Market Notices

144172MARKET INTERVENTION31/05/2026 11:15:08 PM

Cancellation: Direction issued to: Origin Energy Electricity Limited - QUARANTINE PS UNIT 5

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: Origin Energy Electricity Limited - QUARANTINE PS UNIT 5

Refer to Market Notice 144169

Direction is cancelled from: 2315 hrs 31/05/2026

Manager NEM Real Time Operations
     
144171MARKET INTERVENTION31/05/2026 11:15:28 PM

Cancellation - AEMO Intervention Event - SA region 31/05/2026

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 31/05/2026

Refer to Market Notice 144170

The AEMO Intervention Event and all associated directions are cancelled from 2315 hrs on 31/05/2026.


Manager NEM Real Time Operations
     
144170MARKET INTERVENTION31/05/2026 09:54:31 PM

Direction - SA region 31/05/2026

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 31/05/2026

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(a1)(1).

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 2150 hrs on 31/05/2026.

Intervention pricing does not apply to this AEMO intervention event.

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
     
144169MARKET INTERVENTION31/05/2026 09:53:51 PM

Direction - in SA region to Origin Energy Electricity Limited - QUARANTINE PS UNIT 5

AEMO ELECTRICITY MARKET NOTICE

Direction - in SA region to Origin Energy Electricity Limited - QUARANTINE PS UNIT 5

In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to Origin Energy Electricity Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: Origin Energy Electricity Limited - QUARANTINE PS UNIT 5 at 2145hrs 31/05/2026
Type of resource: generating unit
Required actions: Remain Synchronised and follow dispatch targets at 2200 hrs 31/05/2026
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 2330 hrs 31/05/2026.

Origin Energy Electricity Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.

Manager NEM Real Time Operations
     
144138MARKET INTERVENTION24/05/2026 12:17:26 PM

Cancellation - AEMO Intervention Event - SA region 24/05/2026

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 24/05/2026

Refer to Market Notice 144136

The AEMO Intervention Event and all associated directions are cancelled from 1220 hrs on 24/05/2026.


Manager NEM Real Time Operations
     
144137MARKET INTERVENTION24/05/2026 12:16:55 PM

Cancellation: Direction issued to: AGL SA Generation Pty Limited - BARKER INLET PS

AEMO ELECTRICITY MARKET NOTICE

Cancellation: Direction issued to: AGL SA Generation Pty Limited - BARKER INLET PS

Refer to Market Notice 144135

Direction is cancelled from: 1220 hrs 24/05/2026

Manager NEM Real Time Operations
     
144136MARKET INTERVENTION24/05/2026 04:16:17 AM

Direction - SA region 24/05/2026

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 24/05/2026

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(a1)(1).

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 0405 hrs on 24/05/2026.

Intervention pricing does not apply to this AEMO intervention event.

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
     
144135MARKET INTERVENTION24/05/2026 04:15:55 AM

Direction - in SA region to AGL SA Generation Pty Limited - Barker Inlet Power Station

AEMO ELECTRICITY MARKET NOTICE

Direction - in SA region to AGL SA Generation Pty Limited - Barker Inlet Power Station


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: AGL SA Generation Pty Limited - Barker Inlet Power Station at 0400 hrs 24/05/2026
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0405 hrs 24/05/2026
Services provided: Voltage Control
Circumstances necessitating the Direction:Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state.
Expected duration: Until further notice.

AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.

Manager NEM Real Time Operations
     
144134MARKET INTERVENTION23/05/2026 02:32:17 PM

Cancellation - Direction - Qld region - 23/05/2026

AEMO ELECTRICITY PARTICIPANT NOTICE

Cancellation - Direction - Qld region - 23/05/2026

Refer to Market Notice 144132

The requirement for AEMO to issue a direction to maintain the power system in a secure operating state has ended. All associated directions are cancelled from 1430 hrs on 23/05/2026.

Manager NEM Real Time Operations
     
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