Market Notices

116227MARKET INTERVENTION21/04/2024 12:54:01 PM

Correction - Direction - SA region 20/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Correction to Market Notice 116213

Correction: Date in the External reference to 20/04/2024

Direction - SA region 20/04/2024

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 1405 hrs on 20/04/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
116224MARKET INTERVENTION21/04/2024 12:42:34 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 22/04/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.

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
116219MARKET INTERVENTION20/04/2024 01:50:58 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 116211

The synchronous generating units currently expected to be synchronised in SA from 0800 hrs 20/04/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1400 hrs 20/04/2024, 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
116218MARKET INTERVENTION20/04/2024 04:31:05 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 19/04/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 18/04/2024

Refer Market Notice 116200

The AEMO Intervention Event and all associated directions are cancelled from 1630 hrs 20/04/2024

Manager NEM Real Time Operations
116213MARKET INTERVENTION20/04/2024 02:01:30 PM

Direction - SA region 19/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 20/04/2024

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 1405 hrs on 20/04/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
116212SETTLEMENTS RESIDUE20/04/2024 01:00:26 PM

[EventId:202404201300_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 20 April 2024 13:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1300 hrs on 20 April 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 April 2024.

Refer to market notice: 116210

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 1300 hrs on 20 April 2024.

This is an AEMO autogenerated Market Notice.
116211MARKET INTERVENTION20/04/2024 12:55:09 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 20/04/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
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
116210SETTLEMENTS RESIDUE20/04/2024 12:05:23 PM

[EventId:202404201205_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 20 April 2024 12:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1205 hrs on 20 April 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 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 1205 hrs on 20 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.
116209INTER-REGIONAL TRANSFER20/04/2024 12:10:41 AM

Inter-regional transfer limit variation - Tailem Bend 275 kV Capacitor - SA region - 19/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tailem Bend 275 kV Capacitor - SA region - 19/04/2024

At 2341 hrs 19/04/2024 there was an unplanned outage of the Tailem Bend 275 kV Capacitor.

The following constraint set(s) invoked at 0005 hrs 20/04/2024
S-TBCP1

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
X
Cookies help us improve your website experience.
By using our website, you agree to our use of cookies.
Confirm