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STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 11/07/2025
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
[1.] From 1000 hrs 11/07/2025 to 1030 hrs 11/07/2025.
The forecast capacity reserve requirement is 833 MW.
The minimum capacity reserve available is 819 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
[EventId:202507081830_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 July 2025 18:30
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 8 July 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 July 2025.
Refer to market notice: 128028
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 1830 hrs on 8 July 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202507081730_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 08 July 2025 17:30
Issued by Australian Energy Market Operator Ltd at 1730 hrs on 8 July 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 July 2025.
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 1730 hrs on 8 July 2025.
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.
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
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 2200 hrs 09/07/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 128007
The TORRB3 TORRENS ISLAN direction is now expected to stay in place until 0730 hrs 09/07/2025.
The direction update is issued at 1445 hrs 08/07/2025.
Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 09/10/2025
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 128005 is cancelled at 1000hrs 08/07/2025.
No LOR2 condition is currently forecast in the STPASA period.
AEMO Operations
Cancellation - AEMO Intervention Event - SA region 06/07/2025
Cancellation - AEMO Intervention Event - SA region 06/07/2025
Refer to Market Notice 127966
The AEMO Intervention Event and all associated directions are cancelled from 1500 hrs on 08/07/2025.
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 127995
Direction is cancelled from: 1500 hrs 08/07/2025
Manager NEM Real Time Operations
Direction - SA region to AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Direction - SA region to AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 128006
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 - TORRB3 TORRENS ISLAN at 1055 hrs 08/07/2025
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 2200 hrs 08/07/2025
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: 1430 hrs 09/07/2025.
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