3 June 2021 The Australian Energy Market Operator has released its initial report into the dramatic explosion at the Callide C coal generator in late May, indicating that multiple fossil fuel generators tripped off after the event, but no evidence was presented of any wind and solar farms doing the same. The report illustrates how the explosion and fire at the Callide C generator initially had little impact on the grid, until it finally disconnected 22 minutes later, and was quickly followed by the tripping of Callide B, along with another six coal units at the Stanwell and Gladstone generators. Multiple lines also tripped, as did several gas units. The main interconnector to NSW also tripped, causing a major drop in frequency and triggering “load shedding” (cutting off the power) of more than 2.4GW under the under frequency load shedding (UFLS) scheme, including the Boyne Island smelter.