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124959RECLASSIFY CONTINGENCY20/02/2025 06:39:46 PM
Cancellation 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
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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 20/02/2025 18:39
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 124940
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: NSW1
Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 20/02/2025 18:39
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 124940
Auto-generated on behalf of Manager NEM Real Time Operations
124951PRICES SUBJECT TO REVIEW20/02/2025 05:40:17 PM
[EventId:202502201745_review] Prices for interval 20-Feb-2025 17:45 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1740 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:45.
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 1740 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:45.
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.
124949PRICES SUBJECT TO REVIEW20/02/2025 05:35:20 PM
[EventId:202502201740_review] Prices for interval 20-Feb-2025 17:40 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1735 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:40.
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 1735 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:40.
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.
124948PRICES SUBJECT TO REVIEW20/02/2025 05:30:19 PM
[EventId:202502201735_review] Prices for interval 20-Feb-2025 17:35 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1730 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:35.
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 1730 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:35.
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.
124947PRICES SUBJECT TO REVIEW20/02/2025 05:25:23 PM
[EventId:202502201730_review] Prices for interval 20-Feb-2025 17:30 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1725 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:30.
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 1725 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:30.
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.
124946PRICES SUBJECT TO REVIEW20/02/2025 05:20:18 PM
[EventId:202502201725_review] Prices for interval 20-Feb-2025 17:25 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1720 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:25.
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 1720 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:25.
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.
124945PRICES SUBJECT TO REVIEW20/02/2025 05:15:11 PM
[EventId:202502201720_review] Prices for interval 20-Feb-2025 17:20 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1715 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:20.
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 1715 hrs on 20 February 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 20-Feb-2025 17:20.
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.
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