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[EventId:202403151200_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 15 March 2024 12:00
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 15 March 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 March 2024.
Refer to market notice: 115629
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 1200 hrs on 15 March 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202403151005_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 March 2024 10:05
Issued by Australian Energy Market Operator Ltd at 1005 hrs on 15 March 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 March 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 1005 hrs on 15 March 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.
Non-credible contingency event - SA region - 14/03/2024
Non-credible contingency event - SA region - 14/03/2024
At 2307 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 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.
Manager NEM Real Time Operations
Fast Frequency Response Market - Increase in R1 FCAS dispatch cap from 18 March 2024.
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 18 March AEMO will:
Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 225 MW to 250 MW
Retain the existing cap on dispatch of Very Fast Lower (L1) Contingency FCAS at 125 MW
No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date.
For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response
Andrew Groom
AEMO Operations
Non-credible contingency event - QLD region - 12/03/2024
Non-credible contingency event - QLD region - 12/03/2024
At 0249 hrs the Strathmore - Clare South No 7208 132KV Line opened at Strathmore end only.
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
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 11/03/2024
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 1930 hrs 11/03/2024 to 2030 hrs 11/03/2024.
The forecast capacity reserve requirement is 469 MW.
The minimum capacity reserve available is 402 MW.
Manager NEM Real Time Operations
NEM Local Temperature Alerts for SA, VIC from 11 Mar 2024 to 15 Mar 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.
SA
Adelaide West Terrace (39+ Deg C): 11th Mar
Mt Gambier Ap (39+ Deg C): 11th Mar
Port Augusta Ap (39+ Deg C): 11th Mar, 12th Mar, 13th Mar
VIC
Mildura Ap (39+ Deg C): 12th Mar
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
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 11/03/2024
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 115588 is cancelled at 0717 hrs 11/03/2024.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 11/03/2024
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 115587 has been updated at 0520 hrs to the following:
[1.] From 1930 hrs 11/03/2024 to 2000 hrs 11/03/2024.
The forecast capacity reserve requirement is 600 MW.
The minimum capacity reserve available is 545 MW.
Manager NEM Real Time Operations