Market Notices

112070PRICES UNCHANGED08/12/2023 10:37:39 AM

[EventId:202312081025_confirmed] Prices for interval 08-Dec-2023 10:25 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1035 hrs on 8 December 2023

PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:25.

In accordance with Market Notice 112064 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.
112069PRICES UNCHANGED08/12/2023 10:36:38 AM

[EventId:202312081020_confirmed] Prices for interval 08-Dec-2023 10:20 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1035 hrs on 8 December 2023

PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:20.

In accordance with Market Notice 112062 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.
112068PRICES UNCHANGED08/12/2023 10:35:21 AM

[EventId:202312081015_confirmed] Prices for interval 08-Dec-2023 10:15 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1035 hrs on 8 December 2023

PRICES ARE NOW CONFIRMED for trading interval 08-Dec-2023 10:15.

In accordance with Market Notice 112061 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.
112059RECLASSIFY CONTINGENCY08/12/2023 09:52:08 AM

Reclassification of a Non-Credible Contingency Event: Loss of Sheffield 220 kV switchyard (all 220 kV buses) in Tas due to planned work

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to planned work.

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:TAS

Plant: Sheffield 220 kV switchyard (all 220 kV buses)

Duration: 08/12/2023 : 1000 hrs until further notice

Constraint set(s) invoked: T:SH_220_N-2

Manager NEM Real Time Operations
112056RECLASSIFY CONTINGENCY08/12/2023 11:09:48 AM

Reclassification of a Non-Credible Contingency Event: South East - Tailem Bend No.1 and No.2 275 kV lines 275kV lines in SA due to severe weather warning.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

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: SA

Lines: South East - Tailem Bend No.1 and No.2 275 kV lines

Duration: 08/12/2023 11:10 hrs until further notice

Constraint set(s) invoked: S-SETB_N-2

Manager NEM Real Time Operations
112055RECLASSIFY CONTINGENCY08/12/2023 11:07:29 AM

Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

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: SA

Lines: Para-Templers West and Magill-Torrens Island A 275kV lines

Duration: 08/12/2023 10:50 hrs until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
112054RECLASSIFY CONTINGENCY08/12/2023 11:08:47 AM

Reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

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: SA

Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines

Duration: 08/12/2023 10:50 hrs until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
112053RECLASSIFY CONTINGENCY08/12/2023 04:19:37 AM

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: 08/12/2023 04:19

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 112051

Auto-generated on behalf of Manager NEM Real Time Operations
112051RECLASSIFY CONTINGENCY08/12/2023 02:15:46 AM

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: 08/12/2023 02:15 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
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