Market Notices

122494RECLASSIFY CONTINGENCY26/12/2024 04:11:57 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: 26/12/2024 16:11 until further notice

Constraint set(s) invoked:
NONE

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122493NON-CONFORMANCE26/12/2024 03:55:18 PM

NON-CONFORMANCE Region SA1 Thursday, 26 December 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Thursday, 26 December 2024

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

Unit: HPR1
Duration: 26/12/2024 15:50 to 26/12/2024 15:55
Amount: 14 MW
Constraint: NC-S_HPR1

Auto-generated on behalf of Manager NEM Real Time Operations
     
122490MINIMUM SYSTEM LOAD26/12/2024 02:41:29 PM

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 122466 - 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 - 1660 MW
- MSL2 - 1160 MW
- MSL3 - 660 MW

The regional demand is forecast to be below the MSL1 threshold for the following period[s]:
- From 1100 hrs 01/01/2025 to 1330 hrs 01/01/2025. Minimum regional demand is forecast to be 1474 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 .

Manager NEM Real Time Operations
     
122489MINIMUM SYSTEM LOAD26/12/2024 02:39:52 PM

Forecast Minimum System Load MSL1 condition in the VIC Region on 29/12/2024

AEMO ELECTRICITY MARKET NOTICE
Forecast Minimum System Load MSL1 condition in the VIC Region on 29/12/2024

AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 29/12/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
- MSL1 - 1730 MW
- MSL2 - 1230 MW
- MSL3 - 730 MW

The regional demand is forecast to be below the MSL1 threshold for the following period[s]:
- From 1100 hrs 29/12/2024 to 1400 hrs 29/12/2024. Minimum regional demand is forecast to be 1489 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 .

Manager NEM Real Time Operations
     
122488NON-CONFORMANCE26/12/2024 01:10:18 PM

NON-CONFORMANCE Region SA1 Thursday, 26 December 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Thursday, 26 December 2024

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

Unit: TBSF1
Duration: 26/12/2024 09:35 to 26/12/2024 13:10
Amount: 17 MW
Constraint: NC-S_TBSF1

Auto-generated on behalf of Manager NEM Real Time Operations
     
122474RECLASSIFY CONTINGENCY25/12/2024 04:44:20 PM

Cancellation 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

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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV

Cancellation time: 25/12/2024 16:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122471

Auto-generated on behalf of Manager NEM Real Time Operations
     
122473RECLASSIFY CONTINGENCY25/12/2024 04:09:20 PM

Cancellation 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

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: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE

Cancellation time: 25/12/2024 16:09

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 122467

Auto-generated on behalf of Manager NEM Real Time Operations
     
122471RECLASSIFY CONTINGENCY25/12/2024 03:40:56 PM

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: 25/12/2024 15:40 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
122467RECLASSIFY CONTINGENCY25/12/2024 03:07:01 PM

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: 25/12/2024 15:06 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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