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MARKET SUSPENSION
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Market suspended in region(s).
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Declaration of electricity market suspension
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AEMO ELECTRICITY MARKET NOTICE
Declaration of electricity market suspension
AEMO declares the spot market suspended in the NEM with Market Suspension Schedule Pricing (refer NER clause 3.14.5(b)) from Trading Interval 1400 hrs on 05 September 2024 until further notice. Dispatch prices for the first one or two dispatch intervals of this market suspension will be reviewed manually.
There has been a failure of the NEM dispatch process, and all participants to follow existing targets until further notice.
Manager NEM Real Time Operations
CHG0098106 | Production | EMMS Production Bay transfer
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: EMMS Production Bay transfer
Change Start Date & Time: 05/09/2024 08:00:00 AEST
Change End Date & Time: 06/09/2024 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: EMMS Bay transfer is scheduled for 5th September is not expected to have any impact. If any issues are identified because of this maintenance activity, please contact the AEMO Support Hub 1300 236 600.
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?d=pp_services_status for any planned/unplanned maintenance activities .
Fast Frequency Response Market - Removal of L1 FCAS dispatch cap from 9th September 2024
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 9th September AEMO will remove the 225 MW cap on dispatch of Very Fast Lower (L1) Contingency FCAS.
The 225 MW cap on dispatch of L1 FCAS sits well above typical disaptch volumes, and no immediate impact is expected from this change.
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
Cancellation of Reclassification of a Non-Credible Contingency Event: Terang - Mortlake South 220 kV line opening at the Terang end only - 27/03/2024
Cancellation of Reclassification of a Non-Credible Contingency Event: Terang - Mortlake South 220 kV line opening at the Terang end only - 27/03/2024
Refer AEMO Electricity Market Notice 115842
Based on advice from the asset owner, AEMO considers the trip of the following circuit at Terang is unlikely to re-occur. Accordingly, its classification has reverted to a non-credible contingency event.
Region: VIC
Elements: Terang - Mortlake South 220 kV line opening at the Terang end only
Cancellation time : 1715 hrs 04/09/2024
Constraint set(s) revoked: NIL
Manager NEM Real Time Operations
CHG0097011 | Production | AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system
Change Start Date & Time: 05/09/2024 20:00:00 AEST
Change End Date & Time: 06/09/2024 02:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: AEMO will be undertaking maintenance activities on the EMMS - MATRIXIDR,Stpasa system. Whilst no outage is expected there is potential for transient performance degradation during the change.
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 .
CHG0097010 | Production | AEMO will be undertaking maintenance activities on the RCM system
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the RCM system
Change Start Date & Time: 05/09/2024 20:00:00 AEST
Change End Date & Time: 06/09/2024 02:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: AEMO will be undertaking maintenance activities on the PrudentialService, RCM, Forecast system. Whilst no outage is expected there is potential for transient performance degradation during the change.
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 .
CHG0096973 | Production | AEMO will be undertaking maintenance activities on the RCM system
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Cohesity
Change Title: AEMO will be undertaking maintenance activities on the RCM system
Change Start Date & Time: 04/09/2024 20:00:00 AEST
Change End Date & Time: 04/09/2024 23:59:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: AEMO will be undertaking maintenance activities on the RCM system. Whilst no outage is expected there is potential for transient performance degradation during the change.
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 .
Cancellation of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and line in TAS1 due to Lightning.
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: TAS1
Lines: Palmerston - Hadspen 3 & 4 110kV and
Cancellation time: 02/09/2024 20:39
Constraint set(s) revoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 118082
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 due to Lightning.
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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Cancellation time: 02/09/2024 20:39
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118081
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV line in TAS1 due to Lightning.
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: TAS1
Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV
Cancellation time: 02/09/2024 20:34
Constraint set(s) revoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
Refer AEMO Electricity Market Notice 118080
Auto-generated on behalf of Manager NEM Real Time Operations