Rooftop solar helps send South Australia grid to zero demand in world first | RenewEconomy

South Australia on Sunday became the first gigawatt scale grid in the world to reach zero operational demand  when the combined output of rooftop solar and other small non-scheduled generators exceeded all the local customer load requirements.

The fact that South Australia’s operating demand could fall to zero, and even into negative territory, was flagged as a possibility this spring by the Australian Energy Market Operator, who noted it would be the first gigawatt scale grid to do this.

Rooftop solar helps send South Australia grid to zero demand in world first | RenewEconomy