Market Notices

122654MINIMUM SYSTEM LOAD01/01/2025 11:56:13 AM

Actual Minimum System Load MSL1 condition in the VIC Region on 01/01/2025

AEMO ELECTRICITY MARKET NOTICE
Actual Minimum System Load MSL1 condition in the VIC Region on 01/01/2025

Update to Market Notice 122653 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 01/01/2025.

Minimum regional demand is forecast to be 1398 MW at 1300 hrs, and the advisory threshold is:
- MSL1 - 1535 MW
- MSL2 - 1035 MW
- MSL3 - 535 MW

The regional demand is below the MSL1 threshold. The actual MSL1 condition is forecast to exist until 1400 hrs.

Manager NEM Real Time Operations
     
122653MINIMUM SYSTEM LOAD01/01/2025 09:43:04 AM

Forecast Minimum System Load MSL1 condition in the VIC Region on 01/01/2025

AEMO ELECTRICITY MARKET NOTICE
Forecast Minimum System Load MSL1 condition in the VIC Region on 01/01/2025

Update to Market Notice 122635
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 01/01/2025.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
- MSL1 - 1560 MW
- MSL2 - 1060 MW
- MSL3 - 560 MW

The regional demand is forecast to be below the MSL1 threshold for the following period[s]:
- From 1200 hrs 01/01/2025 to 1400 hrs 01/01/2025. Minimum regional demand is forecast to be 1415 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 is seeking a market response.


Manager NEM Real Time Operations
     
122652RECLASSIFY CONTINGENCY01/01/2025 09:26:15 AM

Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 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: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV

Duration: 01/01/2025 09:26 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122651RECLASSIFY CONTINGENCY01/01/2025 09:11:05 AM

Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE

Duration: 01/01/2025 09:11 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122650RECLASSIFY CONTINGENCY01/01/2025 08:45:16 AM

Reclassification of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Duration: 01/01/2025 08:45 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122649RECLASSIFY CONTINGENCY01/01/2025 03:44:21 AM

Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 01/01/2025 03:44

Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Refer AEMO Electricity Market Notice 122648

Auto-generated on behalf of Manager NEM Real Time Operations
     
122648RECLASSIFY CONTINGENCY01/01/2025 02:43:06 AM

Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 500kV 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Duration: 01/01/2025 02:42 until further notice

Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Auto-generated on behalf of Manager NEM Real Time Operations
     
122646RECLASSIFY CONTINGENCY31/12/2024 08:49:24 PM

Cancellation of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV line line in QLD1 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: QLD1

Lines: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line

Cancellation time: 31/12/2024 20:49

Constraint set(s) revoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Refer AEMO Electricity Market Notice 122637

Auto-generated on behalf of Manager NEM Real Time Operations
     
122645RECLASSIFY CONTINGENCY31/12/2024 07:58:00 PM

Cancellation of a Non-Credible Contingency Event: Kamerunga to Barron Gorge No.7184 132 kV and the Kamerunga to Barron Gorge No.7143 132 kV lines in QLD 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: QLD

Lines: Kamerunga to Barron Gorge No.7184 132 kV and the Kamerunga to Barron Gorge No.7143 132 kV lines

Cancellation time: 31/12/2024 20:00

Constraint set(s) invoked: Nil

Refer AEMO Electricity Market Notice 122613

Manager NEM Real Time Operations
     
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