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Ohmium

Ohmium

Private
Newark, CaliforniaEnergy & Sustainabilityhttps://www.ohmium.com/

Last Round

Strategic

Jul 16, 2024

Total Funding Raised

$295M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Ohmium is a clean energy company that designs, manufactures, and deploys modular proton exchange membrane (PEM) electrolyzer systems for green hydrogen production.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Alternative Fuels, Clean Manufacturing

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

green hydrogenPEM electrolyzerproton exchange membranehydrogen productionmodular electrolyzersH2 techclean hydrogenelectrolyzer stackrenewable energy integrationhydrogen infrastructureengineering procurement constructionEPCfront-end engineering designFEEDelectrolyzer management

Historical Pricing

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Caplight Momentum Score

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Ohmium Comparables

Compare Ohmium with similar companies based on industry and business-model similarity.

Ohmium comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Electric Hydrogen
86%
Hystar
86%
ITM Power Plc
85%

Ohmium Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicJul 16, 2024
Series CApr 26, 2023
Series BApr 14, 2022

Key People

Founding team and executive leadership

Arne Ballantine

Chief Executive Officer, Co-Founder

Founding Team

Markus Tacke

Chief Executive Officer

Executive Team

Regan Shine

Chief Financial Officer

Executive Team

Ohmium Investors

Notable investors and investment history

Ohmium investors
InvestorRounds
TPG Rise ClimateSeries C
Fenice Investment GroupSeries C, Series B
HanoverSeries C
Energy Transition VenturesSeries C, Series B
3MStrategic

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 23, 2026

    Expanding sales and business development into the Japan market.

  • Jan 23, 2026

    Hiring Sales Manager for DACH region (Germany, Austria, Switzerland).

Ohmium Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Ohmium Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Ohmium's valuation, stock price, and market status.

Firmographic Details

HeadquartersNewark, California
Employee Range555
Year Founded2019
Last FundingJul 16, 2024

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