Company

Form Energy

  • Energy
Latest funding:
$405M · Series C+ · Sep 2025

Overview

Multi-day iron-air battery storage (100 hours) for grid resilience. ~$2B+ raised. Somerville MA; founded by ex-Tesla and MIT battery researchers.

Part of the Pittsburgh ecosystem

Timeline

  1. Funding Roundtechcrunch.com ↗

    Series F at $1.7B post; iron-air 100-hour battery utility deployments.