Market Notices

112028RESERVE NOTICE06/12/2023 02:48:12 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 09/12/2023

AEMO ELECTRICITY MARKET NOTICE

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

1. From 1600 hrs to 1900 hrs 09/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 904 MW.

AEMO Operations
112026MARKET INTERVENTION06/12/2023 12:48:53 PM

Possible intervention to manage power system security in SA Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA Region

The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 07/12/2023 will be inadequate to maintain a secure operating state in SA.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
112012RESERVE NOTICE05/12/2023 03:46:03 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 08/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 111964 is cancelled at 1400 hrs 05/12/2023.

No LOR condition is currently forecast in NSW in the STPASA period.

AEMO Operations
112011MARKET INTERVENTION05/12/2023 04:27:08 PM

Direction - SA region 05/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 05/12/2023

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).

The direction was necessary to maintain the power system in a secure operating state.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.

The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1635 hrs on 05/12/2023.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
112010MARKET INTERVENTION05/12/2023 03:40:41 PM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 112007

The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 06/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1630 hrs 05/12/2023, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
112007MARKET INTERVENTION05/12/2023 11:04:30 AM

Update - Possible intervention to manage power system security in SA region

AEMO ELECTRICITY MARKET NOTICE

Update - Possible intervention to manage power system security in SA region

Refer AEMO Electricity Market Notice 111998

The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 06/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations
112004SETTLEMENTS RESIDUE04/12/2023 05:00:19 PM

[EventId:202312041700_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 04 December 2023 17:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1700 hrs on 4 December 2023

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 December 2023.

Refer to market notice: 112001

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 1700 hrs on 4 December 2023.

This is an AEMO autogenerated Market Notice.
112003INTER-REGIONAL TRANSFER04/12/2023 04:44:47 PM

Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.

Murraylink power transfer limit has been reduced based on APA advice, consistent with the high ambient temperatures in the vicinity of Murraylink (Berri and Redcliffe).

Constraint sets I-SVML_165 and I-VSML_165 invoked from 1640 hrs.

The constraint set contains equations with the following interconnector on the LHS:

V-S-MNSP1

Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
112001SETTLEMENTS RESIDUE04/12/2023 03:35:18 PM

[EventId:202312041535_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 04 December 2023 15:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1535 hrs on 4 December 2023

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 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 1535 hrs on 4 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.
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