About Form Energy
Form Energy is an Energy & Utilities company based in Somerville (United States) founded in 2009 by Ted Wiley and William Woodford. Iron-air energy storage systems are developed for renewable energy projects. Form Energy has raised $2 billion across 13 funding rounds from investors including Eni Next, Macquarie Group and ArcelorMittal. The company has 902 employees. Form Energy was last valued at $2.27 billion in August 2026. Its chief executive, as recorded, is Ted Wiley. Its website formenergy.com draws about 30 thousand monthly visits. Form Energy offers products and services including Iron-Air Battery, Grid Modeling Software, and Form Factory 1. Its focus areas include Energy Tech, Energy Storage Tech, Energy Storage System and Metal Air. Its legal entity is FORM ENERGY INC. Its competitors include Ambri, Eos and NantEnergy; 2 of its 3 listed competitors have raised funding.
Company details
Form Energy was founded in 2009 and is headquartered in Somerville, United States. Operations focus on the renewable energy sector, where iron-air battery systems are engineered for long-duration power storage. These systems are designed to support grid-scale renewable projects by enabling storage for up to a year at reduced costs. Leadership includes co-founders Ted Wiley as CEO and William Woodford as CTO. The companys domain is formenergy.com.
- Total Equity Funding$2B (USD)
in 13 rounds
- Latest Funding Round$270M (USD), Debt – Conventional
Sep 2026
- InvestorsEni Next
& 44 more
- Employee Count902
Products & Services of Form Energy
Form Energy offers a comprehensive portfolio of products and services, including Iron-Air Battery, Grid Modeling Software, and Form Factory 1.
Battery for cost-effective, long-duration energy storage.
Tool for analyzing and optimizing electric grid performance.
High-volume plant for producing iron-air battery systems.
Apps and channels of Form Energy
its YouTube channel Form Energy has 988 subscribers and 30 videos.
Videos from Form Energy
The most watched videos on Form Energy's YouTube channel, Form Energy (988 subscribers). Click a video to play it here.
More on Form Energy.
Funding Insights of Form Energy
Form Energy has successfully raised a total of $2B across 13 strategic funding rounds. The most recent funding activity was a Debt – Conventional round of $270 million completed in September 2026. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $2B
- Total Rounds 13
- Last Round Debt – Conventional — $270M
- First Round $7.41M
(Feb 2018)
- Investors Count 45
Latest 10 of 13 funding rounds of Form Energy with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Sep 2026 | $270M | Debt – Conventional | – | – | – |
| Aug 2026 | $750M | Series G | – | T. Rowe Price | |
| Jan 2026 | Series F | – | – | ||
| Oct 2024 | $405M | Series F | – | T. Rowe Price | |
| Jan 2024 | Series F | – | – | ||
| Aug 2023 | $12M | Grant | – | – | |
| Sep 2022 | $450M | Series E | – | ArcelorMittal, CPP Investments | |
| Jul 2021 | $155.19M | Series D | – | ArcelorMittal | |
| Aug 2020 | $76M | Series C | – | Coatue | |
| Aug 2019 | $40M | Series B | – | Eni Next |
| Date | Valuation | Stage |
|---|
Full valuation and stage history of Form Energy
Every valuation point, the growth-stage changes (minicorn, soonicorn, unicorn) and the dates behind them require an active premium plan.
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Last known valuation $2.27B (Aug 2026). 45 investors in total: 42 institutional and 3 angel.
Investors in Form Energy
Form Energy has secured backing from 45 investors, including institutional, venture fund, and angel investors. Prominent investors backing the company include Eni Next, Macquarie Group and ArcelorMittal.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Fund of funds focused on pre-seed and seed-stage companies | 1992 | tpg.com | Fort Worth, United States | |
Provider of an investment platform for various stages | coatue.com | New York, United States | ||
Venture capital fund focused on growth-stage startups | energyimpactpartners.com | New York, United States | ||
Early-stage technology startups are funded by Engine Ventures venture capital. | engineventures.com | Cambridge, United States | ||
An investment platform is provided for diverse sectors and geographies. | 1974 | temasek.com.sg | Singapore, Singapore | |
Sovereign wealth is managed and private equity investments are facilitated. | gic.com.sg | Singapore, Singapore | ||
Climate companies are invested in by this venture capital firm. | preludeventures.com | San Francisco, United States | ||
Climate tech ventures are funded by Gigascale Capital firm. | gigascale.com | Palo Alto, United States | ||
Venture capital fund focused on multiple sector | blindspot.vc | Boston, United States | ||
VamosVentures is focused on funding diverse tech startup founders. | vamosventures.com | Los Angeles, United States |
Investor details for Form Energy
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
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People of Form Energy
207 people are tracked at Form Energy (28 in leadership, 179 in team); the tracked headcount is 902.
| Name | Role | Group |
|---|---|---|
Ted Wiley | Co-Founder & CEO | Leadership |
William Woodford | Co-Founder & CTO | Leadership |
Katherine Spriggs | Senior Director Of Advanced Product Development And Electrode Engineering | Leadership |
Roman Glaub | Director Of Manufacturing Engineering | Leadership |
Alexis Michaut | Head Of Manufacturing & Industrial | Leadership |
Mateo Jaramillo | CEO | Leadership |
Yet-Ming Chiang | Chief Science Officer | Leadership |
Christopher Reynolds | VP, Research & Development | Leadership |
Charlotte Beard | CFO | Leadership |
Marco Ferrara | Chief Digital Officer | Leadership |
Beth Codner | Chief People Officer | Leadership |
Athina | Director Of Supply Chain | Leadership |
Christopher R. | Vice President Of Research And Development | Leadership |
Catherine Carmichael | Vice President Of Global Supply Chain | Leadership |
Soufiane Halily | Vice President, Form Factory & Manufacturing Engineering | Leadership |
Vlad Tarasov | Director, Prototype Electrode Manufacturing | Leadership |
Wim Petersen | Director Of Information Technology | Leadership |
Molly Head | People Partner Lead | Leadership |
Joseph Manser | Director, Form Futures | Leadership |
Nicole Myers (She/Her) | Director, Talent | Leadership |
187 more people are available in the full profile.
Complete people profiles for Form Energy
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Timeline of Form Energy
4 dated milestones of Form Energy across 17 years, from founding to its latest funding, stage changes and deals.
- Founded Form Energy is founded.
- Funding First funding round of $7.4M.
- Milestone Reaches Unicorn status.
- Funding Latest funding round, Debt – Conventional, of $270.0M.
Competitors of Form Energy
Form Energy has 3 listed competitors in our database, 2 of them funded. They include Ambri, Eos and NantEnergy.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| ambri.com | 2010 | Marlborough, United States | $222.43M | 141 | Liquid metal batteries are provided for long-duration energy storage. | |
| eose.com | 2008 | Edison, United States | $65.04M | 53 | Provider of zinc based energy storage solutions | |
| nantenergy.com | 2006 | Culver, United States | Manufacturer of the zinc-air energy storage system |
Detailed competitors of Form Energy
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Web traffic of Form Energy
The website of Form Energy (formenergy.com) receives about 29.9K visits a month.
- Monthly visits29.9K
▲ 15.4% vs previous month
Websites whose visitors overlap most with Form Energy. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| eni.com | 100% | 1.2M | #41,082 | View details | |
| essinc.com | 95% | 19.2K | #1,230,429 | View details | |
| fluenceenergy.com | 95% | 87.4K | #350,139 | View details | |
| utilitydive.com | 95% | 680.7K | #209,460 | View details | |
canarymedia.com | canarymedia.com | 95% | #145,883 | – | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 12 similar websites and full traffic analytics for Form Energy
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- 12 similar websites
- Audience overlap
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Top companies in Energy Storage Systems
3 companies that operate in the same segment as Form Energy (Energy Storage Systems) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Electric buses and charging systems are manufactured for fleets. | 2004 | Burlingame, California, United States | USD 857.79 M | USD 309.36 M | 418 | |
Silicon-based solar PV modules are manufactured for diverse applications. | 1985 | San Jose, California, United States | USD 171.73 M | USD 300 M | 600 | |
Portable electric vehicle charging solutions are developed and provided. | 2014 | Boston, Massachusetts, United States | USD 104.86 M | 50 |
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Related news about Form Energy
Complete news archive for Form Energy
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Frequently Asked Questions about Form Energy
Form Energy was founded in 2009 and raised its 1st funding round 9 years after it was founded.
Form Energy is headquartered in Somerville, United States. It is registered at Somerville, Massachusetts, United States.
Ted Wiley is the CEO of Form Energy, as recorded in our data. They have also founded this company.
Form Energy is a funded company, having raised a total of $2B across 13 funding rounds to date. The company's 1st funding round was a Series B of $40M, raised on Feb 2018.
Form Energy has 902 employees.
Form Energy was founded in 2009 and is headquartered in Somerville, United States. Operations focus on the renewable energy sector, where iron-air battery systems are engineered for long-duration power storage. These systems are designed to support grid-scale renewable projects by enabling storage for up to a year at reduced costs. Leadership includes co-founders Ted Wiley as CEO and William Woodford as CTO. The companys domain is formenergy.com.
Form Energy's top competitors include Ambri, Eos and NantEnergy.
Form Energy offers Iron-Air Battery, Grid Modeling Software, and Form Factory 1.
Form Energy has 45 investors. Key investors include Eni Next, Macquarie Group, ArcelorMittal, TPG, and T. Rowe Price.
The valuation of Form Energy is $2.27B as of Aug 2026.
Form Energy operates through Form Energy Inc..