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Non-credible contingency event - QLD region - 23/01/2024
Non-credible contingency event - QLD region - 23/01/2024
At 0957 hrs the Strathmore No 2 275 kV bus 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.
The following constraint set(s) invoked
Q-NESTM
Q-X_NQ_275_FDR+BUS
Manager NEM Real Time Operations
[EventId:202401221925_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 22 January 2024 19:25
Issued by Australian Energy Market Operator Ltd at 1925 hrs on 22 January 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 January 2024.
Refer to market notice: 113632
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 1925 hrs on 22 January 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202401221825_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 22 January 2024 18:25
Issued by Australian Energy Market Operator Ltd at 1825 hrs on 22 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 January 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 1825 hrs on 22 January 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.
CHG0082504:MSATS - Business to Business data exchange
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MSATS - Business to Business data exchange
Change Title: Removal of support of TLS Version 1.1 and lower
Change Start Date & Time: 14/02/2024 10:00:00 AEST
Change End Date & Time: 14/02/2024 14:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-Production
Participant Impact and Requirements: Participants using TLS version 1.1 and lower, need to update their servers to use TLSv1.2 as a minimum. Failing to do so would impact the connectivity with AEMO. An outage is not expected but, there may be some minor interruptions during the change 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 .
[EventId:202401221430_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 22 January 2024 14:30
Issued by Australian Energy Market Operator Ltd at 1430 hrs on 22 January 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 January 2024.
Refer to market notice: 113600
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 1430 hrs on 22 January 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202401221100_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 22 January 2024 11:00
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 22 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 January 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 1100 hrs on 22 January 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 QLD, SA, VIC from 22 Jan 2024 to 26 Jan 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.
QLD
Dalby Ap (37+ Deg C): 22nd Jan
SA
Adelaide West Terrace (39+ Deg C): 23rd Jan
Clare High School (39+ Deg C): 23rd Jan
Port Augusta Ap (39+ Deg C): 22nd Jan, 23rd Jan, 24th Jan
VIC
Mildura Ap (39+ Deg C): 24th Jan
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:202401212130_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 21 January 2024 21:30
Issued by Australian Energy Market Operator Ltd at 2130 hrs on 21 January 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 21 January 2024.
Refer to market notice: 113580
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the QLD to NSW directional interconnector.
The negative residue constraint NRM_QLD1_NSW1 ceased operating at 2130 hrs on 21 January 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202401212035_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 21 January 2024 20:35
Issued by Australian Energy Market Operator Ltd at 2035 hrs on 21 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 21 January 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the QLD to NSW directional interconnector.
The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 2035 hrs on 21 January 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.