Market Notices

82317PRICES SUBJECT TO REVIEW24/01/2021 11:40:18 AM

[EventId:202101241145_review] Prices for interval 24-Jan-2021 11:45 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1140 hrs on 24 January 2021

PRICES ARE SUBJECT TO REVIEW for dispatch interval 24-Jan-2021 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.
     
82316INTER-REGIONAL TRANSFER24/01/2021 01:55:53 AM

Inter-Regional transfer limit variation - Woolooga SVC -Qld Region - 24/01/2021

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional transfer limit variation - Woolooga SVC -Qld Region - 24/01/2021

At 0145 hrs 24/01/2021 there was an unplanned outage of the Woolooga SVC.

The following constraint set was invoked at 0150 hrs:
Q-WO_VC

This constraint set contains equations with the following interconnectors on the LHS:

NSW1-QLD1
N-Q-MNSP1

Refer to AEMO Network Outage Scheduler for further details.

Manager NEM Real Time Operations
     
82315INTER-REGIONAL TRANSFER23/01/2021 04:24:38 PM

Cancellation - Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021

Refer to MN 82313 and 82314

To manage Power System Security, the following constraint set has been invoked.

Constraint I-QN_1000 invoked from 1245 hrs to 1630 hrs

Constraint CA_SYDS_4F1E1FC4_1 invoked from 1315 hrs to 1630 hrs

Constraint has the following interconnector on the LHS

NSW1-QLD1
N-Q_MNSP1


Manager NEM Real Time Operations
     
82314INTER-REGIONAL TRANSFER23/01/2021 01:51:06 PM

Update - Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021

AEMO ELECTRICITY MARKET NOTICE

Update - Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021

To manage Power System Security, the following constraint set has been invoked.

Constraint I-QN_1000 invoked from 1245 hrs until further notice

Constraint CA_SYDS_4F1E1FC4_1 invoked from 1315 hrs until further notice

Constraint has the following interconnector on the LHS

NSW1-QLD1
N-Q_MNSP1


Manager NEM Real Time Operations
     
82313INTER-REGIONAL TRANSFER23/01/2021 01:02:50 PM

Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - QNI (Qld to NSW transfer) - 23/01/2021

To manage Power System Security, the following constraint set has been invoked.

Constraint I-QN_1000 invoked from 1245 hrs until further notice

Constraint has the following interconnector on the LHS

NSW1-QLD1


Manager NEM Real Time Operations
     
82312RECLASSIFY CONTINGENCY22/01/2021 10:09:10 PM

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 22:09

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 82311

Auto-generated on behalf of Manager NEM Real Time Operations
     
82311RECLASSIFY CONTINGENCY22/01/2021 09:07:00 PM

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 21:06 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
     
82310RECLASSIFY CONTINGENCY22/01/2021 07:29:10 PM

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.

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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Cancellation time: 22/01/2021 19:29

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 82309

Auto-generated on behalf of Manager NEM Real Time Operations
     
82309RECLASSIFY CONTINGENCY22/01/2021 06:24:37 PM

Reclassification 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.

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: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV

Duration: 22/01/2021 18:24 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
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