With big wind and solar projects stalling, the energy market operator forecasts that Australian households will continue to do the heavy lifting in the renewables transition, with four out of five homes to have rooftop solar by 2050. With big wind and solar projects stalling, the energy market operator forecasts that Australian households will continue to do the heavy lifting in the renewables transition, with four out of five homes to have rooftop solar by 2050. Solar Energy, Utilities, Climate Change Latest business news