Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://images.theconversation.com/files/529729/original/file-20230602-17-jsaz8u.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=237&fit=clip)
Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions
A heater with a 300-litre tank can store as much energy as a home battery at a fraction of the cost. Being able to store surplus solar energy at the right times helps grid stability and cuts emissions.
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://assets.greentechmedia.com/assets/content/cache/made/assets/content/cache/remote/https_dqbasmyouzti2.cloudfront.net/content/images/articles/Sequentric_chart_535_353_80.jpg)
The Water Heater as Grid Battery, Version 2.0
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/31vwc0aJO0L._AC_.jpg)
Electric Tankless Water Heater, GREATBEAR 14KW On Demand Water
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://cdn.shopify.com/s/files/1/0422/9162/6144/products/DOUBLEWALL80-120_32ff14c1-c5e4-43e4-af83-cd1fab4ec0c6_250x250@2x.jpg?v=1622569891)
SUNEARTH Inc-Solar Storage Tank, Electric Backup, 80 Gallon
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://www.greenpolicy360.net/mw/images/ChatGPT_talks_of_fighting_climate_denialism.png)
Category:Climate Policy - Green Policy
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://hips.hearstapps.com/hmg-prod/images/hot-water-tank-inside-a-house-connected-to-solar-royalty-free-image-1686085937.jpg?crop=0.750xw:0.563xh;0.138xw,0.181xh&resize=1200:*)
Electric Water Heaters Store Energy Better Than Tesla Powerwall
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://images.theconversation.com/files/523358/original/file-20230428-28-izz5as.jpg?ixlib=rb-1.1.0&rect=0%2C0%2C5472%2C3612&q=20&auto=format&w=320&fit=clip&dpr=2&usm=12&cs=strip)
Using electric water heaters to store renewable energy could do
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/41aWDHwL-RL._AC_SY350_.jpg)
Smart Thermostat
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51sMEBXGiIL._AC_.jpg)
150 Liter Standard Passive Duda Solar Water Heater
![Using electric water heaters to store renewable energy could do the work of 2 million home batteries – and save us billions](https://images.theconversation.com/files/529733/original/file-20230602-25-jsaz8u.png?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip)
Using electric water heaters to store renewable energy could do