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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
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
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
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
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
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
122290NON-CONFORMANCE20/12/2024 03:00:17 AM
NON-CONFORMANCE Region NSW1 Friday, 20 December 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Friday, 20 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: VP6
Duration: 20/12/2024 02:35 to 20/12/2024 03:00
Amount: -27 MW
Constraint: NC-N_VP6
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Friday, 20 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: VP6
Duration: 20/12/2024 02:35 to 20/12/2024 03:00
Amount: -27 MW
Constraint: NC-N_VP6
Auto-generated on behalf of Manager NEM Real Time 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
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
122288RECLASSIFY CONTINGENCY19/12/2024 08:19:25 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: 19/12/2024 20:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 122257
Auto-generated on behalf of Manager NEM Real Time Operations
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: 19/12/2024 20:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 122257
Auto-generated on behalf of Manager NEM Real Time Operations
122287RECLASSIFY CONTINGENCY19/12/2024 08:19:20 PM
Cancellation 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
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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 19/12/2024 20:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 122258
Auto-generated on behalf of Manager NEM Real Time Operations
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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV
Cancellation time: 19/12/2024 20:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 122258
Auto-generated on behalf of Manager NEM Real Time Operations
122286RECLASSIFY CONTINGENCY19/12/2024 08:14:21 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: 19/12/2024 20:14
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 122240
Auto-generated on behalf of Manager NEM Real Time Operations
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: 19/12/2024 20:14
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 122240
Auto-generated on behalf of Manager NEM Real Time Operations