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Update - Non-credible contingency event - VIC region - 06/09/2024
Update - Non-credible contingency event - VIC region - 06/09/2024
Refer AEMO Electricity Market Notice 118166
At 2005 hrs the Loy Yang PS No. 4 500 kV bus was returned to service.
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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Friday, 6 September 2024
NON-CONFORMANCE QLD1 Region Friday, 6 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: 06/09/2024 13:45 to 06/09/2024 14:30
Amount: 101 MW
Constraint: NC-Q_WDBESS_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
Non-credible contingency event - VIC region - 06/09/2024
Non-credible contingency event - VIC region - 06/09/2024
At 1222 hrs the Loy Yang PS No. 4 500 kV bus 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, 5 September 2024
NON-CONFORMANCE NSW1 Region Thursday, 5 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MP1
Duration: 05/09/2024 22:30 to 05/09/2024 22:35
Amount: -103 MW
Constraint: NC-N_MP1
Auto-generated on behalf of Manager NEM Real Time Operations
Declaration of electricity market resumption
Declaration of electricity market resumption
Refer initial AEMO Electricity Market Notice 118149
AEMO declares that the suspension of the spot market in New South Wales, Queensland, South Australia, Tasmania and Victoria will end at 1510 hrs on 05 September 2024.
AEMO has taken sufficient steps to exclude the original event having influence on market processes and AEMO assesses that the possibility of suspending the spot market within the next 24 hours due to the same cause is minimal. AEMO also determines that it can operate the market in accordance with the provisions of the NER.
Relevant Market Notices issued under this suspension: 118149
Manager NEM Real Time Operations
Declaration of electricity market suspension
Declaration of electricity market suspension
AEMO declares the spot market suspended in New South Wales, Queensland, South Australia, Tasmania and Victoria with Market Suspension Schedule Pricing (refer NER clause 3.14.5(b)) from Trading Interval 1355 hrs on 5 September 2024 until further notice.
Dispatch prices for the first one or two dispatch intervals of this market suspension will be reviewed manually.
Manager NEM Real Time Operations
NON-CONFORMANCE Region SA1 Monday, 2 September 2024
NON-CONFORMANCE SA1 Region Monday, 2 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: 02/09/2024 11:40 to 02/09/2024 14:40
Amount: 18 MW
Constraint: NC-S_TB2HYB_ADG1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region VIC1 Sunday, 1 September 2024
NON-CONFORMANCE VIC1 Region Sunday, 1 September 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MERCER01
Duration: 01/09/2024 11:00 to 01/09/2024 11:05
Amount: 122 MW
Constraint: NC-V_MERCER01
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region SA1 Saturday, 31 August 2024
NON-CONFORMANCE SA1 Region Saturday, 31 August 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: STARHLWF
Duration: 31/08/2024 14:50 to 31/08/2024 15:25
Amount: 26 MW
Constraint: NC-S_STARHLWF
Auto-generated on behalf of Manager NEM Real Time Operations