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Update - Non-credible contingency event - SA region - 23/12/2024
Update - Non-credible contingency event - SA region - 23/12/2024
Refer AEMO Electricity Market Notice 122442
At 2036 hrs the Happy Valley - Morphett Vale East and the Morphett Vale - Cherry Gardens 275kV lines were 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
Non-credible contingency event - SA region - 23/12/2024
Non-credible contingency event - SA region - 23/12/2024
At 1632 hrs the Happy Valley - Morphett Vale East 275kV Line and the Morphett Vale - Cherry Gardens 275kV line 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
INC0139532 | Impact to Prudentials
SERVICE INTERRUPTION - ALERT
The service interruption relating to Prudentials & Settlements have now been resolved.
AEMO is working on the issue and will provide updates as more information becomes available.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
INC0139532 - ALERT - Impact to Prudentials
SERVICE INTERRUPTION - ALERT
AEMO is experiencing a service interruption relating to: Prudentials & Settlements.
AEMO is working on the issue and will provide updates as more information becomes available.
For further enquiries please contact the AEMO Support Hub
Phone: 1300 236 600
Email: supporthub@aemo.com.au
AEMO IT Duty Manager
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 122093 is cancelled at 1140 hrs 17/12/2024.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 122070 has been updated to the following:
[1.] From 1600 hrs 17/12/2024 to 1800 hrs 17/12/2024.
The forecast capacity reserve requirement is 745 MW.
The minimum capacity reserve available is 611 MW.
AEMO estimates the latest time at which it would need to intervene through an AEMO intervention event is 1400 hrs on 17/12/2024.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 122005 has been updated to the following:
[1.] From 1530 hrs 17/12/2024 to 1800 hrs 17/12/2024.
The forecast capacity reserve requirement is 914 MW.
The minimum capacity reserve available is 553 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
CHG0100502 | 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 ***Outage Updated***
Change Start Date & Time: 19/12/2024 07:00:00 AEST
Change End Date & Time: 20/12/2024 17:00:00 AEST
Outage 1 Start Date & Time: 19/12/2024 09:12:00 AEST
Outage 1 End Date & Time: 19/12/2024 09:13:00 AEST
Outage 2 Start Date & Time: 19/12/2024 15:12:00 AEST
Outage 2 End Date & Time: 19/12/2024 15:13:00 AEST
Environment: Production
Participant Impact and Requirements: Planned maintenance will be conducted on the 19th of December 2024, between 07:00AM 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 .
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1500 hrs 17/12/2024 to 1830 hrs 17/12/2024.
The forecast capacity reserve requirement is 1156 MW.
The minimum capacity reserve available is 550 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations