Form Energy CEO on the Potential for a 100-Hour Battery

Key Takeaways

• Form Energy's iron‑air battery can discharge for 100 hours continuously
• Partnership with Google and Xcel Energy targets a 30 GWh battery project
• Inflation Reduction Act tax credits still support storage manufacturing and deployment
• CEO aims for $20/kWh battery cost in near term

Pulse Analysis

The emergence of 100‑hour batteries marks a turning point for grid resilience, especially as data centers proliferate and demand spikes. Traditional thermal plants have long provided firm capacity, but their emissions and fuel price volatility are increasingly untenable. Long‑duration storage can smooth intermittent renewable output, offering utilities a dispatchable resource that bridges the gap between short‑term batteries and baseload generators, thereby reducing reliance on fossil fuels.

Form Energy’s iron‑air chemistry distinguishes itself by delivering multi‑day discharge at a projected low cost. The recent collaboration with Google and Xcel Energy to build a 30 GWh system—equivalent to powering roughly 300,000 homes for a day—demonstrates confidence in scaling the technology. Moreover, the company benefits from the Inflation Reduction Act’s storage tax credits, which still cover both project deployment and manufacturing, providing a financial cushion that accelerates market adoption.

Cost competitiveness remains the ultimate litmus test. Jaramillo’s target of $20 per kilowatt‑hour, if achieved, would undercut many conventional storage solutions and make long‑duration batteries attractive for utilities, developers, and large‑scale energy users. As bipartisan support for storage grows and data‑center load continues to rise, Form Energy’s progress could catalyze a broader shift toward renewable‑dominant grids, reshaping investment patterns and policy priorities across the energy sector.