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Non-credible contingency event - NSW region - 20/02/2025
Non-credible contingency event - NSW region - 20/02/2025
At 1619 hrs the Capital WF A and C 330kV Buses 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-CONFORMANCE Region NSW1 Thursday, 20 February 2025
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CAPBES1
Duration: 20/02/2025 14:15 to 20/02/2025 14:25
Amount: 70 MW
Constraint: NC-N_CAPBES1
Auto-generated on behalf of Manager NEM Real Time Operations
NEM Local Temperature Alerts for SA, VIC from 20 Feb 2025 to 24 Feb 2025
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): 22nd Feb
Clare High School (39+ Deg C): 22nd Feb
Mt Gambier Ap (39+ Deg C): 22nd Feb
Port Augusta Ap (39+ Deg C): 22nd Feb
VIC
Mildura Ap (39+ Deg C): 22nd Feb
Mortlake (39+ Deg C): 22nd 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
NON-CONFORMANCE Region SA1 Thursday, 20 February 2025
NON-CONFORMANCE SA1 Region Wednesday, 19 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: CLEMGPWF
Duration: 19/02/2025 17:30 to 20/02/2025 07:55
Amount: 15 MW
Constraint: NC-S_CLEMGPWF
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Thursday, 20 February 2025
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 03:30 to 20/02/2025 03:45
Amount: -8 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Thursday, 20 February 2025
NON-CONFORMANCE NSW1 Region Thursday, 20 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 20/02/2025 02:20 to 20/02/2025 03:00
Amount: -9 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Wednesday, 19 February 2025
NON-CONFORMANCE QLD1 Region Wednesday, 19 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 19/02/2025 11:55 to 19/02/2025 12:10
Amount: -18 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
Inter-regional transfer limit variation - South Morang - Dederang No.1 330kV line series capacitor - VIC region - 19/02/2025
Inter-regional transfer limit variation - South Morang - Dederang No.1 330kV line series capacitor - VIC region - 19/02/2025
A planned outage of South Morang - Dederang No.1 330kV line series capacitor in the VIC region was scheduled from 0449 hrs 04/02/2025 to 1700 hrs 31/03/2025.
The outage has been completed and South Morang - Dederang No.1 330kV line series capacitor returned to service at 1205 hrs 19/02/2025
Constraint set(s) revoked: V-SMSC
Manager NEM Real Time Operations
NEM Local Temperature Alerts for SA, VIC from 19 Feb 2025 to 23 Feb 2025
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): 22nd Feb
Mt Gambier Ap (39+ Deg C): 22nd Feb
Port Augusta Ap (39+ Deg C): 22nd Feb
VIC
Mildura Ap (39+ Deg C): 22nd Feb
Mortlake (39+ Deg C): 22nd 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