Form Energy raises $750M to scale grid-scale AI data center batteries
Form Energy has raised $750 million in Series G funding to scale manufacturing of its long-duration iron-air battery technology. The investment is driven by surging power demands from AI data centers, with major streaming-relevant firms like Google already utilizing the technology for infrastructure resilience.
Key Takeaways
- Series G funding led by T. Rowe Price brings Form Energy's total equity raised to over $2 billion.
- The company maintains a commercial project backlog of 80 gigawatt-hours, a fourfold increase since early 2026.
- Iron-air chemistry uses domestic materials to provide up to 100 hours of discharge, significantly exceeding the 4-hour limit of standard lithium-ion systems.
- Google and Xcel Energy are collaborating on a 30-gigawatt-hour installation in Minnesota to support hyperscale data center operations.
Why It Matters
The investment signals a critical shift in streaming infrastructure, moving from short-term peak shaving to long-duration energy security. As AI data center capacity is projected to consume 20% of U.S. electricity by 2035, the ability to bridge multi-day renewable energy gaps becomes a non-negotiable requirement for 24/7 uptime. For the streaming ecosystem, this technology mitigates the risk of service disruptions caused by grid instability during extreme weather or peak demand periods. Industry observers should monitor the completion of the Minnesota project in late 2028, which will serve as the primary test for scaling iron-air technology to utility-grade capacity.
Additional Context
The push for long-duration energy storage comes as U.S. data center demand is forecasted to reach up to 12% of total national electricity consumption by 2028, per the Lawrence Berkeley National Laboratory in February 2026. This surge is largely driven by AI inference and training workloads, which are significantly more energy-intensive than traditional cloud services. To manage these costs and maintain aggressive carbon-free mandates, hyperscalers are increasingly adopting novel funding models. For instance, Google utilized a "clean transition tariff" in 2026 to fund its 1.9-gigawatt renewable portfolio in Minnesota, allowing large energy users to pay for emerging technologies without shifting costs to residential ratepayers.
Simultaneously, competitive pressure in the battery sector is intensifying as Chinese manufacturers continue to dominate the global supply chain. Per SNE Research in August 2026, CATL alone maintained nearly 40% of the global battery market share. U.S. policymakers and administrations have responded by incentivizing domestic production to reduce reliance on foreign minerals like lithium and cobalt. Form Energy’s reliance on abundant iron and a supply chain that is 80% U.S.-based aligns with these strategic goals, providing a geopolitical advantage for tech firms seeking to secure their domestic infrastructure pipelines ahead of a targeted 2027 IPO for the battery startup. Pennsylvania ends fast-track for data centers highlights the growing legislative focus on these energy-intensive facilities.
Read full article at techcrunch.com
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