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124944POWER SYSTEM EVENTS20/02/2025 04:52:41 PM
Non-credible contingency event - NSW region - 20/02/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 20/02/2025
At 1619 hrs the Capital WF A and C 330kV Buses tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 20/02/2025
At 1619 hrs the Capital WF A and C 330kV Buses tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
124940RECLASSIFY CONTINGENCY20/02/2025 01:38:10 PM
Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Duration: 20/02/2025 13:38 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
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: 20/02/2025 13:38 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
124933PRICES SUBJECT TO REVIEW20/02/2025 11:20:28 AM
[EventId:202502201125_review] Prices for interval 20-Feb-2025 11:25 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1120 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:25.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1120 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:25.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
124932PRICES SUBJECT TO REVIEW20/02/2025 11:15:20 AM
[EventId:202502201120_review] Prices for interval 20-Feb-2025 11:20 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1115 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:20.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1115 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:20.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
124931PRICES SUBJECT TO REVIEW20/02/2025 11:10:24 AM
[EventId:202502201115_review] Prices for interval 20-Feb-2025 11:15 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1110 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:15.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1110 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:15.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
124930PRICES SUBJECT TO REVIEW20/02/2025 11:05:19 AM
[EventId:202502201110_review] Prices for interval 20-Feb-2025 11:10 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1105 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:10.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1105 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:10.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
124929PRICES SUBJECT TO REVIEW20/02/2025 11:00:24 AM
[EventId:202502201105_review] Prices for interval 20-Feb-2025 11:05 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:05.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:05.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
124928PRICES SUBJECT TO REVIEW20/02/2025 10:55:25 AM
[EventId:202502201100_review] Prices for interval 20-Feb-2025 11:00 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1055 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:00.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1055 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 11:00.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
124920PRICES SUBJECT TO REVIEW20/02/2025 09:00:23 AM
[EventId:202502200905_review] Prices for interval 20-Feb-2025 09:05 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0900 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 09:05.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0900 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 09:05.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.