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Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024
Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024
At 1842 hrs 17/10/2024 there was an unplanned outage of Hummocks - Bungama 132kV line.
The following constraint set(s) invoked at 1850 hrs 17/10/2024
S-HUBG
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
Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line- SA region - 17/10/2024
Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line - SA region - 17/10/2024
At 1848 hrs 17/10/2024 there was an unplanned outage of Blyth West - Munno Para 275kV line.
The following constraint set(s) invoked at 1855 hrs 17/10/2024
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
Heywood testing (Vic to SA) 16th October 2024 - update
Refer to market notice 118930 - revised the testing times.
There is an opportunity for testing Heywood Interconnector (HIC) flow from Victoria to South Australia above 450MW on 16th October from 17:00hrs to 17th October 00:00hrs
This test includes a trip and reclose of a line in South Australia.
Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.
Ben Blake
AEMO Operations
Heywood testing (Vic to SA) 16th October 2024
There is an opportunity for testing Heywood Interconnector (HIC) flow from Victoria to South Australia above 450MW on 16th October from 17:00hrs to 20:00hrs
This test includes a trip and reclose of a line in South Australia.
Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.
Ben Blake
AEMO Operations
NEM Local Temperature Alerts for SA from 16 Oct 2024 to 20 Oct 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
Port Augusta Ap (39+ Deg C): 16th Oct, 17th Oct
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
NEM Local Temperature Alerts for SA from 14 Oct 2024 to 18 Oct 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
Port Augusta Ap (39+ Deg C): 17th Oct
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
Heywood testing (SA to Vic) 11th October 2024
There is an opportunity for testing Heywood Interconnector (HIC) flow from South Australia to Victoria above 450MW and Victoria to South Australia above 450MW on 11th October from 8:00hrs to 19:00hrs
This test includes a trip and reclose of a line in South Australia.
Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.
Ben Blake
AEMO Operations
Inter-regional transfer limit variation - Moorabool to Sydenham 500 kV No.2 line - VIC region - 09/10/2024
Inter-regional transfer limit variation - Moorabool to Sydenham 500 kV No.2 line - VIC region - 09/10/2024
A planned outage of Moorabool to Sydenham 500 kV No.2 line in the VIC region was scheduled from 0600 hrs 01/10/2024 to 2030 hrs 11/10/2024.
The outage has been completed and Moorabool to Sydenham 500 kV No.2 line returned to service at 1940 hrs 09/10/2024
Constraint set(s) revoked: V-MLSY_NOEMTT_R
Manager NEM Real Time Operations
Managing outages that create a credible risk of SA islanding
From 9th Oct 2024 AEMO will change constraints used during outages that create a credible risk of SA islanding.
From this date AEMO will:
1) Increase the maximum allowable flow on the V-SA interconnector from 50 MW to 250 MW in the VIC to SA direction, where the transmission outages is a planned outage.
2) Operate the SA region to the default 49-51 Hz target frequency containment band following a contingency event resulting in actual SA islanding. In order to meet this requirement, AEMO may now procure Contingency Raise FCAS locally from the SA region during these outages.
These changes reflect updated advice received by AEMO from the SA Jurisdictional System Security Coordinator.
The first network outage affected by this change is planned for 14th October 2024.
Andrew Groom
AEMO Operations