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[EventId:202405161730_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 16 May 2024 17:30
Issued by Australian Energy Market Operator Ltd at 1730 hrs on 16 May 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 16 May 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1730 hrs on 16 May 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
CHG0089066 | Production | Dispatch Applications Upgrade
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: Dispatch Applications Upgrade
Change Start Date & Time: 22/05/2024 08:00:00 AEST
Change End Date & Time: 24/05/2024 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements:
Under this change , AEMO will upgrade the NEMDE solver used in Production for Dispatch, 5-Minute Predispatch, Predispatch and PD7 to a new version. AEMO will also upgrade other relevant applications for Dispatch ,5-Minute Predispatch ,Predispatch, PD7 and PASA as part of the Integrating Energy Storage Systems project (IESS). This change will become effective upon rule commencement on 3 June, 2024.
No outage required.
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.
CHG0089716 | Completed | Production | MSATS Particiant Server Maintenace
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Emergency
Service/Component: MSATS - Market Settlement & Transfer System
Change Title: MSATS Particiant Server Maintenace
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0089716 | Production | MSATS Particiant Server Maintenace
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Emergency
Service/ Component: MSATS - Market Settlement & Transfer System
Change Title: MSATS Particiant Server Maintenace
Change Start Date & Time: 14/05/2024 13:00:00 AEST
Change End Date & Time: 14/05/2024 17:00:00 AEST
Outage Start Date & Time: 14/05/2024 13:00:00 AEST
Outage End Date & Time: 14/05/2024 14:30:00 AEST
Environment: Production
Participant Impact and Requirements: Users will not be able to access MSATS during the outage period.
Meter data processing and RM reports will not be available during the outage period.
User Rights Management (URM) will continue to operate, however the administration screens will not be accessible.
MSATS B2B/B2M Transactions and MSATS Screens will be unavailable during this outage
NMI Discovery will not be available during the outage period.
CDR and CDP will not be available during the outage period.
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: Reclassification of non-credible contingency event due to existence of widespread abnormal condition - NEM regions.
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 116572 is no longer reasonably possible and accordingly its classification has reverted to non-credible.
Cancellation time: 1115 hrs 13/05/2024.
Manager NEM Real Time Operations
CHG0088824 | Completed | Production | NEM Reform IESS Retail MSATS 53.0 Release
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MSATS - Consumer Administration and Transfer Solution(CATS)
Change Title: NEM Reform IESS Retail MSATS 53.0 Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 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: NSW1
Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 12/05/2024 10:54
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 116593
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.
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: 12/05/2024 09:53 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
CHG0089536 | Completed | Production | Urgent NSW Marketnet Router Replacement
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Market Network
Change Title: Urgent NSW Marketnet Router Replacement
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.