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Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.
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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 19/12/2023 12:49
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 112515
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202312191125_confirmed] Prices for interval 19-Dec-2023 11:25 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1145 hrs on 19 December 2023
PRICES ARE NOW CONFIRMED for trading interval 19-Dec-2023 11:25.
In accordance with Market Notice 112518 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:202312191145_confirmed] Prices for interval 19-Dec-2023 11:45 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1145 hrs on 19 December 2023
PRICES ARE NOW CONFIRMED for trading interval 19-Dec-2023 11:45.
In accordance with Market Notice 112523 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:202312191140_confirmed] Prices for interval 19-Dec-2023 11:40 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1145 hrs on 19 December 2023
PRICES ARE NOW CONFIRMED for trading interval 19-Dec-2023 11:40.
In accordance with Market Notice 112521 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:202312191135_confirmed] Prices for interval 19-Dec-2023 11:35 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1145 hrs on 19 December 2023
PRICES ARE NOW CONFIRMED for trading interval 19-Dec-2023 11:35.
In accordance with Market Notice 112520 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:202312191130_confirmed] Prices for interval 19-Dec-2023 11:30 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1145 hrs on 19 December 2023
PRICES ARE NOW CONFIRMED for trading interval 19-Dec-2023 11:30.
In accordance with Market Notice 112519 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:202312191120_confirmed] Prices for interval 19-Dec-2023 11:20 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1145 hrs on 19 December 2023
PRICES ARE NOW CONFIRMED for trading interval 19-Dec-2023 11:20.
In accordance with Market Notice 112517 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:202312191145_review] Prices for interval 19-Dec-2023 11:45 are subject to review
Issued by Australian Energy Market Operator Ltd at 1140 hrs on 19 December 2023
PRICES ARE SUBJECT TO REVIEW for trading interval 19-Dec-2023 11:45.
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.
Reclassification of a Non-Credible Contingency Event: Darling Downs Power Station in Queensland Region 19/12/2023
Reclassification of a Non-Credible Contingency Event: Darling Downs Power Station in Queensland Region 19/12/2023
Based on advice from the asset owner, AEMO has declared the simultaneous trip of all the generators at Darling Downs Power Station as a credible contingency event.
AEMO considers the simultaneous trip of those generators to now be more likely.
AEMO has reclassified this as a credible contingency event from 1145 hrs 19/12/2023.
To manage power system security constraint set Q-DARLING_DOWNS_N-2 invoked from 1145 hrs 19/12/2023 until further notice.
Manager NEM Real Time Operations