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125439ADMINISTERED PRICE CAP09/03/2025 05:55:23 PM
[EventId:204] AP STARTED for ENERGY in SA1 at 09 March 2025 17:55
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1755 hrs on 09 March 2025
ADMINISTERED PRICE PERIOD DECLARED in SA1 region.
AEMO has determined that the rolling sum of the uncapped spot prices for the SA1 region over the previous 2016 trading intervals has exceeded the cumulative price threshold (CPT) of $1,573,700.00.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 1805 hrs on 09 March 2025 and will continue through to the end of that trading day.
An administered price cap (APC) of 600 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to spot prices and to all market ancillary service prices in the SA1 region.
An administered floor price (AFP) of -600 $/MWh will apply to spot prices.
AEMO will continue to monitor the rolling sum of the uncapped spot prices and issue further Market Notices as required.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1755 hrs on 09 March 2025
ADMINISTERED PRICE PERIOD DECLARED in SA1 region.
AEMO has determined that the rolling sum of the uncapped spot prices for the SA1 region over the previous 2016 trading intervals has exceeded the cumulative price threshold (CPT) of $1,573,700.00.
In accordance with Clause 3.14.2(b) of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 1805 hrs on 09 March 2025 and will continue through to the end of that trading day.
An administered price cap (APC) of 600 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to spot prices and to all market ancillary service prices in the SA1 region.
An administered floor price (AFP) of -600 $/MWh will apply to spot prices.
AEMO will continue to monitor the rolling sum of the uncapped spot prices and issue further Market Notices as required.
This is an AEMO autogenerated Market Notice.
125357INTER-REGIONAL TRANSFER07/03/2025 07:27:37 AM
Inter-regional transfer limit variation - Lismore SVC - NSW region - 07/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Lismore SVC - NSW region - 07/03/2025
At 0720 hrs 07/03/2025 there was an unplanned outage of Lismore SVC.
The following constraint set(s) invoked at 0725 hrs 07/03/2025
N-LS_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 - Lismore SVC - NSW region - 07/03/2025
At 0720 hrs 07/03/2025 there was an unplanned outage of Lismore SVC.
The following constraint set(s) invoked at 0725 hrs 07/03/2025
N-LS_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
125356INTER-REGIONAL TRANSFER07/03/2025 06:44:20 AM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
Refer to Market Notice 125355.
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 and 2 cables of Directlink .
The following constraint set was invoked at 0620 hrs 07/03/2025
N-X_MBTE_3
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Refer to Market Notice 125355.
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 and 2 cables of Directlink .
The following constraint set was invoked at 0620 hrs 07/03/2025
N-X_MBTE_3
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
125355POWER SYSTEM EVENTS07/03/2025 06:40:37 AM
Non-credible contingency event - NSW region - 07/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 07/03/2025
At 0612 hrs the following plant tripped.
Lismore132 - Mullumbimby 9U6 132kV Line
Lismore132 - Mullumbimby 9U7 132kV Line
Ewingsdale - Mullumbimby 9G5 132kV Line
No 1 and 2 cables of Directlink
AEMO did not instruct load shedding.
Approximately 7MW of bulk electrical load has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 07/03/2025
At 0612 hrs the following plant tripped.
Lismore132 - Mullumbimby 9U6 132kV Line
Lismore132 - Mullumbimby 9U7 132kV Line
Ewingsdale - Mullumbimby 9G5 132kV Line
No 1 and 2 cables of Directlink
AEMO did not instruct load shedding.
Approximately 7MW of bulk electrical load has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
125312INTER-REGIONAL TRANSFER06/03/2025 11:29:23 AM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No. 1 and 2 Legs of Directlink.
The following constraint set was invoked at 1125 hrs 06/03/2025.
N-X_MBTE_3
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No. 1 and 2 Legs of Directlink.
The following constraint set was invoked at 1125 hrs 06/03/2025.
N-X_MBTE_3
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
125278INTER-REGIONAL TRANSFER05/03/2025 04:48:22 PM
Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 05/03/2025
A planned outage of Liddell - Tomago 82 330kV Line in the NSW region was scheduled from 0600 hrs 03/03/2025 to 1600 hrs 06/03/2025.
The outage has been completed and Liddell - Tomago 82 330kV Line returned to service at 1635 hrs 05/03/2025
Constraint set(s) revoked: N-LDTM_82
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 05/03/2025
A planned outage of Liddell - Tomago 82 330kV Line in the NSW region was scheduled from 0600 hrs 03/03/2025 to 1600 hrs 06/03/2025.
The outage has been completed and Liddell - Tomago 82 330kV Line returned to service at 1635 hrs 05/03/2025
Constraint set(s) revoked: N-LDTM_82
Manager NEM Real Time Operations
125277INTER-REGIONAL TRANSFER05/03/2025 04:18:40 PM
Inter-regional transfer limit variation - Ewingsdale-Mullumbimby 9G5 132kV line - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Ewingsdale-Mullumbimby 9G5 132kV line - NSW region - 05/03/2025
At 1603 hrs 05/03/2025 there was an unplanned outage of Ewingsdale-Mullumbimby 9G5 132kV line.
The following constraint set(s) invoked at 1615 hrs 05/03/2025
N-BAMB_132_OPEN
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Ewingsdale-Mullumbimby 9G5 132kV line - NSW region - 05/03/2025
At 1603 hrs 05/03/2025 there was an unplanned outage of Ewingsdale-Mullumbimby 9G5 132kV line.
The following constraint set(s) invoked at 1615 hrs 05/03/2025
N-BAMB_132_OPEN
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
125273POWER SYSTEM EVENTS05/03/2025 02:03:49 PM
Update - Non-credible contingency event - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 05/03/2025
Refer AEMO Electricity Market Notice 125268
At 1400 hrs the Directlink DC1 was returned to service.
(At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line was returned to service.)
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 - 05/03/2025
Refer AEMO Electricity Market Notice 125268
At 1400 hrs the Directlink DC1 was returned to service.
(At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line was returned to service.)
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
125268POWER SYSTEM EVENTS05/03/2025 11:57:45 AM
Non-credible contingency event - NSW region - 05/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 05/03/2025
At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 05/03/2025
At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations