Market Notices

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 10 April 2025

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

Unit: QBYNB1
Duration: 10/04/2025 15:25 to 10/04/2025 15:35
Amount: -9 MW
Constraint: NC-N_QBYNB1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 123956

AEMO, Transgrid and Electranet have reviewed the test results following the PEC Stage 1 testing on 31st January 2025. Hold points 4 and 5 can now be released.

The following limits will be released as of 1000hrs 11th April 2025:
- PEC-1 - 150 MW (both directions)
- Heywood + PEC1 - 750 MW from Vic to SA and 700 MW from SA to Vic
- The existing Heywood limits of 600 and 550 MW are not being changed.

With the release of these limits AEMO will be looking for testing opportunities for increases to Heywood as per the test plan: https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.

Ben Blake
AEMO Operations

AEMO ELECTRICITY MARKET NOTICE

Update - Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025

Refer to Market Notice 126464.

The cause of the unplanned outage of APD - Heywood - Mortlake 500 kV line in the VIC region has been identified and resolved. The outage has been completed and the APD - Heywood - Mortlake 500 kV line returned to service at 0948 hrs 10/04/2025

Constraint set(s) revoked: V-HYMO

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025

At 0825 hrs 10/04/2025 there was an unplanned outage of the APD - Heywood - Mortlake 500 kV line.

The following constraint set(s) invoked at 0835 hrs 10/04/2025
V-HYMO

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,T-V-MNSP1,V-S-MNSP1,VIC1-NSW1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 9 April 2025

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

Unit: VP6
Duration: 09/04/2025 19:00 to 09/04/2025 19:05
Amount: -38 MW
Constraint: NC-N_VP6

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Monday, 7 April 2025

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

Unit: MPP_1
Duration: 07/04/2025 07:55 to 07/04/2025 08:05
Amount: 16 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Sunday, 6 April 2025

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

Unit: HPR1
Duration: 06/04/2025 12:40 to 06/04/2025 12:55
Amount: 16 MW
Constraint: NC-S_HPR1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Friday, 4 April 2025

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

Unit: ADPBA1
Duration: 04/04/2025 12:30 to 04/04/2025 13:15
Amount: -6 MW
Constraint: NC-S_ADPBA1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Friday, 4 April 2025

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

Unit: MPP_2
Duration: 04/04/2025 05:55 to 04/04/2025 06:20
Amount: 77 MW
Constraint: NC-Q_MPP_2

Auto-generated on behalf of Manager NEM Real Time Operations