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117503POWER SYSTEM EVENTS30/07/2024 07:07:11 AM
Non-credible contingency event - QLD region - 30/07/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 30/07/2024
At 0537 hrs the Darling Downs Power Station GT1, GT3 and and the steam turbine tripped from 484 MW.
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-credible contingency event - QLD region - 30/07/2024
At 0537 hrs the Darling Downs Power Station GT1, GT3 and and the steam turbine tripped from 484 MW.
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
117500POWER SYSTEM EVENTS28/07/2024 05:14:14 PM
Update - Non-credible contingency event - QLD region - 27/07/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 27/07/2024
Refer AEMO Electricity Market Notice 117487
At 1702 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
Update - Non-credible contingency event - QLD region - 27/07/2024
Refer AEMO Electricity Market Notice 117487
At 1702 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
117487POWER SYSTEM EVENTS27/07/2024 10:52:18 AM
Correction - Non-credible contingency event - QLD region - 27/07/2024
AEMO ELECTRICITY MARKET NOTICE.
Correction to Market Notice 117486
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
Correction to Market Notice 117486
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H38 Goodna No. 2 275kV Bus and the H38 Goodna No. 1 275/132kV transformer 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
117486POWER SYSTEM EVENTS27/07/2024 10:26:53 AM
Non-credible contingency event - QLD region - 27/07/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer 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-credible contingency event - QLD region - 27/07/2024
At 0951 hrs the H3 Goodna No. 2 275kV Bus and the H3 Goodna No. 1 275/132kV transformer 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
117466GENERAL NOTICE30/07/2024 09:20:28 PM
Network Augmentation Commissioned - VIC Region - 30/07/2024
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - VIC Region - 30/07/2024
Cressy Terminal Station has been cut into the existing Moorabool - Mortlake No.2 500 kV line to form the following circuits:
Cressy - Mortlake No.2 500 kV line
Cressy - Moorabool No.2 500 kV line
Manager NEM Real Time Operations
Network Augmentation Commissioned - VIC Region - 30/07/2024
Cressy Terminal Station has been cut into the existing Moorabool - Mortlake No.2 500 kV line to form the following circuits:
Cressy - Mortlake No.2 500 kV line
Cressy - Moorabool No.2 500 kV line
Manager NEM Real Time Operations
117428NON-CONFORMANCE24/07/2024 08:55:12 AM
NON-CONFORMANCE Region QLD1 Wednesday, 24 July 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Wednesday, 24 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 24/07/2024 07:10 to 24/07/2024 08:55
Amount: -20 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Wednesday, 24 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 24/07/2024 07:10 to 24/07/2024 08:55
Amount: -20 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
117427NON-CONFORMANCE23/07/2024 06:15:20 PM
NON-CONFORMANCE Region NSW1 Tuesday, 23 July 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Tuesday, 23 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: SHGEN
Duration: 23/07/2024 18:05 to 23/07/2024 18:15
Amount: -81 MW
Constraint: NC-N_SHGEN
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Tuesday, 23 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: SHGEN
Duration: 23/07/2024 18:05 to 23/07/2024 18:15
Amount: -81 MW
Constraint: NC-N_SHGEN
Auto-generated on behalf of Manager NEM Real Time Operations
117387NON-CONFORMANCE20/07/2024 01:50:15 PM
NON-CONFORMANCE Region QLD1 Saturday, 20 July 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Saturday, 20 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GANGARR1
Duration: 20/07/2024 12:20 to 20/07/2024 13:50
Amount: 60 MW
Constraint: NC-Q_GANGARR1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Saturday, 20 July 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GANGARR1
Duration: 20/07/2024 12:20 to 20/07/2024 13:50
Amount: 60 MW
Constraint: NC-Q_GANGARR1
Auto-generated on behalf of Manager NEM Real Time Operations
117356GENERAL NOTICE18/07/2024 09:06:38 PM
Network Augmentation Commissioned - VIC Region - 18/07/2024
AEMO ELECTRICITY MARKET NOTICE
Network Augmentation Commissioned - VIC Region - 18/07/2024
At 2044 hrs 18,07/2024, Cressy Terminal Station has been cut into the existing Moorabool - Haunted Gully No.1 500 kV line to form the following circuits:
Cressy - Haunted Gully No 1 500 kV line
Cressy - Moorabool No 1 500 kV line
Manager NEM Real Time Operations
Network Augmentation Commissioned - VIC Region - 18/07/2024
At 2044 hrs 18,07/2024, Cressy Terminal Station has been cut into the existing Moorabool - Haunted Gully No.1 500 kV line to form the following circuits:
Cressy - Haunted Gully No 1 500 kV line
Cressy - Moorabool No 1 500 kV line
Manager NEM Real Time Operations