Market Notices

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
     
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
     
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
     
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
     
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
     
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
     
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.
     
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.
     
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.
     
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