Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions
- Written by: David Roche, Research Director - Strategic Energy Collaborations, University of Technology Sydney
ShutterstockAustralia’s energy transition is well under way. Some 3 million households have rooftop solar and sales of medium-sized electric cars are surging. But as we work towards fully electric households powered by renewable energy, have we overlooked a key enabling technology, the humble electric water heater?
By storing solar energy as...

















