Market prices in Australia's most advanced renewable state are being distorted by few crazy diesel-fuelled trading periods - in heatwaves and in cold snaps - as batteries caught short.

Wholesale electricity prices surge as wind displaces coal, batteries push out gas and home storage softens the evening peaks and help reshape the grid.

Market prices in Australia's most advanced renewable state are being distorted by few crazy diesel-fuelled trading periods - in heatwaves and in cold snaps - as batteries caught…