About Eos
Eos is a publicly listed company based in Edison (United States) founded in 2008 by Steven Amendola. Provider of zinc based energy storage solutions. Eos has raised $65.04 million across 11 funding rounds from investors including NRG Energy, Koch Industries and New York State Energy Research and Development Authority. The company has 430 employees. Its chief executive, as recorded, is Joe Mastrangelo. Its website eose.com draws about 116 thousand monthly visits. Eos offers products and services including Eos Cube, Eos Hangar, Eos Stack, and Eos Software. Its focus areas include Energy Tech, Energy Storage Tech, Energy Storage System and Metal Air. Its competitors include Form Energy and NantEnergy; 1 of its 2 listed competitors has raised funding.
Company details
Founded in 2008 and based in Edison, United States, Eos operates in the energy storage sector. Aqueous zinc technology is utilized to deliver safe, scalable, efficient, and sustainable systems. These solutions support utility-scale and commercial applications, focusing on grid reliability and renewable integration across various geographic markets.
- Annual Revenue$15.61 M (USD)-4.71as on Dec 31, 2024
- Net Profit-$685.87 M (USD)-198.85as on Dec 31, 2024
- EBITDA-$156.93 M (USD)-16.24as on Dec 31, 2024
- Total Equity Funding$65.04M (USD)
in 11 rounds
- Latest Funding Round$600M (USD), Post-IPO
Nov 2025
- InvestorsNRG Energy
& 8 more
- Employee Count430
Products & Services of Eos
Eos offers a comprehensive portfolio of products and services, including Eos Cube, Eos Hangar, Eos Stack, and Eos Software.
Zinc-powered storage for clean energy and renewable integration
Durable battery for grid resilience applications
Flexible zinc technology for local power generation
Platform for monitoring and optimizing energy storage systems
Funding Insights of Eos
Eos has successfully raised a total of $65.04M across 11 strategic funding rounds. The most recent funding activity was a Post-IPO round of $600 million completed in November 2025. 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 $65.04M
- Total Rounds 11
- Last Round Post-IPO — $600M
- First Round $99,999
(Jul 2009)
- Investors Count 9
Latest 10 of 11 funding rounds of Eos 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 |
|---|---|---|---|---|---|
| Nov 2025 | $600M | Post-IPO | – | – | – |
| Jan 2023 | $13.75M | Post-IPO | – | – | |
| Jul 2021 | $100M | Post-IPO | – | – | |
| Oct 2016 | $23M | Series C | – | – | – |
| Apr 2016 | $2M | Grant | – | – | |
| May 2015 | $23M | Series C | – | AltEnergy | |
| Dec 2014 | $2.1M | Grant | – | – | |
| Nov 2014 | $18.94M | Series B | – | NRG Energy, Fisher Brothers | – |
| Mar 2014 | $1M | Grant | – | – | |
| Apr 2013 | $250,000 | Grant | – | – |
9 investors in total: 9 institutional.
Investors in Eos
Eos has secured backing from 9 investors, including institutional and venture fund investors. Prominent investors backing the company include NRG Energy, Koch Industries and New York State Energy Research and Development Authority.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
An entrepreneurial investor in alternative energy opportunities is provided. | altenergyllc.com | Rowayton, United States | ||
Government agency focused on clean energy investments | 1974 | energy.ca.gov | United States | |
Fisher Brothers is engaged in real estate development and management. | fisherbrothers.com | New York, USA | ||
Invests in innovative companies driving sustainability in food, water, energy. | 2021 | clearcreekinv.com | Solana Beach, United States | |
Manages a hedge fund with a long/short investment strategy. | 1987 | ardsley.com | Stamford, United States | |
Diversified operations in oil, gas, manufacturing, and investments are conducted. | 1940 | kochind.com | Wichita, United States | |
Petrochemicals, carbon materials, and basic chemicals are supplied by OCI. | 1959 | oci.co.kr | Seoul, South Korea | |
Energy generation and storage are managed on a large scale. | 1989 | nrg.com | Princeton, United States | |
Energy research and development are advanced by this state agency. | 1975 | nyserda.ny.gov | United States |
Investor details for Eos
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People of Eos
51 people are tracked at Eos (24 in leadership, 27 in team); the tracked headcount is 430.
| Name | Role | Group |
|---|---|---|
Steven Amendola | Co-Founder | Leadership |
Joe Mastrangelo | CEO | Leadership |
Keith A. Goshia | Director Of Global Codes, Standardization And Product Compliance | Leadership |
Matt Magyar | Director Of Quality | Leadership |
Michael W. Silberman | Chief Legal Officer And Corporate Secretary | Leadership |
John Mahaz | Chief Operating Officer | Leadership |
Randall B. Gonzales | Chief Financial Officer | Leadership |
Josh Payne | Vice President Of Manufacturing Engineering And Design | Leadership |
Jason Greggs | Vice President Of Manufacturing | Leadership |
Francis Richey | VP, Research & Development | Leadership |
Steve Lever | Senior Director Of Product Testing And System Integration | Leadership |
Pranesh Rao | Senior VP Of Storage Systems Engineering | Leadership |
Nathan Kroeker | Chief Commercial Officer (cco) | Leadership |
Sumeet Puri | Chief Accounting Officer (cao) | Leadership |
Sara Bowers | Director Of Intellectual Property & Senior Research Manager | Leadership |
Sven Rothfuss | VP Of Service | Leadership |
Jude Lepri | Vice President - Financial Planning And Analysis | Leadership |
Dana Brown | Director, Field Service Operations | Leadership |
Elizabeth Higley | Director Of Investor Relations | Leadership |
Alessio Mariani | Vice President, Europe | Leadership |
31 more people are available in the full profile.
Complete people profiles for Eos
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IPO & Listings of Eos
Eos is a publicly listed company on the NASDAQ with ticker symbol EOSE in USA, operating in the Producer manufacturing sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.
- IPO date03 Jun 2020
- Listed onNASDAQ: EOSE
- Listed entityEos Energy Enterprises, Inc.
- Exchange sectorProducer manufacturing
- ISINUS29415C1018
- Share price$2.32 (-2.93% on the day) · 2026-10-13
- Market capitalisation$844.9M
- EPS (diluted, trailing year)$-6.83
- Volume (last session)19,648,574
Financials of Eos
| Year | Revenue | Net income | EBITDA |
|---|---|---|---|
| 2025 | $114.2M | -$1.74B | -$241.4M |
| 2024 | $15.6M | -$685.9M | -$156.9M |
| 2023 | $16.4M | -$229.5M | -$135.0M |
| 2022 | $17.9M | -$229.8M | -$206.8M |
| 2021 | $4.6M | -$124.2M | -$100.5M |
Detailed financial statements for Eos
Statement rows, ratios, five-year trends and downloadable financials of the group companies require an active premium plan.
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Timeline of Eos
4 dated milestones of Eos across 17 years, from founding to its latest funding, stage changes and deals.
- Founded Eos is founded.
- Funding First funding round of $100K.
- IPO Lists on the stock exchange (IPO).
- Funding Latest funding round, Post-IPO, of $600.0M.
Competitors of Eos
Eos has 2 listed competitors in our database, 1 of them funded. They include Form Energy and NantEnergy.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| formenergy.com | 2009 | Somerville, United States | $2B | 372 | Iron-air energy storage systems are developed for renewable energy projects. | |
| nantenergy.com | 2006 | Culver, United States | Manufacturer of the zinc-air energy storage system |
Detailed competitors of Eos
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Web traffic of Eos
The website of Eos (eose.com) receives about 116K visits a month and ranks #483,403 among all websites worldwide, #6,503 in Energy Industry.
- Monthly visits116K
▲ 45.8% vs previous month
- Unique visitors33.4K
per month
- Global rank#483,403
among all websites
- Category rank#6,503
Heavy Industry and Engineering · Energy Industry
- Bounce rate41%
- Pages per visit1.8
- Average visit28 sec
- DevicesDesktop 29% · Mobile 71%
Websites whose visitors overlap most with Eos. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
energytech.com | energytech.com | 100% | #1,983,001 | – | |
altenergymag.com | altenergymag.com | 100% | #1,023,425 | – | |
dailyenergyinsider.com | dailyenergyinsider.com | 100% | #2,331,045 | – | |
rechargenews.com | rechargenews.com | 100% | #230,977 | – | |
canarymedia.com | canarymedia.com | 100% | #145,883 | – | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 8 similar websites and full traffic analytics for Eos
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Top companies in Energy Storage Systems
3 companies that operate in the same segment as Eos (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 | |
Iron-air energy storage systems are developed for renewable energy projects. | 2009 | Somerville, Massachusetts, United States | USD 2 B | 902 |
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Related news about Eos
Complete news archive for Eos
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Frequently Asked Questions about Eos
Eos was founded in 2008 and raised its 1st funding round 1 year after it was founded.
Eos is headquartered in Edison, United States. It is registered at Edison, New Jersey, United States.
Joe Mastrangelo is the CEO of Eos, as recorded in our data.
Eos is a funded company, having raised a total of $65.04M across 11 funding rounds to date. The company's 1st funding round was a Grant of $250K, raised on Jul 2009.
Eos has 430 employees.
Annual revenue of Eos is $15.61M as on Dec 31, 2024.
Founded in 2008 and based in Edison, United States, Eos operates in the energy storage sector. Aqueous zinc technology is utilized to deliver safe, scalable, efficient, and sustainable systems. These solutions support utility-scale and commercial applications, focusing on grid reliability and renewable integration across various geographic markets.
Eos's top competitors include Form Energy and NantEnergy.
Eos offers Eos Cube, Eos Hangar, Eos Stack, and Eos Software.
Yes, Eos is publicly traded on NASDAQ under the ticker symbol EOSE.
Eos has 9 investors. Key investors include NRG Energy, Koch Industries, New York State Energy Research and Development Authority, OCI, and California Energy Commission.
The website of Eos receives about 116 thousand visits a month and ranks #483,403 among all websites worldwide.