Innovative long-Duration Battery Powers Google’s New Minnesota Data Center
Google is launching a cutting-edge data center in Minnesota that operates entirely on renewable energy, harnessing wind and solar power alongside a revolutionary battery system created by the startup Form Energy.This advanced storage solution is designed to deliver continuous electricity for several days, tackling one of the most meaningful obstacles in sustainable energy management.
Transforming Energy Storage with Iron-Air Battery Technology
At the heart of this project lies Form energy’s iron-air battery, capable of supplying a consistent 300 megawatts for up to 100 hours without interruption. Unlike conventional lithium-ion batteries that depend on scarce materials, this technology uses an electrochemical reaction where oxygen interacts with iron inside the cells-essentially “breathing” as it oxidizes iron and generates electrical current. This process enables unprecedented long-duration energy discharge at utility scale.
This innovation will stabilize power output from 1.4 gigawatts of wind turbines and 200 megawatts of solar panels connected to the grid, ensuring steady electricity even during periods without sun or wind.
significant Investment Highlights Confidence in Clean Technology
The initiative represents nearly $1 billion in investment, reflecting Google’s dedication to building resilient infrastructure powered by breakthrough clean technologies. Form energy has spent years refining this battery system and recently inaugurated a dedicated manufacturing plant in West Virginia focused solely on producing these iron-air batteries.
This agreement marks Form energy’s first large-scale commercial deployment following extensive advancement phases.The company is currently securing $500 million in new funding after raising about $1.4 billion previously-demonstrating strong investor trust as it prepares for an anticipated public offering next year.
The Role of Long-Duration Storage in Renewable Integration
- Storing vast amounts of renewable energy over multiple days addresses intermittency challenges that have limited reliance on wind and solar alone.
- This model offers valuable insights for other technology leaders striving toward carbon-neutral operations while guaranteeing uninterrupted service worldwide.
- Utilizing abundant materials like iron instead of rare lithium resources could make these batteries more scalable and cost-effective across global markets.
Sustainable Data Centers: Meeting Growing Digital Demand Responsibly
Data centers now consume close to 1% of global electricity demand-a figure expected to rise sharply with expanding digital services. Integrating long-duration storage solutions like those at Google’s Minnesota facility demonstrates how combining diverse renewables with innovative battery technology can build robust infrastructure ready for future needs while minimizing environmental impact.
“Merging breakthrough chemistry with large-scale renewable generation establishes a new standard poised to transform industrial approaches toward clean energy adoption.”




