Nov 01, 2023
Using electric water heaters to store renewable energy could do the work of 2 million home batteries
Electric water heaters offer a cheap way to store large amounts of energy, in the form of hot water. A heater with a 300-litre tank can store about as much energy as a second-generation Tesla Powerwall - at a fraction of the cost.
Cutting emissions Boosting grid stability Back to the future for water heating