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Update - Vulnerable lines in TAS region
Update - Lightning vulnerable lines in TAS region
Refer to AEMO Electricity Market Notice 124044
At 1410 hrs 03/02/2025 the Farrell - Reece No.1 and No.2 220 kV lines lines tripped.
The cause of the trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Farrell - Reece No.1 and No.2 220 kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 05/02/2025
Cancellation of Actual (LOR1) condition in the NSW region - 05/02/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.124176 is cancelled at 1444 hrs 05/02/2025.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 05/02/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 05/02/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1330 hrs.
The Actual LOR1 condition is forecast to exist until 1430 hrs
The capacity reserve requirement is 1320 MW
The minimum capacity reserve available is 1254 MW
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 04/02/2025
Cancellation of Actual (LOR1) condition in the NSW region - 04/02/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.124131 is cancelled at 1930 hrs 04/02/2025.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 04/02/2025
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 04/02/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1800 hrs
The capacity reserve requirement is 1370 MW
The minimum capacity reserve available is 1161 MW
Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Tuesday, 4 February 2025
NON-CONFORMANCE QLD1 Region Tuesday, 4 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: SWAN_E
Duration: 04/02/2025 15:50 to 04/02/2025 16:00
Amount: 35 MW
Constraint: NC-Q_SWAN_E
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Tuesday, 4 February 2025
NON-CONFORMANCE NSW1 Region Tuesday, 4 February 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 04/02/2025 12:05 to 04/02/2025 12:15
Amount: -57 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NEM Local Temperature Alerts for SA, TAS, VIC from 04 Feb 2025 to 08 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
Port Augusta Ap (39+ Deg C): 6th Feb
TAS
Launceston Ti Tree Bend (33+ Deg C): 4th Feb
VIC
Latrobe Valley Ap (39+ Deg C): 4th Feb
Mildura Ap (39+ Deg C): 4th Feb, 6th 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
Update - Non-credible contingency event - TAS region - 03/02/2025
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