Market Notices

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - QLD Region - 05/06/2024

H20 Broadsound 275 kV Bus Reactor 1 (150 MVAr) has been commissioned as at 1043 hrs.

Manager NEM Real Time Operations

Change Number: CHG0089854
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Short Term Trading Market
Change Title: Planned Outage for the Gas Short Term Trading Market Systems Production.
Change Start Date & Time: 11/06/2024 09:00:00 AEST
Change End Date & Time: 11/06/2024 22:00:00 AEST
Outage Start Date & Time: 11/06/2024 18:30:00 AEST
Outage End Date & Time: 11/06/2024 21:00:00 AEST

Environment: Production

Participant Impact and Requirements: Gas Short Term Trading Market (STTM) services including SWEX and MIS, SPI and SBS will not be available during the outage window in Production.

Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any
planned/unplanned maintenance activities.

Change Number: CHG0090097
Notification issued to: Market Notice
Notification Type: Completed

Change Type: Normal
Service/Component: Declared Wholesale Gas Market (DWGM)

Change Title: Maintenance activities to be performed on the Declared Wholesale Gas Market Systems Pre-Production.

Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Tuesday 11th June AEMO will:

Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 325 MW to 350 MW

Increase the cap on dispatch of Very Fast Lower (L1) Contingency FCAS from 200 MW to 225 MW

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes 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

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. 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.

Region: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 02/06/2024 16:54

Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Refer AEMO Electricity Market Notice 116876

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 02/06/2024 15:49 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - QLD Region - 01/06/2024

H90 Tully South 275 kV Switching Station has been cut into the existing Ross - Woree No.8905 275 kV line to form the following circuits:

H13 Ross - H90 Tully South No.8905/1 275 kV line
H90 Tully South - H39 Woree No.8905/2 275 kV line

Manager NEM Real Time Operations