Filter by category
Filter by Date
Update - Non-credible contingency event - QLD region - 27/07/2024
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
Correction - Non-credible contingency event - QLD region - 27/07/2024
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
Non-credible contingency event - QLD region - 27/07/2024
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
Network Augmentation Commissioned - VIC Region - 30/07/2024
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 - 18/07/2024
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
Cancellation - Load Restoration Direction in the NSW Region - 08/07/2024
Cancellation - Load Restoration Direction in the NSW Region - 08/07/2024
Refer to AEMO Electricity Market Notice 117322
Load restoration as directed is complete. Direction cancelled from 2200 hrs 08/07/2024
Manager NEM Real Time Operations
Load Restoration Direction in the NSW Region
Load Restoration Direction in the NSW Region
AEMO has directed load restoration commencing at 1930 hrs 08/07/2024
in the NSW region
The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.
Manager NEM Real Time Operations
Load Shedding Direction in the NSW Region
Load Shedding Direction in the NSW Region
AEMO has directed load shedding commencing at 1817 hrs 08/07/2024
in the NSW region
to maintain power system security.
The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.
Manager NEM Real Time Operations
Fast Frequency Response Market - Dispatch of R1 and L1 FCAS in the SA region during island conditions from 1 July 2024
From 1 July 2024 AEMO will dispatch R1 and L1 FCAS locally in the SA region during conditions of actual islanding of the SA region.
This follows the end of contracts for Fast Frequency Response (FFR) in the SA region.
The dispatch of R1 and L1 FCAS under these island conditions will not be capped.
These changes are only applicable for conditions of actual SA islanding from the rest of the NEM.
No other changes to the dispatch of R1 and L1 FCAS will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations