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82303POWER SYSTEM EVENTS22/01/2021 08:45:44 AM
Update - Non-credible contingency event - QLD region - 22/01/2021
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 22/01/2021
Refer AEMO ELECTRICITY MARKET NOTICES 82280 and 82296
At 0255 hrs the Kareeya PS Units 1, 2 and 4 tripped.
Further information on non-credible contingency event has been identified.
Based on the current information AEMO has now reclassified the loss of Kareeya Power Station as a credible contingency event from 0830 hrs until further notice.
Manager NEM Real Time Operations
Update - Non-credible contingency event - QLD region - 22/01/2021
Refer AEMO ELECTRICITY MARKET NOTICES 82280 and 82296
At 0255 hrs the Kareeya PS Units 1, 2 and 4 tripped.
Further information on non-credible contingency event has been identified.
Based on the current information AEMO has now reclassified the loss of Kareeya Power Station as a credible contingency event from 0830 hrs until further notice.
Manager NEM Real Time Operations
82302RECLASSIFY CONTINGENCY22/01/2021 06:33:10 AM
Cancellation of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV line in QLD1 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: QLD1
Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 22/01/2021 06:33
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 82301
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: QLD1
Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 22/01/2021 06:33
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 82301
Auto-generated on behalf of Manager NEM Real Time Operations
82301RECLASSIFY CONTINGENCY22/01/2021 05:02:25 AM
Reclassification of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV line in QLD1 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: QLD1
Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Duration: 22/01/2021 05:02 until further notice
Constraint set(s) invoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
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: QLD1
Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Duration: 22/01/2021 05:02 until further notice
Constraint set(s) invoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Auto-generated on behalf of Manager NEM Real Time Operations
82300MARKET INTERVENTION22/01/2021 05:11:50 AM
Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 22/01/2021
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 22/01/2021
Refer Market Notice 82287
The AEMO Intervention Event and all associated directions are cancelled from 0515 hrs 22/01/2021
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention dispatch intervals - Direction SA region - 22/01/2021
Refer Market Notice 82287
The AEMO Intervention Event and all associated directions are cancelled from 0515 hrs 22/01/2021
Manager NEM Real Time Operations
82299RECLASSIFY CONTINGENCY22/01/2021 04:59:10 AM
Cancellation of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV line in QLD1 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: QLD1
Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 22/01/2021 04:59
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 82279
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: QLD1
Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV
Cancellation time: 22/01/2021 04:59
Constraint set(s) revoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1
Refer AEMO Electricity Market Notice 82279
Auto-generated on behalf of Manager NEM Real Time Operations
82296POWER SYSTEM EVENTS22/01/2021 04:56:27 AM
Update - Non-credible contingency event - Qld region - 22/01/2021
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - Qld region - 22/01/2021
Refer AEMO ELECTRICITY MARKET NOTICE 82280
At 0255 hrs the Kareeya PS Units 1, 2 and 4 tripped.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - Qld region - 22/01/2021
Refer AEMO ELECTRICITY MARKET NOTICE 82280
At 0255 hrs the Kareeya PS Units 1, 2 and 4 tripped.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
82294PRICES UNCHANGED22/01/2021 04:14:53 AM
[EventId:202101220350_confirmed] Prices for interval 22-Jan-2021 03:50 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0410 hrs on 22 January 2021
PRICES ARE NOW CONFIRMED for dispatch interval 22-Jan-2021 03:50.
In accordance with Market Notice 82282 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0410 hrs on 22 January 2021
PRICES ARE NOW CONFIRMED for dispatch interval 22-Jan-2021 03:50.
In accordance with Market Notice 82282 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
82293PRICES UNCHANGED22/01/2021 04:14:06 AM
[EventId:202101220410_confirmed] Prices for interval 22-Jan-2021 04:10 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0410 hrs on 22 January 2021
PRICES ARE NOW CONFIRMED for dispatch interval 22-Jan-2021 04:10.
In accordance with Market Notice 82288 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0410 hrs on 22 January 2021
PRICES ARE NOW CONFIRMED for dispatch interval 22-Jan-2021 04:10.
In accordance with Market Notice 82288 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
82292PRICES UNCHANGED22/01/2021 04:13:18 AM
[EventId:202101220405_confirmed] Prices for interval 22-Jan-2021 04:05 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0410 hrs on 22 January 2021
PRICES ARE NOW CONFIRMED for dispatch interval 22-Jan-2021 04:05.
In accordance with Market Notice 82285 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0410 hrs on 22 January 2021
PRICES ARE NOW CONFIRMED for dispatch interval 22-Jan-2021 04:05.
In accordance with Market Notice 82285 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.