Filter by:
Filter by category
Filter by Date
From
To
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
124417GENERAL NOTICE10/02/2025 11:21:57 AM
NEM Local Temperature Alerts for SA, VIC from 10 Feb 2025 to 14 Feb 2025
AEMO ELECTRICITY MARKET NOTICE
AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.
SA
Adelaide West Terrace (39+ Deg C): 11th Feb, 12th Feb
Clare High School (39+ Deg C): 12th Feb
Mt Gambier Ap (39+ Deg C): 12th Feb
Port Augusta Ap (39+ Deg C): 11th Feb, 12th Feb
VIC
Mildura Ap (39+ Deg C): 12th Feb
The NEM Local Temperature Alert Levels are:
Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.
AEMO requests Market Participants to:
1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,
2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.
Further information is available at:
https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts
AEMO Operations Planning
AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.
SA
Adelaide West Terrace (39+ Deg C): 11th Feb, 12th Feb
Clare High School (39+ Deg C): 12th Feb
Mt Gambier Ap (39+ Deg C): 12th Feb
Port Augusta Ap (39+ Deg C): 11th Feb, 12th Feb
VIC
Mildura Ap (39+ Deg C): 12th Feb
The NEM Local Temperature Alert Levels are:
Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.
AEMO requests Market Participants to:
1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,
2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.
Further information is available at:
https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts
AEMO Operations Planning
124416INTER-REGIONAL TRANSFER10/02/2025 10:09:20 AM
Inter-regional transfer limit variation - Ingleburn - Wallerawang (77) 330 kV line - NSW region - 10/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Ingleburn - Wallerawang (77) 330 kV line - NSW region - 10/02/2025
At 0945 hrs 10/02/2025 there was an unplanned outage of Ingleburn - Wallerawang (77) 330 kV line.
The following constraint set(s) invoked at 0955 hrs 10/02/2025
N-X_AVMA_SSWW
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Ingleburn - Wallerawang (77) 330 kV line - NSW region - 10/02/2025
At 0945 hrs 10/02/2025 there was an unplanned outage of Ingleburn - Wallerawang (77) 330 kV line.
The following constraint set(s) invoked at 0955 hrs 10/02/2025
N-X_AVMA_SSWW
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
124301POWER SYSTEM EVENTS07/02/2025 03:34:46 PM
Update - Non-credible contingency event - NSW region - 23/01/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 23/01/2025
Refer AEMO Electricity Market Notice 123615
At 0240 hrs on the 23/01/2025 there was a trip and auto reclose of the Kempsey - Macksville 9W5 and the Kempsey - Raleigh 9W2 132kV Lines
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 23/01/2025
Refer AEMO Electricity Market Notice 123615
At 0240 hrs on the 23/01/2025 there was a trip and auto reclose of the Kempsey - Macksville 9W5 and the Kempsey - Raleigh 9W2 132kV Lines
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
124297RESERVE NOTICE07/02/2025 02:01:59 PM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 07/02/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 124290 has been updated to the following:
[1.] From 1630 hrs 07/02/2025 to 1900 hrs 07/02/2025.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1034 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 124290 has been updated to the following:
[1.] From 1630 hrs 07/02/2025 to 1900 hrs 07/02/2025.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1034 MW.
Manager NEM Real Time Operations