Market Notices

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 03/04/2026

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 2005 hrs on 03/04/2026.

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

AEMO ELECTRICITY MARKET NOTICE

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

Refer to Market Notice 140648


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 2000 hrs 03/04/2026
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0930 hrs 04/04/2026
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: 1630 hrs 04/04/2026.

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

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - SA region 02/04/2026

Refer to Market Notice 140179

The AEMO Intervention Event and all associated directions are cancelled from 1630 hrs on 03/04/2026.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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

Refer to Market Notice 140178

Direction is cancelled from: 1630 hrs 03/04/2026

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 140616

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0930 hrs 04/04/2026.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 2000 hrs 03/04/2026, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 1000 hrs 04/04/2026.

The foreseeable circumstance requiring the need for intervention is Voltage.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 02/04/2026

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 1605 hrs on 02/04/2026.

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

AEMO ELECTRICITY MARKET NOTICE

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

Refer to Market Notice 140179

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 1600 hrs 02/04/2026
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0930 hrs 03/04/2026
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: 1630 hrs 03/04/2026.

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

AEMO ELECTRICITY MARKET NOTICE

Update - Foreseeable AEMO intervention in SA region

Refer AEMO Electricity Market Notice 140176

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0930 hrs 03/04/2026.

The foreseeable circumstance requiring the need for intervention is Voltage

AEMO estimates that, in the absence of sufficient market response by 1600 hrs 02/04/2026, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations