2021 – 25th May – Callide C4 Explosion, Fire and Outage

A collection of articles that began on Tuesday 25th May 2021, when Callide C4 unit exploded, which:

1)  Led to loss of supply from sister units Callide C3, and B2 and B1 – but also others close

2)  And also blackouts for a sizeable amount of Queensland due to under-frequency load shedding

3)  And a very long repair process

4)  Hence some concerns about the supply-demand balance, and prices

5)  And an insolvency of one of the JV owners

6)  There also was a lengthy process to report on the original cause of the explosion.

In this category we collate an expanding range of articles related to one or more of the above.








Callide C Event Fallout

Carl Daley of EnergyByte examines the ramifications of the Callide Power Station outage and discusses the big losers and winners from the situation.




Where’s Callide B1?

With expectations set last week that Callide B1 would be back online yesterday at minimum load, I’ve had a quick look and can’t see it yet…