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[EventId:202408051635_review] Prices for interval 05-Aug-2024 16:35 are subject to review
Issued by Australian Energy Market Operator Ltd at 1630 hrs on 5 August 2024
PRICES ARE SUBJECT TO REVIEW for trading interval 05-Aug-2024 16:35.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Increase to QNI limit to next hold point of 1400 MW Qld to NSW
Refer to market notices 117060.
AEMO, TransGrid, Powerlink have reviewed the test results following the QNI minor testing on 19th June 2024. The next hold point can now be released.
The hold point of 1400 MW from Qld to NSW will be implemented as of 1000 hrs 31st July 2024.
Please also refer to the published formal QNI minor testing information at the following link:
https://www.aemo.com.au/consultations/current-and-closed-consultations/qld-to-nsw-interconnector-qni-upgrade
Ben Blake
AEMO Operations
Non-credible contingency event - QLD region - 30/07/2024
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
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
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