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Google Invests $1B in Form Energy for 100-Hour Battery

Published Feb 27, 2026
Updated Apr 30, 2026
Google Invests $1B in Form Energy for 100-Hour Battery

Google Backs Form Energy's Groundbreaking 100-Hour Battery Technology

Google has revealed plans for a new data center in Minnesota, set to be powered by a diverse energy mix including wind, solar, and a revolutionary battery system developed by the startup Form Energy. This innovative battery boasts an unprecedented capability to discharge power for an extended duration of 100 hours.

The significant investment in this remarkable feat of electrochemical engineering reportedly amounts to approximately $1 billion, according to industry sources. This strategic collaboration marks a major milestone for Form Energy.

Form Energy's Iron-Air Battery Explained

Form Energy's large-scale iron-air battery technology is designed to deliver a consistent output of 300 megawatts of electricity for a full 100 hours. The core mechanism of the battery involves a process akin to breathing. Oxygen is introduced into the cells, causing iron to oxidize, a reaction that releases electrons. This stored energy is crucial for stabilizing the intermittent nature of renewable sources, specifically balancing 1.4 gigawatts of wind power and 200 megawatts of solar power.

From Development to Production

The startup has dedicated years to refining this technology and has established a manufacturing facility in West Virginia to produce these batteries. This recent significant order from Google represents Form Energy's first major commercial customer, validating years of research and development.

Funding and Future Outlook

With this substantial order secured, Form Energy CEO Mateo Jaramillo has indicated that the company is actively seeking to raise an additional $500 million in funding. To date, Form Energy has successfully raised $1.4 billion. The company is also reportedly preparing for a public offering next year, signaling strong confidence in its future growth and technological leadership.

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