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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
Prices for intervals on 05/09/2024 from 13:55 to 15:10 are now confirmed
Refer AEMO Electricity Market Notice 118149 and 118150.
PRICES ARE NOW REVISED to Market Suspension Pricing Schedule for trading intervals on 05/09/2024 from 1355 hrs to 1510 hrs.
Manager Electricity Market Monitoring
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
CHG0098106 | Completed | Production | EMMS Production Bay transfer
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Electricity Market Management System
Change Title: EMMS Production Bay transfer
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0097007 | Cancelled | Production | AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system.
Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the NEMSETTLEMENTSR system.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
CHG0097010 | Cancelled | Production | AEMO will be undertaking maintenance activities on the RCM system
Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the RCM system
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
CHG0097011 | Cancelled | Production | AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system
Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
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