Market Notices

112149PRICES UNCHANGED09/12/2023 06:27:36 PM

[EventId:202312091820_confirmed] Prices for interval 09-Dec-2023 18:20 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1825 hrs on 9 December 2023

PRICES ARE NOW CONFIRMED for trading interval 09-Dec-2023 18:20.

In accordance with Market Notice 112144 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.
112148PRICES UNCHANGED09/12/2023 06:28:31 PM

[EventId:202312091815_confirmed] Prices for interval 09-Dec-2023 18:15 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1825 hrs on 9 December 2023

PRICES ARE NOW CONFIRMED for trading interval 09-Dec-2023 18:15.

In accordance with Market Notice 112143 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.
112147PRICES UNCHANGED09/12/2023 06:26:31 PM

[EventId:202312091810_confirmed] Prices for interval 09-Dec-2023 18:10 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1825 hrs on 9 December 2023

PRICES ARE NOW CONFIRMED for trading interval 09-Dec-2023 18:10.

In accordance with Market Notice 112142 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.
112146PRICES UNCHANGED09/12/2023 06:25:21 PM

[EventId:202312091800_confirmed] Prices for interval 09-Dec-2023 18:00 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1825 hrs on 9 December 2023

PRICES ARE NOW CONFIRMED for trading interval 09-Dec-2023 18:00.

In accordance with Market Notice 112139 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.
112136RECLASSIFY CONTINGENCY09/12/2023 03:57:50 PM

Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV 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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 09/12/2023 15:57 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations
112131RECLASSIFY CONTINGENCY09/12/2023 01:18:47 PM

Cancellation of the 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

Cancellation of the reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to planned work. AEMO considers the simultaneous trip of the following plant is no longer reasonably possible. Accordingly its classification has reverted to a non-credible contingency event.

Region: TAS1

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

Cancellation time: 09/12/2023 13:20 hrs

Constraint set revoked:
T-SH_220_N-2
Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1



Refer AEMO Electricity Market Notice 112089

Manager NEM Real Time Operations
112129RESERVE NOTICE09/12/2023 09:45:57 AM

PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 09/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112125 is cancelled at 0945 hrs 09/12/2023.

Manager NEM Real Time Operations
112128RECLASSIFY CONTINGENCY09/12/2023 09:05:55 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: 09/12/2023 : 0900 hrs until further notice

Constraint set(s) invoked: T-SH_220_N-2
Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1

Manager NEM Real Time Operations
112125RESERVE NOTICE09/12/2023 05:19:58 AM

PDPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 09/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112119 has been updated at 0515 hrs 09/12/2023 to the following:

From 1700 hrs 09/12/2023 to 1800 hrs 09/12/2023.
The forecast capacity reserve requirement is 704 MW.
The minimum capacity reserve available is 625 MW.

AEMO is seeking a market response.

AEMO estimates the latest time it would need to intervene through an AEMO intervention event is 1130 hrs on 09/12/2023.

Manager NEM Real Time Operations
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