The solution to managing high winter electricity demand and the occasional wind drought is obvious. Yet our supply-side dominated energy policy and culture seems blind to it.

Australia's main grid chalked up its worst one-day wind drought in more than two years over the weekend, catching batteries short in one state in particular.

The solution to managing high winter electricity demand and the occasional wind drought is obvious. Yet our supply-side dominated energy policy and culture seems blind to it.

South Australia just experienced its worst wind drought in seven years. The fleet of short-duration batteries went flat and gas filled the gap. What did we learn?