Research suggests Sydneysiders could save $730 a year by ditching gas, but Tony Wood from the Grattan Institute questions the figures.

Ted O’Brien, Shadow Energy Minister, debunks the idea of saving $730 a year by electrifying homes.

Chris O’Keefe takes calls following Tony and Ted disputing the research that electricity is cheaper than gas in homes.

Hear more highlights from Drive with Chris O’Keefe below: