Market Notices

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the SA region - 24/09/2024

The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No.118433 is cancelled at 0120 hrs 25/09/2024.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 24/09/2024

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 2300 hrs.
The Actual LOR1 condition is forecast to exist until 0200 hrs

The capacity reserve requirement is 600 MW
The minimum capacity reserve available is 520 MW

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Reclassification of a Non Credible Contingency Event: Trip of Golden Plains No. 1 220 kV bus - Vic region - 20/08/2024

Refer to MN 117734

Based on advice from the asset owner, AEMO no longer considers the trip of Golden Plains No. 1 220 kV bus as a credible contingency event.


Therefore AEMO cancels the reclassification as a credible contingency event from 1450 hrs 24/09/2024.

Constraint Set revoked: NIL

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Tuesday, 24 September 2024

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

Unit: KSP1
Duration: 24/09/2024 09:20 to 24/09/2024 09:50
Amount: 48 MW
Constraint: NC-Q_KSP1

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AEMO ELECTRICITY MARKET NOTICE

Cancellation - Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024

Refer to MN 118393

Based on advice from the asset owner, AEMO no longer considers the simultaneous trip of Eraring Power Station Units 2 and 4 as a credible contingency event.


Therefore AEMO cancels the reclassification as a credible contingency event from 1250 hrs 23/09/2024.

Constraint set N-ERARING_N-2 revoked from 1250 hrs 23/09/2024

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024

Based on advice from the asset owner, AEMO has declared the simultaneous trip of Eraring Power Station Units 2 and 4 as a credible contingency event.

AEMO considers the simultaneous trip of those generators to now be more likely.

AEMO has reclassified this as a credible contingency event from 1000 hrs 23/09/2024.

To manage power system security constraint set N-ERARING_N-2 invoked from 1000 hrs 23/09/2024 until further notice.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Monday, 23 September 2024

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

Unit: W/HOE#2
Duration: 23/09/2024 05:30 to 23/09/2024 05:45
Amount: -165 MW
Constraint: NC-Q_W/HOE#2

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AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Saturday, 21 September 2024

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

Unit: WTAHB1
Duration: 21/09/2024 15:00 to 21/09/2024 19:20
Amount: 7 MW
Constraint: NC-N_WTAHB1

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AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Saturday, 21 September 2024

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

Unit: MOUSF1
Duration: 21/09/2024 10:55 to 21/09/2024 11:35
Amount: 81 MW
Constraint: NC-Q_MOUSF1

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