EnergyAustralia CEO Mark Collette discusses coal as a reserve asset, the uncertainty of Yallourn, challenges of green hydrogen, and managing the transition to renewables. Topics include the inauguration of a gas-fired power station, the competitive edge of batteries in the energy market, the closure of the Eraring Power Generator, analysis of the Victorian energy market, challenges faced by traditional power companies in transitioning to renewables, and political debates surrounding renewables.