Market Notices

112154RESERVE NOTICE09/12/2023 06:50:27 PM

Cancellation of Actual (LOR1) condition in the NSW region - 09/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the NSW region - 09/12/2023

The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.112137 is cancelled at 1850 hrs 09/12/2023.

Manager NEM Real Time Operations
112138MARKET INTERVENTION09/12/2023 05:37:54 PM

Update - Direction - SA Region - 08/12/2023

AEMO ELECTRICITY MARKET NOTICE

Update - Direction - SA Region - 08/12/2023

Refer Market Notice 112113

The AEMO intervention event that commenced from interval ending 1635 hrs on 08/12/2023 is continuing.

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.

Manager NEM Real Time Operations
112137RESERVE NOTICE09/12/2023 05:16:02 PM

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/12/2023

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 09/12/2023

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1700 hrs.

The Actual LOR1 condition is forecast to exist until 1830 hrs.

The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1344 MW.

Manager NEM Real Time Operations
112114SETTLEMENTS RESIDUE08/12/2023 03:50:29 PM

[EventId:202312081550_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 December 2023 15:50

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1550 hrs on 8 December 2023

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 December 2023.

Refer to market notice: 112094

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 1550 hrs on 8 December 2023.

This is an AEMO autogenerated Market Notice.
112113MARKET INTERVENTION08/12/2023 04:30:03 PM

Direction - SA region 08/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 08/12/2023

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 08/12/2023.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
112110MARKET INTERVENTION08/12/2023 03:32:37 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 112084

The synchronous generating units currently expected to be synchronised in SA from 0700 hrs 09/12/2023 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1630 hrs 08/12/2023, 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
112094SETTLEMENTS RESIDUE08/12/2023 02:51:32 PM

[EventId:202312081450_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 December 2023 14:50

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1450 hrs on 8 December 2023

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 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 1450 hrs on 8 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.
112084MARKET INTERVENTION08/12/2023 01:06:27 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 0930 hrs 09/12/2023 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
112075SETTLEMENTS RESIDUE08/12/2023 11:20:28 AM

[EventId:202312081120_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 December 2023 11:20

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1120 hrs on 8 December 2023

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 December 2023.

Refer to market notice: 112063

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 1120 hrs on 8 December 2023.

This is an AEMO autogenerated Market Notice.
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