Market Notices

115989MARKET INTERVENTION06/04/2024 02:11:30 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 115988

The synchronous generating units currently expected to be synchronised in SA from 0730 hrs 07/04/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1500 hrs 06/04/2024, 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
115988MARKET INTERVENTION06/04/2024 12:13:54 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 07/04/2024 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
115982MARKET INTERVENTION05/04/2024 08:04:00 PM

Direction - SA region 05/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 05/04/2024

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 2005 hrs on 05/04/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
115977MARKET INTERVENTION06/04/2024 12:00:14 AM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 03/04/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 03/04/2024

Refer Market Notice 115945

The AEMO Intervention Event and all associated directions are cancelled from 2400 hrs 05/04/2024

Manager NEM Real Time Operations
115976MARKET INTERVENTION05/04/2024 07:42:41 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 0800 hrs 06/04/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 2000 hrs 05/04/2024,
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
115972MARKET INTERVENTION05/04/2024 04:06:18 PM

Update - Direction - SA Region - 03/04/2024

AEMO ELECTRICITY MARKET NOTICE

Update - Direction - SA Region - 03/04/2024

Refer Market Notice 115945

The AEMO intervention event that commenced from interval ending 1405 hrs on 03/04/2024 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
115965MARKET INTERVENTION04/04/2024 05:29:44 PM

Update - Direction - SA Region - 03/04/2024

AEMO ELECTRICITY MARKET NOTICE

Update - Direction - SA Region - 03/04/2024

Refer Market Notice 115945

The AEMO intervention event that commenced from interval ending 1405 hrs on 03/04/2024 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
115959SETTLEMENTS RESIDUE04/04/2024 01:30:24 PM

[EventId:202404041330_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 04 April 2024 13:30

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1330 hrs on 4 April 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 2024.

Refer to market notice: 115958

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 1330 hrs on 4 April 2024.

This is an AEMO autogenerated Market Notice.
115958SETTLEMENTS RESIDUE04/04/2024 12:35:29 PM

[EventId:202404041235_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 04 April 2024 12:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1235 hrs on 4 April 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 April 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 1235 hrs on 4 April 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.
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