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124044POWER SYSTEM EVENTS03/02/2025 02:13:15 PM
Update - Non-credible contingency event - TAS region - 03/02/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - TAS region - 03/02/2025
Refer AEMO Electricity Market Notice 124043
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Farrell - Reece No.1 and No.2 220 kV lines
Duration: 1410 hrs 03/02/2025 until further notice
Constraint set(s) invoked: F-T-FARE_N-2
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 03/02/2025
Refer AEMO Electricity Market Notice 124043
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Farrell - Reece No.1 and No.2 220 kV lines
Duration: 1410 hrs 03/02/2025 until further notice
Constraint set(s) invoked: F-T-FARE_N-2
Manager NEM Real Time Operations
124043POWER SYSTEM EVENTS03/02/2025 02:02:24 PM
Non-credible contingency event - TAS region - 03/02/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 03/02/2025
At 1333 hrs the Farrell - Reece No.1 and No.2 220 kV lines 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 has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 03/02/2025
At 1333 hrs the Farrell - Reece No.1 and No.2 220 kV lines 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 has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
124041NON-CONFORMANCE03/02/2025 10:46:30 AM
NON-CONFORMANCE Region NSW1 Monday, 3 February 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Monday, 3 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 03/02/2025 10:35 to 03/02/2025 10:40
Amount: -132 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Monday, 3 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 03/02/2025 10:35 to 03/02/2025 10:40
Amount: -132 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
124020INTER-REGIONAL TRANSFER02/02/2025 10:38:53 PM
Update - Inter-regional transfer limit variation - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
At 2138 hrs 02/02/2025 there was an unplanned outage of Ararat to Waubra to Ballarat 220 kV line.
The following constraint set(s) invoked at 2150 hrs 02/02/2025
V-AR_WB_BA
The following constraint set(s) invoked at 2230 hrs 02/02/2025
V-KIAMAL_SC_220CB
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,T-V-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 - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
At 2138 hrs 02/02/2025 there was an unplanned outage of Ararat to Waubra to Ballarat 220 kV line.
The following constraint set(s) invoked at 2150 hrs 02/02/2025
V-AR_WB_BA
The following constraint set(s) invoked at 2230 hrs 02/02/2025
V-KIAMAL_SC_220CB
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,T-V-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
124017INTER-REGIONAL TRANSFER02/02/2025 10:04:02 PM
Inter-regional transfer limit variation - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
At 2138 hrs 02/02/2025 there was an unplanned outage of Ararat to Waubra to Ballarat 220 kV line.
The following constraint set(s) invoked at 2150 hrs 02/02/2025
V-AR_WB_BA
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,T-V-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 - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
At 2138 hrs 02/02/2025 there was an unplanned outage of Ararat to Waubra to Ballarat 220 kV line.
The following constraint set(s) invoked at 2150 hrs 02/02/2025
V-AR_WB_BA
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,T-V-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
123980INTER-REGIONAL TRANSFER01/02/2025 08:53:03 AM
Inter-regional transfer limit variation - Armidale - Tamworth No. 86 330 kV Line - NSW region - 01/02/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Armidale - Tamworth No. 86 330 kV Line - NSW region - 01/02/2025
A planned outage of Armidale - Tamworth No. 86 330 kV Line in the NSW region was scheduled to be completed at 1030 hrs 01/02/2025
The outage has been completed by 0835 hrs 01/02/2025
Constraint set(s) invoked:
N-ARTW_86
N-DM_SVC
N-TW_SVC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Armidale - Tamworth No. 86 330 kV Line - NSW region - 01/02/2025
A planned outage of Armidale - Tamworth No. 86 330 kV Line in the NSW region was scheduled to be completed at 1030 hrs 01/02/2025
The outage has been completed by 0835 hrs 01/02/2025
Constraint set(s) invoked:
N-ARTW_86
N-DM_SVC
N-TW_SVC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
123957NON-CONFORMANCE31/01/2025 11:31:33 AM
NON-CONFORMANCE Region NSW1 Friday, 31 January 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Friday, 31 January 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 31/01/2025 11:05 to 31/01/2025 11:30
Amount: -226 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Friday, 31 January 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 31/01/2025 11:05 to 31/01/2025 11:30
Amount: -226 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
123949PRICES UNCHANGED30/01/2025 07:12:37 PM
[EventId:202501301815_confirmed] Prices for interval 30-Jan-2025 18:15 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1835 hrs on 30 January 2025
PRICES ARE NOW CONFIRMED for trading interval 30-Jan-2025 18:15.
In accordance with Market Notice 123939 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1835 hrs on 30 January 2025
PRICES ARE NOW CONFIRMED for trading interval 30-Jan-2025 18:15.
In accordance with Market Notice 123939 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
123948PRICES UNCHANGED30/01/2025 07:06:46 PM
[EventId:202501301835_confirmed] Prices for interval 30-Jan-2025 18:35 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1835 hrs on 30 January 2025
PRICES ARE NOW CONFIRMED for trading interval 30-Jan-2025 18:35.
In accordance with Market Notice 123943 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1835 hrs on 30 January 2025
PRICES ARE NOW CONFIRMED for trading interval 30-Jan-2025 18:35.
In accordance with Market Notice 123943 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.