Market Notices

122317INTER-REGIONAL TRANSFER20/12/2024 03:16:23 PM

Update Inter-regional transfer limit variation - Lismore SVC 132kV - NSW region - 20/12/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lismore SVC 132kV - NSW region - 20/12/2024

At 1300 hrs 20/12/2024 there was a short notice outage of Lismore SVC 132kV.

The following constraint set(s) invoked at 1300 hrs 20/12/2024
N-LS_VC1

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
122316RECLASSIFY CONTINGENCY20/12/2024 03:03:40 PM

Reclassification of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line line in QLD1 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: QLD1

Lines: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Duration: 20/12/2024 15:03 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122315RECLASSIFY CONTINGENCY20/12/2024 03:03:12 PM

Reclassification of a Non-Credible Contingency Event: Kamerunga - Barron Gorge No.7184 and Kamerunga - Barron Gorge No.7143 132kV in QLD1 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: QLD1

Lines: Chalumbin - Kamerunga - Barron Gorge No.7184 and Kamerunga - Barron Gorge No.7143 132kV

Duration: 20/12/2024 15:00 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122314RECLASSIFY CONTINGENCY20/12/2024 02:50:35 PM

Reclassification of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 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: QLD1

Lines: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 20/12/2024 14:50 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122313RECLASSIFY CONTINGENCY20/12/2024 02:50:31 PM

Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 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: QLD1

Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 20/12/2024 14:50 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122310INTER-REGIONAL TRANSFER20/12/2024 01:01:43 PM

Inter-regional transfer limit variation - [outage element] - NSW region - 20/12/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - [outage element] - NSW region - 20/12/2024

At 1300 hrs 20/12/2024 there was a short notice outage of [outage element].

The following constraint set(s) invoked at 1300 hrs 20/12/2024
N-LS_VC1

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
122308MINIMUM SYSTEM LOAD20/12/2024 12:58:35 PM

Cancellation of Forecast Minimum System Load MSL2 event in the VIC Region on 22/12/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Forecast MSL2 - VIC Region at 1200 hrs 20/12/2024.

Refer to Market Notice 122305 for MSL2.

AEMO Operations
     
122305MINIMUM SYSTEM LOAD20/12/2024 08:53:36 AM

Forecast Minimum System Load (MSL2) condition in the VIC region on 22/12/2024

AEMO ELECTRICITY MARKET NOTICE
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 22/12/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1825 MW
o MSL2 - 1325 MW
o MSL3 - 825 MW

The regional demand is forecast to be below the MSL2 threshold for the following period:

From 1230 hrs 22/12/2024 to 1300 hrs 22/12/2024. Minimum regional demand is forecast to be 1284 MW at 1300 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .

AEMO Operations
     
122289MINIMUM SYSTEM LOAD19/12/2024 08:28:50 PM

Cancellation of Forecast Minimum System Load (MSL) MSL2 event in the VIC Region on 22/12/2024.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Forecast Minimum System Load (MSL) MSL2 event in the VIC Region on 22/12/2024.

Cancellation - Forecast MSL2- VIC Region at 2030 hrs 22/12/2024.

Refer to Market Notice 122275for MSL2.

Manager NEM Real Time Operations
     
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