Amory Lovins, 'the Einstein of energy efficiency,' says energy efficiency is a continuous spectrum that keeps rapidly evolving, and better design is twice as efficient as the gains from just dropping fossil fuels.

By testing energy use in multiple homes in a real world setting ARENA hopes to unlock the potential of smart homes.

19 year old Ambrose Hayes can't afford a house or an electric car, but he's decarbonised what he can - he's bought an electric bike for commuting.

Australians are installing inefficient gas and electric appliances that will lock in $3.4 billion every year of unnecessary energy costs. New legislation is needed so Australians can make informed decisions about buying new appliances.

Mike Casey first electrified his cherry orchard. Now his mission is to show New Zealanders its cheaper to run an electric home than a fossil fuel one.