: 55 MW
Constraint: NC-V_KESSB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
128374NON-CONFORMANCE26/07/2025 01:00:19 PM

NON-CONFORMANCE Region VIC1 Saturday, 26 July 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Saturday, 26 July 2025

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

Unit: RANGEB1
Duration: 26/07/2025 12:45 to 26/07/2025 13:00
Amount: 102 MW
Constraint: NC-V_RANGEB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
128372PRICES UNCHANGED26/07/2025 10:05:19 AM

[EventId:202507260945_confirmed] Prices for interval 26-Jul-2025 09:45 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1005 hrs on 26 July 2025

PRICES ARE NOW CONFIRMED for trading interval 26-Jul-2025 09:45.

In accordance with Market Notice 128362 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.
     
128371PRICES UNCHANGED26/07/2025 10:05:19 AM

[EventId:202507261005_confirmed] Prices for interval 26-Jul-2025 10:05 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1005 hrs on 26 July 2025

PRICES ARE NOW CONFIRMED for trading interval 26-Jul-2025 10:05.

In accordance with Market Notice 128366 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.
     
128370PRICES UNCHANGED26/07/2025 10:05:19 AM

[EventId:202507261000_confirmed] Prices for interval 26-Jul-2025 10:00 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1005 hrs on 26 July 2025

PRICES ARE NOW CONFIRMED for trading interval 26-Jul-2025 10:00.

In accordance with Market Notice 128365 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.
     
128369PRICES UNCHANGED26/07/2025 10:05:19 AM

[EventId:202507260955_confirmed] Prices for interval 26-Jul-2025 09:55 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1005 hrs on 26 July 2025

PRICES ARE NOW CONFIRMED for trading interval 26-Jul-2025 09:55.

In accordance with Market Notice 128364 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.
     
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