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[EventId:202409261600_confirmed] Prices for interval 26-Sep-2024 16:00 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1605 hrs on 26 September 2024
PRICES ARE NOW CONFIRMED for trading interval 26-Sep-2024 16:00.
In accordance with Market Notice 118462 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:202409261555_confirmed] Prices for interval 26-Sep-2024 15:55 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1605 hrs on 26 September 2024
PRICES ARE NOW CONFIRMED for trading interval 26-Sep-2024 15:55.
In accordance with Market Notice 118461 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:202409261550_confirmed] Prices for interval 26-Sep-2024 15:50 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1605 hrs on 26 September 2024
PRICES ARE NOW CONFIRMED for trading interval 26-Sep-2024 15:50.
In accordance with Market Notice 118460 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:202409261540_confirmed] Prices for interval 26-Sep-2024 15:40 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1605 hrs on 26 September 2024
PRICES ARE NOW CONFIRMED for trading interval 26-Sep-2024 15:40.
In accordance with Market Notice 118458 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.
Cancellation - Reclassification of a Non Credible Contingency Event: Trip of Golden Plains No. 1 220 kV bus - Vic region - 20/08/2024
Cancellation - Reclassification of a Non Credible Contingency Event: Trip of Golden Plains No. 1 220 kV bus - Vic region - 20/08/2024
Refer to MN 117734
Based on advice from the asset owner, AEMO no longer considers the trip of Golden Plains No. 1 220 kV bus as a credible contingency event.
Therefore AEMO cancels the reclassification as a credible contingency event from 1450 hrs 24/09/2024.
Constraint Set revoked: NIL
Manager NEM Real Time Operations
Cancellation - Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
Cancellation - Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
Refer to MN 118393
Based on advice from the asset owner, AEMO no longer considers the simultaneous trip of Eraring Power Station Units 2 and 4 as a credible contingency event.
Therefore AEMO cancels the reclassification as a credible contingency event from 1250 hrs 23/09/2024.
Constraint set N-ERARING_N-2 revoked from 1250 hrs 23/09/2024
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
Reclassification of a Non-Credible Contingency Event: Eraring Power Station in NSW Region 23/09/2024
Based on advice from the asset owner, AEMO has declared the simultaneous trip of Eraring Power Station Units 2 and 4 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 1000 hrs 23/09/2024.
To manage power system security constraint set N-ERARING_N-2 invoked from 1000 hrs 23/09/2024 until further notice.
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Cancellation time: 21/09/2024 00:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118345
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of Reclassification of a Non-Credible Contingency Event: Gordon - Chapel Street No.1 and No.2 220 kV lines in TAS1 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: TAS
Lines: Gordon - Chapel Street No.1 and No.2 220 kV lines
Cancellation time: 0020 hrs 21/09/2024
Constraint sets revoked: F-T-CSGO and T-CSGO_N-2
Manager NEM Real Time Operations