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Environment

David Roche, Research Director - Strategic Energy Collaborations, University of Technology Sydney

Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions

Electricity Renewable Energy Australia ARENA the Australian Renewable Energy Agency

Shutterstock

Australia’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?

a smart electric water heater — By storing solar energy as hot water, a smart electric heater can effectively act as a household battery. Shutterstock

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