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[EventId:202312141100_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 14 December 2023 11:00
Issued by Australian Energy Market Operator Ltd at 1100 hrs on 14 December 2023
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 December 2023.
Refer to market notice: 112296
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 1100 hrs on 14 December 2023.
This is an AEMO autogenerated Market Notice.
NEM Local Temperature Alerts for VIC from 14 Dec 2023 to 18 Dec 2023
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.
VIC
Mildura Ap (39+ Deg C): 18th 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:202312140935_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 14 December 2023 09:35
Issued by Australian Energy Market Operator Ltd at 0935 hrs on 14 December 2023
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 14 December 2023.
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 0935 hrs on 14 December 2023.
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.
Update - Vulnerable lines in TAS region.
Vulnerable lines in TAS region.
Refer to AEMO Electricity Market Notice 112248.
At 1324 hrs 13/12/2023 the Hadspen - Palmerston No.3 & No.4 110 kV lines tripped and auto reclosed.
The cause of trip was identified as due to lightning.
In accordance with SO_OP_3715, AEMO now considers the Hadspen - Palmerston No.3 & No.4 110 kV lines to be vulnerable with a category of probable due to lightning.
Manager NEM Real Time Operations
Fast Frequency Response Market - Increase in R1 FCAS volume 18 December 2023.
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 18 December AEMO will:
Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 175 MW to 225 MW
Retain the existing cap on dispatch of Very Fast Lower (L1) Contingency FCAS at 100 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
NEM Local Temperature Alerts for QLD from 13 Dec 2023 to 17 Dec 2023
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): 17th 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
Network Augmentation Commissioned - SA Region - 12/12/2023
Network Augmentation Commissioned - SA Region - 12/12/2023
Commissioned: Robertstown - Bundey No. 2 275 kV Line
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023
Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023
At 1446 hrs 11/12/2023 there was an unplanned outage of Blyth West- Munno Para 275 kV Line.
However, due to the concurrent Non-credible contingency event - SA region - 11/12/2023, refer AEMO Electricity Market Notice 112187, additional inter-regional constraints were not required until the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) invoked at 1610 hrs 11/12/2023
S-BWMP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
NEM Local Temperature Alerts for VIC from 11 Dec 2023 to 15 Dec 2023
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.
VIC
Mildura Ap (39+ Deg C): 12th 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