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Forecast Minimum System Load (MSL1) condition in the VIC region on 05/11/2024
Update to Market Notice 119682 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 05/11/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1535 MW
o MSL2 - 1035 MW
o MSL3 - 535 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1000 hrs to 1430 hrs 05/11/2024. Minimum regional demand is forecast to be 1106 MW at 1300 hrs.
Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .
AEMO Operations
Forecast Minimum System Load (MSL1) condition in the VIC region on 02/11/2024
Update to Market Notice 119644 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 02/11/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1685 MW
o MSL2 - 1185 MW
o MSL3 - 685 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1030 hrs to 1400 hrs 02/11/2024. Minimum regional demand is forecast to be 1304 MW at 1230 hrs.
Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .
AEMO Operations
Forecast Minimum System Load (MSL1) condition in the VIC region on 03/11/2024
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 03/11/2024.
Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1795 MW
o MSL2 - 1295 MW
o MSL3 - 795 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1130 hrs to 1330 hrs 03/11/2024. Minimum regional demand is forecast to be 1684 MW at 1300 hrs.
Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .
AEMO Operations
Network Augmentation Commissioned - NSW Region - 31/10/2024
Network Augmentation Commissioned - NSW Region - 31/10/2024
At 1200 hrs 31/10/2024, the Buronga No.4 330kV synchronous condenser has been commissioned.
Manager NEM Real Time Operations
Fast Frequency Response Market - Increase in R1 FCAS dispatch caps from 4th November 2024
Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 4th November AEMO will increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 350 MW to 375 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
Update - Non-credible contingency event - NSW region - 31/10/2024
Update - Non-credible contingency event - NSW region - 31/10/2024
Refer AEMO Electricity Market Notice 119689
At 0345 hrs the Wagga B 330 kV bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 31/10/2024
Non-credible contingency event - NSW region - 31/10/2024
At 0028 hrs the Wagga B 330 kV bus tripped which offloaded the Wagga - Walla Walla SF 6Y 330 kV line and Wagga No.3 transformer.
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
Forecast Minimum System Load 1 (MSL1) in the VIC Region on 05/11/2024
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the Victorian region on 05/11/2024.
Minimum regional demand is forecast to be 1238 MW at 1300 hrs, and the advisory threshold is:
MSL1 - 1535 MW
MSL2 - 1035 MW
MSL3 - 535 MW
The regional demand is forecast to be below the MSL1 threshold for the following period:
From 1030 hrs to 1400 hrs 05/11/2024.
AEMO Operations
Update - Lightning vulnerable lines in Vic region
Update - Lightning vulnerable lines in Vic region
Refer to AEMO Electricity Market Notice 119029
At 1525 hrs on 18/10/2024 the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line tripped and auto-reclosed.
The cause of the trip was identified as due to Lightning.
In accordance with SO_OP_3715, AEMO now considers the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 kV Line to be vulnerable with a category of probable due to Lightning.
Manager NEM Real Time Operations