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Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 27/03/2025
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_SYDS_56F70932 from 0820 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
VIC1-NSW1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Palmerston A 220kV Bus - TAS region - 26/03/2025
Inter-regional transfer limit variation - Palmerston A 220kV Bus - TAS region - 26/03/2025
Refer to Market Notice 125962.
The following constraint set(s) invoked from 1600 hrs to 1620 hrs 26/03/2026.
T-LIPM_WACB
T-LIPM_WACB_SL_N-2
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Lower Tumut - Canberra 07 330kV Line - NSW region - 25/03/2025
Inter-regional transfer limit variation - Lower Tumut - Canberra 07 330kV Line - NSW region - 25/03/2025
A planned outage of Lower Tumut - Canberra 07 330kV Line in the NSW region was scheduled from 1746 hrs 21/03/2025 to 1800 hrs 26/03/2025.
The outage has been completed and Lower Tumut - Canberra 07 330kV Line returned to service at 1555 hrs 25/03/2025
Constraint set(s) revoked: N-CNLT_07
Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Tuesday, 25 March 2025
NON-CONFORMANCE QLD1 Region Tuesday, 25 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 25/03/2025 14:55 to 25/03/2025 15:45
Amount: -55 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Monday, 24 March 2025
NON-CONFORMANCE QLD1 Region Monday, 24 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 24/03/2025 22:10 to 24/03/2025 23:30
Amount: -41 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Saturday, 22 March 2025
NON-CONFORMANCE QLD1 Region Saturday, 22 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: OAKEY1SF
Duration: 22/03/2025 12:40 to 22/03/2025 14:45
Amount: 23 MW
Constraint: NC-Q_OAKEY1SF
Auto-generated on behalf of Manager NEM Real Time Operations
Inter-regional transfer limit variation - Canberra - Lower Tumut (07) 330 kV Line. - NSW region - 21/03/2025
Inter-regional transfer limit variation -Canberra - Lower Tumut (07) 330 kV Line - NSW region - 21/03/2025
At 1746 hrs 21/03/2025 there was an unplanned outage of Canberra - Lower Tumut (07) 330 kV Line.
The following constraint sets invoked at 1800 hrs 21/03/2025
N-CNLT_07
N-X_4+07_WG_CLOSE
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW-QLD1
VIC-NSW1
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Friday, 21 March 2025
NON-CONFORMANCE QLD1 Region Friday, 21 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 21/03/2025 17:40 to 21/03/2025 17:45
Amount: -55 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
Inter-regional transfer limit variation - Darlington Point - Balranald X5 220kV Line - NSW region - 21/03/2025
Inter-regional transfer limit variation - Darlington Point - Balranald X5 220kV Line - NSW region - 21/03/2025
A planned outage of Darlington Point - Balranald X5 220kV Line in the NSW region was scheduled from 0600 hrs 21/03/2025 to 1600 hrs 21/03/2025.
The outage has been completed and Darlington Point - Balranald X5 220kV Line returned to service at 1220 hrs 21/03/2025
Constraint set(s) revoked: N-BADP
Manager NEM Real Time Operations