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Google is developing a data centre complex south of Minneapolis powered by renewable energy and the world's largest battery storage system, utilizing Form Energy's iron-air technology for up to 100 hours of electricity supply. The project is set to include 1.4 gigawatts of wind, 200 megawatts of solar, and a 300-megawatt battery system by 2028, which can supply power to over 200,000 homes.

Form Energy is expected to invest close to $1 billion and has signed contracts with Google and Xcel Energy. Additionally, Form's factory in West Virginia is set to open this year, aiming for 500 megawatts of annual capacity by 2028.