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[EventId:202502041805_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 04 February 2025 18:05
Issued by Australian Energy Market Operator Ltd at 1805 hrs on 4 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 February 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 1805 hrs on 4 February 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.
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 04/02/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 04/02/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1800 hrs
The capacity reserve requirement is 1370 MW
The minimum capacity reserve available is 1161 MW
Manager NEM Real Time Operations
[EventId:202502041725_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 04 February 2025 17:25
Issued by Australian Energy Market Operator Ltd at 1725 hrs on 4 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 February 2025.
Refer to market notice: 124106
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 1725 hrs on 4 February 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202502041530_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 04 February 2025 15:30
Issued by Australian Energy Market Operator Ltd at 1530 hrs on 4 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 4 February 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 1530 hrs on 4 February 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.
[EventId:202502041500_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 04 February 2025 15:00
Issued by Australian Energy Market Operator Ltd at 1500 hrs on 4 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 4 February 2025.
Refer to market notice: 124084
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1500 hrs on 4 February 2025.
This is an AEMO autogenerated Market Notice.
Direction - SA region 04/02/2025
Direction - SA region 04/02/2025
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 1545 hrs on 04/02/2025.
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
Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Direction - SA region to AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer to Market Notice 124056
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 - TORRB4 TORRENS ISLAN at 1540 hrs 04/02/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0030 hrs 05/02/2025
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: 0400 hrs 06/02/2025 / 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
Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 124056
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 - TORRB2 TORRENS ISLAN at 1540 hrs 04/02/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0130 hrs 05/02/2025
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: 0400 hrs 06/02/2025 / 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
Update - Foreseeable AEMO intervention in SA region
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 124056
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0030 hrs 05/02/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 04/02/2025, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations