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Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 06/12/2024 15:32 until further notice
Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 06/12/2024
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 06/12/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1430 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs.
The forecast capacity reserve requirement is 1350 MW.
The minimum capacity reserve available is 1248 MW.
Manager NEM Real Time Operations
[EventId:202412061430_confirmed] Prices for interval 06-Dec-2024 14:30 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1450 hrs on 6 December 2024
PRICES ARE NOW CONFIRMED for trading interval 06-Dec-2024 14:30.
In accordance with Market Notice 121506 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202412061450_confirmed] Prices for interval 06-Dec-2024 14:50 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1450 hrs on 6 December 2024
PRICES ARE NOW CONFIRMED for trading interval 06-Dec-2024 14:50.
In accordance with Market Notice 121513 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202412061445_confirmed] Prices for interval 06-Dec-2024 14:45 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1450 hrs on 6 December 2024
PRICES ARE NOW CONFIRMED for trading interval 06-Dec-2024 14:45.
In accordance with Market Notice 121512 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202412061440_confirmed] Prices for interval 06-Dec-2024 14:40 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1450 hrs on 6 December 2024
PRICES ARE NOW CONFIRMED for trading interval 06-Dec-2024 14:40.
In accordance with Market Notice 121509 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202412061435_confirmed] Prices for interval 06-Dec-2024 14:35 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1450 hrs on 6 December 2024
PRICES ARE NOW CONFIRMED for trading interval 06-Dec-2024 14:35.
In accordance with Market Notice 121507 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
[EventId:202412061425_confirmed] Prices for interval 06-Dec-2024 14:25 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1450 hrs on 6 December 2024
PRICES ARE NOW CONFIRMED for trading interval 06-Dec-2024 14:25.
In accordance with Market Notice 121505 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Forecast Minimum System Load (MSL1) condition in the VIC region on 08/12/2024
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 08/12/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1590 MW
o MSL2 - 1090 MW
o MSL3 - 590 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
1. From 1200 hrs 08/12/2024 to 1330 hrs 08/12/2024. Minimum regional demand is forecast to be 1496 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