Market Notices

121700SETTLEMENTS RESIDUE10/12/2024 05:30:19 PM

[EventId:202412101730_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 10 December 2024 17:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1730 hrs on 10 December 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 10 December 2024.

Refer to market notice: 121699

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 1730 hrs on 10 December 2024.

This is an AEMO autogenerated Market Notice.
     
121699SETTLEMENTS RESIDUE10/12/2024 04:35:35 PM

[EventId:202412101635_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 10 December 2024 16:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1635 hrs on 10 December 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 10 December 2024.

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 1635 hrs on 10 December 2024.

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.
     
121697MARKET INTERVENTION10/12/2024 04:21:15 PM

Cancellation - Possible intervention to manage power system security in South Australia (SA) region 11/12/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Possible intervention to manage power system security in South Australia (SA) region 11/12/2024

Refer Market Notice 121685

AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1615 hrs 10/12/2024.

Manager NEM Real Time Operations
     
121694RESERVE NOTICE10/12/2024 03:09:58 PM

STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 16/12/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121687 has been updated at 1400 hrs 10/12/2024 to the following:

1. From 1630 hrs to 1930 hrs 16/12/2024.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 277 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
     
121687RESERVE NOTICE10/12/2024 01:24:21 PM

STPASA - Update and correction of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 16/12/2024

AEMO ELECTRICITY MARKET NOTICE

Correction to Market Notice 121686, the external reference for the forecast LOR2 in the NSW region should read: 16/12/2024.

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121686 has been updated at 1200 hrs 10/12/2024 to the following:

1. From 1730 hrs to 1830 hrs 16/12/2024.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 592 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
     
121686RESERVE NOTICE10/12/2024 09:18:08 AM

STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 16/10/2024

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121683 has been updated at 0800hrs 10/12/2024 to the following:

1. From 1700 hrs to 1900 hrs 16/12/2024.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 336 MW.

AEMO is seeking a market response.

AEMO Operations

     
121685MARKET INTERVENTION10/12/2024 08:24:02 AM

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO ELECTRICITY MARKET NOTICE

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0830 hrs 11/12/2024.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations
     
121683RESERVE NOTICE09/12/2024 11:41:22 PM

STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 16/12/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following periods:

[1.] From 1730 hrs 16/12/2024 to 1830 hrs 16/12/2024.
The forecast capacity reserve requirement is 730 MW.
The minimum capacity reserve available is 587 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.

Manager NEM Real Time Operations
     
121669RECLASSIFY CONTINGENCY09/12/2024 04:04:28 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: 09/12/2024 16:04

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 121654

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