A short note to capture the trip of Callide B2 on Tuesday 28th October 2025 in the five minute period prior to 21:01 (NEM time) that day – as recorded in this ‘Notifications’ widget alert in ez2view:
We can see the unit tripped from almost full load – so it was no surprise to see a sharp drop in System Frequency, and also quick recovery as well (especially given this happened overnight, so (my assumption being that this was) when a larger share of supply coming from units providing PFR):
What’s in the Bids?
Given we’re now past 04:00 and the ‘next day public’ data set is available, we’re able to look into the bids via the ‘Bids & Offers’ widget in ez2view as follows:
In this case, there’s a rebid very quickly submitted that reveals the trip:
- Received at the AEMO at 21:03 with ‘Event Time’ as 21:01;
- And with the rebid reason somewhat cryptically saying just ‘electrical’.
We can also see that the unit has made its way back online overnight.
Any news from CS Energy?
Given that there was news posted following the Callide C4 trip recently, I thought it worth checking for news here from CS Energy, but there was none.

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