Market Notices

112599NON-CONFORMANCE22/12/2023 03:35:19 PM

NON-CONFORMANCE Region QLD1 Friday, 22 December 2023

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Friday, 22 December 2023

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

Unit: STAN-2
Duration: 22/12/2023 15:30 to 22/12/2023 15:35
Amount: 10 MW
Constraint: NC-Q_STAN-2

Auto-generated on behalf of Manager NEM Real Time Operations
112596RESERVE NOTICE22/12/2023 03:25:02 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 29/12/2023

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:

From 1830 hrs to 1930 hrs 29/12/2023.
The forecast capacity reserve requirement is 1057 MW.
The minimum capacity reserve available is 1049 MW.

AEMO Operations
112595RECLASSIFY CONTINGENCY22/12/2023 01:47:25 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: 22/12/2023 13:47 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
112594RECLASSIFY CONTINGENCY22/12/2023 01:12:41 PM

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: 22/12/2023 13:12 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
112593RECLASSIFY CONTINGENCY22/12/2023 01:12:40 PM

Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Duration: 22/12/2023 13:12 until further notice

Constraint set(s) invoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
112592RECLASSIFY CONTINGENCY22/12/2023 01:12:40 PM

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: 22/12/2023 13:12 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
112591NON-CONFORMANCE22/12/2023 01:10:14 PM

NON-CONFORMANCE Region QLD1 Friday, 22 December 2023

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Friday, 22 December 2023

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

Unit: OAKEY2SF
Duration: 22/12/2023 13:00 to 22/12/2023 13:10
Amount: 54 MW
Constraint: NC-Q_OAKEY2SF

Auto-generated on behalf of Manager NEM Real Time Operations
112590INTER-REGIONAL TRANSFER22/12/2023 01:01:28 PM

Inter-regional transfer limit variation - Palmerston - Hadspen 2 220kV line - TAS region - 22/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Palmerston - Hadspen 2 220kV line - TAS region - 22/12/2023

At 1300 hrs 22/12/2023 there was a short notice outage of Palmerston - Hadspen 2 220kV line.

Constraint set(s) invoked: T-HAPM_220


This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V - MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
112589SETTLEMENTS RESIDUE22/12/2023 10:00:27 AM

[EventId:202312221000_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 22 December 2023 10:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1000 hrs on 22 December 2023

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 December 2023.

Refer to market notice: 112588

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1000 hrs on 22 December 2023.

This is an AEMO autogenerated Market Notice.
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