SA Blackouts: Wind farms first to fall in cascade of errors

SA Blackouts: Wind farms first to fall in cascade of errors, by Rebecca Puddy.

Wind farms were the first domino to fall in a cascade of errors that led to a statewide blackout in South Australia, the Australian Energy Market Operator has found. …

With the wind farms reducing their contribution to the system, there was a rapid increase in demand from the Heywood Interconnector, whose automatic protection mechanism triggered, causing it to shut down and isolate South Australia from the rest of the transmission grid linking all of the southern and eastern states. …