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124563MARKET INTERVENTION12/02/2025 03:07:31 PM
Update - Foreseeable AEMO intervention in SA region
AEMO ELECTRICITY MARKET NOTICE
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 124559
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 2300 hrs 12/02/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 12/02/2025, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 124559
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 2300 hrs 12/02/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 12/02/2025, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
124559MARKET INTERVENTION12/02/2025 01:51:10 PM
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
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 2300 hrs 12/02/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
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 2300 hrs 12/02/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
124477INTER-REGIONAL TRANSFER11/02/2025 11:27:16 PM
Inter-regional transfer limit variation - Armidale No 1 SVC- NSW region - 11/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Armidale No 1 SVC - NSW region - 11/02/2025
At 2315 hrs 11/02/2025 there was an unplanned outage of Armidale No 1 SVC.
The following constraint set(s) invoked at 2325 hrs 11/02/2025
N-AR_VC1
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
Inter-regional transfer limit variation - Armidale No 1 SVC - NSW region - 11/02/2025
At 2315 hrs 11/02/2025 there was an unplanned outage of Armidale No 1 SVC.
The following constraint set(s) invoked at 2325 hrs 11/02/2025
N-AR_VC1
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
124472INTER-REGIONAL TRANSFER11/02/2025 06:00:41 PM
Inter-regional transfer limit variation - Yass Overload Control Scheme - NSW region - 11/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Yass Overload Control Scheme - NSW region - 11/02/2025
At 1750 hrs 11/02/2025 there was a short notice outage of Yass Overload Control Scheme.
The following constraint set(s) invoked at 1750 hrs: N-YSWG_SCHEME
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
Inter-regional transfer limit variation - Yass Overload Control Scheme - NSW region - 11/02/2025
At 1750 hrs 11/02/2025 there was a short notice outage of Yass Overload Control Scheme.
The following constraint set(s) invoked at 1750 hrs: N-YSWG_SCHEME
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
124469INTER-REGIONAL TRANSFER11/02/2025 03:59:36 PM
Inter-regional transfer limit variation - MLTS-SMTS No1 500 kV line CB at SYTS - VIC region - 11/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - MLTS-SMTS No1 500 kV line CB at SYTS - VIC region - 11/02/2025
At 1538 hrs 11/02/2025 there was an unplanned outage of MLTS-SMTS No1 500 kV line CB at SYTS .
The following constraint set(s) invoked at 1600 hrs 11/02/2025
V-SY_CB
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-S-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - MLTS-SMTS No1 500 kV line CB at SYTS - VIC region - 11/02/2025
At 1538 hrs 11/02/2025 there was an unplanned outage of MLTS-SMTS No1 500 kV line CB at SYTS .
The following constraint set(s) invoked at 1600 hrs 11/02/2025
V-SY_CB
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-S-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
124468INTER-REGIONAL TRANSFER11/02/2025 03:40:29 PM
Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 11/02/2025
AEMO ELECTRICITY MARKET NOTICE
Referring to Market Notice 124466.
The power system security condition in the SA region, requiring AEMO to invoke the automated constraint set CA_SYDS_56BD5936 has ended at 1520 hrs.
Constraint set revoked: CA_SYDS_56BD5936
Manager NEM Real Time Operations
Referring to Market Notice 124466.
The power system security condition in the SA region, requiring AEMO to invoke the automated constraint set CA_SYDS_56BD5936 has ended at 1520 hrs.
Constraint set revoked: CA_SYDS_56BD5936
Manager NEM Real Time Operations
124466INTER-REGIONAL TRANSFER11/02/2025 02:19:04 PM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 11/02/2025
AEMO ELECTRICITY MARKET NOTICE
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked automated constraint set CA_SYDS_56BD5936 from 1410 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-SA
Manager NEM Real Time Operations
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked automated constraint set CA_SYDS_56BD5936 from 1410 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-SA
Manager NEM Real Time Operations
124464NON-CONFORMANCE11/02/2025 02:00:17 PM
NON-CONFORMANCE Region NSW1 Tuesday, 11 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Tuesday, 11 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 11/02/2025 13:55 to 11/02/2025 14:00
Amount: -11 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Tuesday, 11 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 11/02/2025 13:55 to 11/02/2025 14:00
Amount: -11 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
124454MARKET INTERVENTION11/02/2025 05:44:37 AM
Cancellation - AEMO Intervention Event - SA region 10/02/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - SA region 10/02/2025
Refer to Market Notice 124448
The AEMO Intervention Event and all associated directions are cancelled from 0545 hrs on 11/02/2025.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - SA region 10/02/2025
Refer to Market Notice 124448
The AEMO Intervention Event and all associated directions are cancelled from 0545 hrs on 11/02/2025.
Manager NEM Real Time Operations