Filter by category
Filter by Date
NON-CONFORMANCE Region QLD1 Friday, 20 September 2024
NON-CONFORMANCE QLD1 Region Friday, 20 September 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: WDBESSG1, WDBESSL1
Aggregate Dispatch Group: WDBESS_ADG1
Duration: 20/09/2024 18:10 to 20/09/2024 18:25
Amount: -63 MW
Constraint: NC-Q_WDBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Friday, 20 September 2024
NON-CONFORMANCE QLD1 Region Friday, 20 September 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: WDBESSG1, WDBESSL1
Aggregate Dispatch Group: WDBESS_ADG1
Duration: 20/09/2024 17:15 to 20/09/2024 17:40
Amount: -63 MW
Constraint: NC-Q_WDBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
Update to system normal constraint equation in NSW for transient voltage stability in south-west NSW
Refer to market notice 92840.
Transgrid has advised AEMO of an update to the transient voltage stability limit in south-west NSW for loss of Darlington Point to Wagga (63) 330 kV line. The limit will include terms for the Darlington Point and Riverina BESS.
The following constraint equation will be updated with the above changes at 1100 hrs Friday 20th September 2024.
N::N_NIL_63
For full details on the formulation, the new constraint equation has now been loaded into AEMO's pre-production systems.
For further details on these constraint equation please contact ben.blake@aemo.com.au
Ben Blake
AEMO Operations
Update - Non-credible contingency event - TAS region - 19/09/2024
Update - Non-credible contingency event - TAS region - 19/09/2024
Refer AEMO Electricity Market Notice 118321
At 1446 hrs the Gordon - Chapel St No 1 and No 2 220 kV lines were returned to service.
This non-credible contingency event was caused by lightning. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 19/09/2024
Update - Non-credible contingency event - TAS region - 19/09/2024
At 1340 hrs the Gordon - Chapel St No1 and No 2 220 kV lines tripped.
AEMO did not instruct load shedding.
AEMO has advised of approximately 112 MW disconnection of bulk electrical load,
disconnection of generation at Studland Bay Wind generator (71 MW) and 23 MW generation reduction at Gordon Power station.
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 - 19/09/2024
Non-credible contingency event - TAS region - 19/09/2024
At 1340 hrs the Gordon - Chapel St No1 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 is not known at this stage.
Manager NEM Real Time Operations
NON-CONFORMANCE Region SA1 Wednesday, 18 September 2024
NON-CONFORMANCE SA1 Region Wednesday, 18 September 2024
AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:
Units: TB2BG1, TB2BL1
Aggregate Dispatch Group: TB2HYB_ADG1
Duration: 18/09/2024 11:20 to 18/09/2024 12:50
Amount: 21 MW
Constraint: NC-S_TB2HYB_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region SA1 Tuesday, 17 September 2024
NON-CONFORMANCE SA1 Region Tuesday, 17 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MANNSF2
Duration: 17/09/2024 14:10 to 17/09/2024 15:00
Amount: 23 MW
Constraint: NC-S_MANNSF2
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 16/09/2024
Cancellation of Actual (LOR1) condition in the NSW region - 16/09/2024
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.118298 is cancelled at 1915 hrs 16/09/2024.
Manager NEM Real Time Operations