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Australian coal plant blast cause 'complex': CS Energy
An explosion at the 1,586MW Callide coal-fired power plant in Australia's Queensland state in May 2021 was the result of the simultaneous failure of key electrical equipment and system back-ups in a "complex series of events that could not have been anticipated", Queensland state-controlled utility CS Energy said. A technical report on the causes of the incident released on 13 February has determined that the trigger was a collapse of voltage in the direct current (DC) system of the 420MW Callide C4 unit, just as a new battery charger was being connected to the facility. The unit turbine tripped because of the loss ... (full story)