South Australia's SA1 trading region reached the NEM AU$20,300/MWh price cap twice during the evening of 21 June.

South Australia's SA1 trading region reached the NEM AU$20,300/MWh price cap twice during the evening of 21 June.

AEMO says the outlook for Western Australia's main electricity grid has improved since last year, thanks in part to the impact home batteries are having on peak and minimum demand.