Loy Yang A4 commences return to service ~26 hours after trip on Tue 13th Feb 2024

I’ve just posted ‘Some *initial* headline questions following the transmission damage, unit trips & loss of load, initiated on Tuesday 13th February 2024’ when this emailed alert from ‘Notifications’ widget inside of ez2view brings me back to the here-and-now:

Loy Yang A4 starts the return to service

The alert notes that the Loy Yang A4 unit (which tripped just prior to 13:15 yesterday in conjunction with the other 3 x units) has commenced a return to service at 15:30* today

* remember NEM time!

Here’s a snapshot of a larger window of ez2view highlighting some more detail:

What about the other 3 Loy Yang A units?

Briefly walking through each of them, in reverse order:

Loy Yang A3 (LYA3) … also online

This unit was second to return (Tuesday evening), and is sitting with InitialMW at 553MW at 16:45 (as seen in the ‘Generator Outages’ widget snapshot above).

Loy Yang A2 (LYA2) … also online

This unit was first to return yesterday – and (despite a hiccup overnight) and is sitting with InitialMW at 499MW at 16:45 (as seen in the ‘Generator Outages’ widget snapshot above).

Loy Yang A1 (LYA1) … not yet back

This unit has not yet started back.

Now Peter Hannam had noted something yesterday at 18:22 (somewhat cryptically) that one unit might be delayed back (for reasons not stated):

Given three units are now running, I am assuming he was referred to Loy Yang A1 … but don’t know anything further (note that there is nothing shown in the ‘Generator Outages’ widget snapshot above that would suggest an outage extending into Sunday 18th February).