Market Notices

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

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

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

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Monday, 21 July 2025

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

Unit: BLYTHB1
Duration: 21/07/2025 18:40 to 21/07/2025 18:45
Amount: 11 MW
Constraint: NC-S_BLYTHB1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Sunday, 20 July 2025

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

Unit: SWAN_E
Duration: 20/07/2025 15:45 to 20/07/2025 15:55
Amount: -51 MW
Constraint: NC-Q_SWAN_E

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Eraring500kV - Kemps Creek 5A2 500kV Line - NSW region - 19/07/2025

At 1910 hrs 19/07/2025 there was a short notice outage of Eraring 500kV - Kemps Creek 5A2 500kV Line .

The following constraint set(s) invoked at 1920 hrs 19/07/2025
N-ERKC_ONE

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Bulgana-Horsham 220kV LINE - VIC region - 19/07/2025

A planned outage of Bulgana-Horsham 220kV LINE in the VIC region was scheduled from 0700 hrs 19/07/2025 to 1730 hrs 19/07/2025.

The outage has been completed and Bulgana-Horsham 220kV LINE returned to service at 1525 hrs 19/07/2025

Constraint set(s) revoked: V-BUHO

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

The Dapto - Kangaroo Valley (18) 330 kV line in the New South Wales (NSW) region is planned to be out of service from 0615 hrs to 1630 hrs 20/07/2025.

This outage is considered as a High Impact Outage (HIO).

During this planned outage:
- There is a potential for Energy and FCAS prices to approach the Market Price Cap.
- Power transfer will be restricted between VIC/Snowy and NSW.

Refer AEMO Network Outage Schedule (NOS) for further details.

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - S3 Greenbank 275 kV SVC - QLD region - 18/07/2025

At 1207 hrs 18/07/2025 there was an unplanned outage of S3 Greenbank 275 kV SVC.

The following constraint set(s) invoked at 1215 hrs 18/07/2025
Q-GB_VC

This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,N-Q-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations