PitchBook

Ohmium Company Profile

Ohmium, founded in 2019 and headquartered in Newark, CA, is a private alternative energy company with 578 employees specializing in proton exchange membrane electrolyzer systems for cost-effective green hydrogen production, having raised $311 million in funding from investors like 3M and TPG, holding 208 patents (59 granted, 81 pending), and competing with firms such as Plug Power and Next Hydrogen Solutions.

Overview

Ohmium is a developer of proton exchange membrane (PEM) electrolyzer systems designed for cost-competitive green hydrogen production. The company's technology enables the deployment of green hydrogen by splitting water into hydrogen ions, electrons, and oxygen, supporting industrial, transportation, and energy projects.

  • Year Founded: 2019
  • Status: Private
  • Employees: 578 (as of 2026)
  • Primary Industry: Alternative Energy Equipment
  • Other Industries: Commercial Services, Environmental Services (B2B)
  • Verticals: CleanTech, LOHAS & Wellness, Climate Tech, Industrials
  • Corporate Office: 39672 Eureka Drive, Newark, CA 94560, United States
  • Website: www.ohmium.com

Valuation & Funding

  • Total Funding Raised: $311M
  • Deal History:
    • Later Stage VC (July 16, 2024)
    • Later Stage VC (Series C, April 11, 2023)
    • Early Stage VC (Series B, April 14, 2022)
    • Early Stage VC (August 12, 2020, $16.2M)
    • Accelerator/Incubator (date not specified)

Investors (Partial List)

  • 3M (Corporation)
  • The Rise Fund (Impact Investing)
  • HNVR Technology Investment Management (Venture Capital)
  • TPG (PE/Buyout)
  • Baruch Future Ventures (Family Office)

Competitors

  • Next Hydrogen Solutions (Mississauga, Canada)
  • Plug Power (New York, NY)
  • Newtrace (Bangalore, India)

Patents

  • Total Documents: 208 (applications and grants)
  • Granted: 59
  • Pending: 81

Recent Patent Activity

  • US-20260054217-A1: Electrochemical compression for hydrogen recovery and high plant yield in ammonia synthesis processes (Pending, filed August 22, 2024)
  • WO-2026043717-A1: Electrochemical compression for hydrogen recovery and high plant yield in ammonia synthesis processes (Pending, filed August 22, 2024)
  • US-12338539-B1: Hybrid electrocatalyst layers for membrane-based electrochemical devices and processes for making the same (Active, filed July 19, 2024)
  • US-12359326-B1: Hybrid electrocatalyst layers for membrane-based electrochemical devices and processes for making the same (Active, filed July 19, 2024)
  • US-20260022474-A1: Hybrid electrocatalyst layers for membrane-based electrochemical devices and processes for making the same (Pending, filed July 19, 2024, CPC: C25B9/23)

Frequently Asked Questions

When was Ohmium founded?

Ohmium was founded in 2019.

Where is Ohmium headquartered?

Ohmium is headquartered in Newark, CA.

What is the size of Ohmium?

Ohmium has 578 total employees.

What industry is Ohmium in?

Ohmium’s primary industry is Alternative Energy Equipment.

Is Ohmium a private or public company?

Ohmium is a private company.

What is Ohmium’s current revenue?

The current revenue for Ohmium is not specified.

How much funding has Ohmium raised over time?

Ohmium has raised $311M.

Who are Ohmium’s investors?

3M, The Rise Fund, HNVR Technology Investment Management, TPG, and Baruch Future Ventures are among the investors in Ohmium.

Who are Ohmium’s competitors?

Next Hydrogen Solutions, Plug Power, and Newtrace are competitors of Ohmium.