Chronology of (300MW) load shedding in Victoria on Tuesday 13th February 2024
A chronological record of the (directed) load shedding in Victoria on Tuesday afternoon 13th February 2024
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More network tripping on Tue 13th Feb 2024 – at Hazelwood terminal station
At 16:13:14 the AEMO published Market Notice 114643 about Hazelwood transformers
Loy Yang A2 unit the first (of four) units coming back online
About 3 hours after it tripped offline (due to transmission outage?) the Loy Yang A2 unit is making its way back online.
Network trips and loss of load in Tasmania as well!
it's not just Victoria experiencing issues ... Market Notice 114642 published at 16:14 highlights issues in Tasmania
Powercor distribution network *does* have distribution lines affected
A tweet from Powercor shows distribution lines down, on Tue 13th Feb 2024 ... no doubt also elsewhere as well.
Rumours of transmission towers on the ground in Victoria (Tue 13th Feb 2024) … but *not* yet confirmed?!
At 15:06 AEMO reported *rumours* of transmission towers on the ground in Victoria. Constraint Set data at 15:45 suggests these rumours are not (yet?) confirmed.
Grid Inertia in the Victorian Region drops with the coincident tripping of 4 x Loy Yang A units
With a trip of four large synchronous units in Victoria (all supplying large amounts of inertia) it’s no surprise to see that inertia levels fell significantly this afternoon in Victoria.
Grid frequency on 13th February 2024
Grid frequency had dropped to 49.689 Hz. We take an initial look into the timeseries of grid frequency recorded on the day.
Load Shedding Direction in the Vic Region
At 14:35:00 the AEMO issued Market Notice 114607 requiring Load Shedding in the Victorian region:
CS Energy releases report into 2021 Callide C4 unit failure
Today CS energy has released a detailed insight into what happened to the C4 unit that caused the major failure.
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