Market Notices

116275INTER-REGIONAL TRANSFER23/04/2024 08:52:22 AM

Inter-regional transfer limit variation - Para No 1 SVC - SA region - 23/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Para No 1 SVC - SA region - 23/04/2024

At 0837 hrs 23/04/2024 there was an unplanned outage of Para No 1 SVC.

Constraint set(s) invoked: S-PA_VC1


This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,V-S-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
116272INTER-REGIONAL TRANSFER22/04/2024 02:55:17 PM

Inter-regional transfer limit variation -Liddell - Tomago 82 330kV Line - NSW region - 22/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 22/04/2024

A planned outage of Liddell - Tomago 82 330kV Line in the NSW region was scheduled from 0600 hrs 03/04/2024 to 1700 hrs 22/04/2024.

The outage has been completed and Liddell - Tomago 82 330kV Line returned to service at 1450 hrs 22/04/2024

Constraint set(s) revoked: N-LDTM_82_OPEN

Manager NEM Real Time Operations
     
116270INTER-REGIONAL TRANSFER22/04/2024 01:32:54 PM

Inter-regional transfer limit variation - Farrell - Sheffield Nos 1 and 2 220kV Lines - TAS region - 22/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Farrell - Sheffield Nos 1 and 2 220kV Lines - TAS region - 22/04/2024

At 1315 hrs 22/04/2024 there was an unplanned outage of Farrell - Sheffield Nos 1 and 2 220kV Lines.

The following constraint set(s) invoked at 1315 hrs 22/04/2024
T-X_FASH_C

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
116266MARKET INTERVENTION22/04/2024 02:00:32 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 21/04/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 21/04/2024

Refer Market Notice 116232

The AEMO Intervention Event and all associated directions are cancelled from 1400 hrs 22/04/2024

Manager NEM Real Time Operations
     
116263MARKET INTERVENTION22/04/2024 12:06:20 PM

Direction - SA region 22/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 22/04/2024

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 1205 hrs on 22/04/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
116258MARKET INTERVENTION22/04/2024 10:25:53 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 116234

The synchronous generating units currently expected to be synchronised in SA from 0001 hrs 23/04/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1200 hrs 22/04/2024, 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
     
116234MARKET INTERVENTION21/04/2024 06:48:59 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 0000 hrs 23/04/2024 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
     
116232MARKET INTERVENTION21/04/2024 02:42:06 PM

Direction - SA region 21/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 21/04/2024

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 1435 hrs on 21/04/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
116229MARKET INTERVENTION21/04/2024 02:28:44 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 116224

The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 22/04/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1430 hrs 21/04/2024, 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
     
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