Hawaii Firm Turns Home Water Heaters into Grid Batteries

March 14, 2023

A Honolulu company is helping low-income families in Hawaii reduce energy costs while contributing to a more sustainable grid—by linking household water heaters to create a virtual power plant, effectively repurposing the ubiquitous appliances into grid batteries.

“As of last year, Shifted Energy had equipped more than 3,000 households in multifamily condos and apartment buildings on the islands of Oahu and Maui with its cellular-connected smart water heater control modules,” reports Canary Media. “Those families earn about $3 a month in utility bill credits for allowing Shifted Energy to turn those water heaters on and off to help balance the grid during sudden shifts in wind and solar power supply.”

Read the full article here.

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