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CHG0100220 | Completed | Pre-Production | Pre-Production Electricity Market Management System (EMMS) Maintenance - Outages
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Electricity Market Management System_PreProd
Change Title: Pre-Production Electricity Market Management System (EMMS) Maintenance - Outages
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0100201 | Production | Planned maintenance affecting the AEMO Market Network
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MarketNet
Change Title: Planned maintenance affecting the AEMO Market Network.
Change Start Date & Time: 16/12/2024 08:00:00 AEST
Change End Date & Time: 17/12/2024 17:00:00 AEST
Outage Start Date & Time: 16/12/2024 15:12:00 AEST
Outage End Date & Time: 16/12/2024 15:13:00 AEST
Environment: Production
Participant Impact and Requirements: Planned maintenance will be conducted on the 16th of December 2024, between 07:30AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Brisbane.
During there change, there will be two instances of 1-3 second service disruption to MarketNet Services accessed via Brisbane as traffic moves from the active to the standby load balancing unit. All Services should return to normal after this time. Traffic via Sydney will not be affected during this time. AEMO recommends that all market participants with site to site VPN connections currently connected via Brisbane, to switch these connections to the Sydney site as a precaution.
Participants connecting via IPWAN and/or SSL VPN will be automatically connected to the Sydney site and do not need to take any action.
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 .
Update - Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 10 Dec 2024
Refer to MN 121688
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_SYD_566A36E5 from 1245 hrs to 1510 hrs.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1, N-Q_MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
CHG0100257 | Production | MarketNet Services via Brisbane service disruption for 1-3 seconds as traffic is failed between highly available load balancing services
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: MarketNet Services via Brisbane service disruption for 1-3 seconds as traffic is failed between highly available load balancing services.
Change Start Date & Time: 12/12/2024 14:00:00 AEST
Change End Date & Time: 12/12/2024 16:00:00 AEST
Outage Start Date & Time: 12/12/2024 15:00:00 AEST
Outage End Date & Time: 12/12/2024 15:01:00 AEST
Environment: Production
Participant Impact and Requirements: During there change, there will be a 1-3 second service disruption to MarketNet Services accessed via Brisbane as traffic moves from the active to the standby load balancing unit. All Services should return to normal after this time. Traffic via Norwest will not be affected during this time.
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 .
Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 10 Dec 2024
In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_SYD_566A36E5 from 1245 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
NSW1-QLD1, N-Q_MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 08/12/2024
In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_5667C22F from 1600 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
Cancellation - Forecast Minimum System Load 1 (MSL1) condition in the VIC Region on 08/12/2024
Cancellation - Forecast MSL1 - VIC Region at 1230 hrs 08/12/2024.
Refer to Market Notice 121617 for Forecast MSL1.
Manager NEM Real Time Operations
Forecast Minimum System Load MSL1 condition in the VIC Region on 08/12/2024
Forecast Minimum System Load MSL1 condition in the VIC Region on 08/12/2024
Update to Market Notice 121508 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 08/12/2024.
Minimum regional demand is forecast to be 1299 MW at 1300 hrs, and the advisory threshold is:
o MSL1 - 1560 MW
o MSL2 - 1060 MW
o MSL3 - 560 MW
The regional demand is forecast to be below the MSL1 threshold for the following period[s]:
From 1130 hrs 08/12/2024 to 1400 hrs 08/12/2024.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Glenn Innes to Tenterfield 96R 132kV line- NSW region - 08/12/2024
Inter-regional transfer limit variation -Glenn Innes to Tenterfield 96R 132kV line - NSW region - 08/12/2024
At 0333 hrs 08/12/2024 there was an unplanned outage of Glenn Innes to Tenterfield 96R 132kV line.
The following constraint set(s) invoked at 0345 hrs 08/12/2024
N-96L_96R_CB4102
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations