Market Notices

112375RECLASSIFY CONTINGENCY15/12/2023 11:59:23 AM

Cancellation of a Non-Credible Contingency Event: Edmonton - Woree 7284 132 kV Line, Barron Gorge - Kamerunga 7143 132 kV Line and the Barron Gorge - Kamerunga 7184 132 kV Line in QLD Region

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the reclassification of a Non-Credible contingency event as a Credible contingency event in the Qld region.

Based on the advice from the asset owner, AEMO considers the trip of the Edmonton - Woree 7284 132 kV Line , Barron Gorge - Kamerunga 7143 132 kV Line and the Barron Gorge - Kamerunga 7184 132 kV Line is no longer reasonably possible. Accordingly, its classification has reverted to a non-credible contingency event.

Region: QLD

Elements: Edmonton - Woree 7284 132 kV Line, Barron Gorge - Kamerunga 7143 132 kV Line and the Barron Gorge - Kamerunga 7184 132 kV Line

Cancellation time: 1200 hrs 15/12/2023

Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 102439

Manager NEM Real Time Operations
112374RECLASSIFY CONTINGENCY15/12/2023 11:29:56 AM

Cancellation of the Reclassification of a Non Credible Contingency event to a Credible Event - Kareeya Power Station - Qld Region

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the reclassification of a Non-Credible contingency event as a Credible contingency event in the Qld region.

Based on the advice from the asset owner, AEMO considers the trip of the Kareeya Power Station Units 1,2,3 and 4 is no longer reasonably possible. Accordingly, its classification has reverted to a non-credible contingency event.

Region: QLD

Elements: Kareeya Power Station Units 1,2,3 and 4

Cancellation time: 1130 hrs 15/12/2023

Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 111965

Manager NEM Real Time Operations
112373GENERAL NOTICE15/12/2023 10:10:57 AM

Network Augmentation Commissioned - SA Region - 15/12/2023

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - SA Region - 15/12/2023

Commissioned:
Bundey 330kV substation, 330kV East Bus and 330kV West Bus.

Manager NEM Real Time Operations
112372SETTLEMENTS RESIDUE15/12/2023 10:00:35 AM

[EventId:202312151000_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 December 2023 10:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1000 hrs on 15 December 2023

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 December 2023.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1000 hrs on 15 December 2023.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
112371RESERVE NOTICE15/12/2023 09:42:01 AM

STPASA - Update to the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112317 has been updated at 0900 hrs 15/12/2023 to the following:

From 1430 hrs to 1600 hrs 19/12/2023.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 232 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.

AEMO Operations
112370MARKET INTERVENTION15/12/2023 07:42:53 AM

ENTERED INTO RERT CONTRACTS

AEMO ELECTRICITY MARKET NOTICE.

AEMO Intervention Event, Reliability and Emergency Reserve Trader (RERT) - NSW1 Region - 14/12/2023

Refer to AEMO Electricity Market Notice no. 112333.

AEMO has entered into a reserve contract to maintain the power system in a Reliable operating state during the following period of time;
15:30 to 19:30 hrs 14/12/2023

The latest time to activate or dispatch these reserves has now passed. No reserve contracts were activated or pre-activated.

Manager NEM Real Time Operations
112369RECLASSIFY CONTINGENCY15/12/2023 04:19:35 AM

Cancellation 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

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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 15/12/2023 04:19

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


Refer AEMO Electricity Market Notice 112368

Auto-generated on behalf of Manager NEM Real Time Operations
112368RECLASSIFY CONTINGENCY15/12/2023 03:18:35 AM

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: 15/12/2023 03:18 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
112367RECLASSIFY CONTINGENCY14/12/2023 10:39:35 PM

Cancellation 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

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: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 14/12/2023 22:39

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


Refer AEMO Electricity Market Notice 112360

Auto-generated on behalf of Manager NEM Real Time Operations
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