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Non-credible contingency event - QLD region - 12/12/2024
Non-credible contingency event - QLD region - 12/12/2024
At 2026 hrs the Kamerunga to Barron George 132 kV Line 7184 and the Kamerunga to Barron George 132 kV Line 7141 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
Cancellation of Actual (LOR1) condition in the NSW region - 12/12/2024
Cancellation of Actual (LOR1) condition in the NSW region - 12/12/2024
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.121803 is cancelled at 1945 hrs 12/12/2024.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW Region on 12/12/2024
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 12/12/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1830 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs.
The forecast capacity reserve requirement is 1430 MW.
The minimum capacity reserve available is 1338 MW.
Manager NEM Real Time Operations
[EventId:202412121625_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 12 December 2024 16:25
Issued by Australian Energy Market Operator Ltd at 1625 hrs on 12 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 12 December 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 1625 hrs on 12 December 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.
NEM Local Temperature Alerts for NSW, SA, VIC from 12 Dec 2024 to 16 Dec 2024
AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.
NSW
Yass (39+ Deg C): 16th Dec
SA
Adelaide West Terrace (39+ Deg C): 15th Dec
Clare High School (39+ Deg C): 15th Dec
Port Augusta Ap (39+ Deg C): 14th Dec, 15th Dec
VIC
Latrobe Valley Ap (39+ Deg C): 16th Dec
Melbourne Olympic Park (39+ Deg C): 16th Dec
Mildura Ap (39+ Deg C): 15th Dec, 16th Dec
Mortlake (39+ Deg C): 16th Dec
The NEM Local Temperature Alert Levels are:
Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.
AEMO requests Market Participants to:
1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,
2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.
Further information is available at:
https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts
AEMO Operations Planning
[EventId:202412111920_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 11 December 2024 19:20
Issued by Australian Energy Market Operator Ltd at 1920 hrs on 11 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 December 2024.
Refer to market notice: 121724
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1920 hrs on 11 December 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202412111700_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 11 December 2024 17:00
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 11 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 December 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 1700 hrs on 11 December 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.
CHG0100201 | Planned maintenance affecting the AEMO Market Network ***Outage Updated***
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: 16/12/2024 08:00:00 AEST
Change End Date & Time: 17/12/2024 17:00:00 AEST
Outage 1 Start Date & Time: 16/12/2024 08:12:00 AEST
Outage 1 End Date & Time: 16/12/2024 08:13:00 AEST
Outage 2 Start Date & Time: 16/12/2024 15:12:00 AEST
Outage 2 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 08:00AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Brisbane.
During the 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 .
[EventId:202412111300_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 11 December 2024 13:00
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 11 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 December 2024.
Refer to market notice: 121712
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1300 hrs on 11 December 2024.
This is an AEMO autogenerated Market Notice.