Form Energy

Energy Storage For a Better World

Somerville, United States · Founded 2017 · $2.6B raised

Employees
501–1000
Founded
2017
Business Model
B2B
Total Funding
$2.6B
Last Round
$750.0M Series G+Aug 2026
Rounds
8

About

Form Energy develops iron-air battery systems capable of storing and discharging electricity for up to 100 hours, enabling multi-day grid-scale energy storage from low-cost, abundant materials. Founded in 2017 and manufacturing at Form Factory 1 in Weirton, West Virginia, the company has secured major contracts including a 300 MW system with Xcel Energy to power a Google data center in Minnesota.

Summary

Form Energy is a Climate Tech company based in Somerville, United States, founded in 2017. It has raised $2.6B in total across 8 rounds, most recently a $750.0M Series G+ round in Aug 2026. Investors include TPG (Growth/Rise), Google and T. Rowe Price.

Tech & App Stack

4 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

Sign up to view the funding chart

Create a free account with 25 free credits every month, no card needed, to unlock funding history, valuations, and tech stacks.

Series G+Series GAug 2026
$750.0M

Sign up to see all 8 rounds

Seed through Series G+ — per-round amounts, valuations, and who invested in each round.

Investors

Similar Companies

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

Form Energy on Indexed.vc
<a href="https://indexed.vc/companies/form-energy"><img src="https://indexed.vc/api/badge/company/form-energy" alt="Form Energy on Indexed.vc" width="260" height="76" /></a>