Market Notices

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
     
116208INTER-REGIONAL TRANSFER19/04/2024 05:09:45 PM

Inter-regional transfer limit variation - Murraylink interconnector - VIC and SA regions - 19/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Murraylink interconnector - VIC and SA regions - 19/04/2024

A planned outage of Murraylink interconnector was scheduled from 0800 hrs 24/03/2024 to 1700 hrs 27/04/2024.

The outage has been completed and Murraylink interconnector returned to service at 1710 hrs 19/04/2024

Constraint set(s) revoked: I-MURRAYLINK

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

V-S-MNSP1
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
116201MARKET INTERVENTION19/04/2024 05:02:32 PM

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

AEMO ELECTRICITY MARKET NOTICE

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

Refer Market Notice 116194

The AEMO Intervention Event and all associated directions are cancelled from 1700 hrs 19/04/2024

Manager NEM Real Time Operations
     
116200MARKET INTERVENTION19/04/2024 02:05:41 PM

Direction - SA region 19/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 19/04/2024

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 19/04/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
116198MARKET INTERVENTION19/04/2024 10:50:10 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 116197

The synchronous generating units currently expected to be synchronised in SA from 2330 hrs 19/04/2024 will be inadequate to maintain a secure operating state in SA .

AEMO estimates that, in the absence of sufficient market response by 1400 hrs 19/04/2024, 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
     
116197MARKET INTERVENTION19/04/2024 06:50:36 AM

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 2330 hrs 19/04/2024 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
     
116196INTER-REGIONAL TRANSFER18/04/2024 07:05:27 PM

Inter-regional transfer limit variation - Tamworth No1 SVC Protection system- NSW region - 18/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tamworth No1 SVC Protection system - NSW region - 18/04/2024

At 1900 hrs 18/04/2024 there was a short notice outage of Tamworth No1 SVC protection system.

The following constraint set(s) invoked at 1900 hrs 18/04/2024
N-TW_SVC

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
116194MARKET INTERVENTION18/04/2024 03:01:09 PM

Direction - SA region 18/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Direction - SA region 18/04/2024

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 1505 hrs on 18/04/2024.

Intervention pricing does not apply to this AEMO intervention event.

Manager NEM Real Time Operations
     
116189MARKET INTERVENTION18/04/2024 03:58:24 PM

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 17/04/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 17/04/2024

Refer Market Notice 116171

The AEMO Intervention Event and all associated directions are cancelled from 1600 hrs 18/04/2024

Manager NEM Real Time Operations
     
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