Market Notices

117089RECLASSIFY CONTINGENCY21/06/2024 12:39:41 AM

Cancellation of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Cancellation time: 21/06/2024 00:39

Constraint set(s) revoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Refer AEMO Electricity Market Notice 117088

Auto-generated on behalf of Manager NEM Real Time Operations
117088RECLASSIFY CONTINGENCY20/06/2024 11:34:51 PM

Reclassification of a Non-Credible Contingency Event: Bannaby - Mt Piper 5A6 500kV line and Bannaby - Mt Piper 5A7 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: Bannaby - Mt Piper 5A6 500kV and Bannaby - Mt Piper 5A7 500kV

Duration: 20/06/2024 23:34 until further notice

Constraint set(s) invoked:
N-5A6+5A7_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1


Auto-generated on behalf of Manager NEM Real Time Operations
117065RECLASSIFY CONTINGENCY19/06/2024 07:24:55 AM

Cancellation of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 19/06/2024 07:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117063

Auto-generated on behalf of Manager NEM Real Time Operations
117064RECLASSIFY CONTINGENCY19/06/2024 07:24:50 AM

Cancellation of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Cancellation time: 19/06/2024 07:24

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 117062

Auto-generated on behalf of Manager NEM Real Time Operations
117063RECLASSIFY CONTINGENCY19/06/2024 06:20:35 AM

Reclassification of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 kV line and Chalumbin - Turkinje No.7166 132 kV 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 19/06/2024 06:20 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
117062RECLASSIFY CONTINGENCY19/06/2024 06:20:36 AM

Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV 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: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 19/06/2024 06:20 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
117043RECLASSIFY CONTINGENCY18/06/2024 10:20:15 AM

Update - Non-credible contingency event - VIC region - 18/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 18/06/2024

Refer AEMO Electricity Market Notice 117042

The cause of this non credible contingency event is not known at this stage..
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.

Region: VIC

Elements: Glenrowan No1 66kV Bus
Duration: 0903 hrs 18/06/2024 until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
117026NON-CONFORMANCE17/06/2024 05:25:12 AM

NON-CONFORMANCE Region QLD1 Monday, 17 June 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Monday, 17 June 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_2
Duration: 17/06/2024 04:30 to 17/06/2024 05:25
Amount: -51 MW
Constraint: NC-Q_MPP_2

Auto-generated on behalf of Manager NEM Real Time Operations
117005PRICES UNCHANGED14/06/2024 02:46:56 PM

[EventId:202406141420_confirmed] Prices for interval 14-Jun-2024 14:20 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1440 hrs on 14 June 2024

PRICES ARE NOW CONFIRMED for trading interval 14-Jun-2024 14:20.

In accordance with Market Notice 116992 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.
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