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Ohmium

Incline Village, US · Founded 2019 · 571 employees on LinkedIn · 6 known investors

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Ohmium develops integrated outdoor green hydrogen electrolysis systems designed for rapid deployment across diverse climates and industrial applications. The company provides modular PEM electrolyzer units, engineering services, and remote monitoring for decarbonization projects globally.

Advanced ManufacturingCleantechDeep TechEnergyHardwareNew Materials

Founders & leadership

Ohmium was founded in 2019 by Arne Ballantine.

ABArne Ballantine
Arne BallantineCo-FounderExecutive Officer, Director, Promoter at Ohmium International
KB
Kirsten BurpeeFounder

Investors · 6

Energy Transition Ventureslisted by Energy Transition VenturesHouston · $100K – $5M

How we know: press coverage · funding news · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

TPGreportedSan Francisco

How we know: funding news · cen.acs.org · Not right? Tell us

Also in the syndicate · 3

Fenice Investment GroupleadFlatrock CapitalleadTemasek Holdingslead

Funding

SEC filings, press & company announcements

$266.2M disclosed across 2 of 5 rounds · 2020–2024

  • Undisclosed amountSeries COct 2024

    Fenice Investment Group (lead), Flatrock Capital (lead), Temasek Holdings (lead), TPG Rise Climate (lead)

    Source ↗
  • Undisclosed amountseries CMay 2023

    TPG (lead)

    Source ↗
  • $250MraisedApr 2023 · 2 sources
    Source ↗
  • Undisclosed amountSeries CApr 2023 · 2 sources
    Source ↗
▶$16.2MraisedDec 2020 · 4 investors · Other Energy
Rule 506(b)
Officers, directors & promoters on the filing
  • Arne BallantineExecutive Officer, Director, Promoter
Offering amount
$16.2M
Amount sold
$16.2M
First sale
Nov 2020
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

In the news

Ohmium Closes $250M Series C Fundingfinsmes.com · Apr 2023Ohmium Announces Close of $45 Million Series B Financingprnewswire.com · Apr 2022Ohmium International 4/26/2023 Capital Raise - Gaebler.com Venture Capital Databasegaebler.com

Frequently asked questions

What does Ohmium do?
Ohmium develops integrated outdoor green hydrogen electrolysis systems designed for rapid deployment across diverse climates and industrial applications. The company provides modular PEM electrolyzer units, engineering services, and remote monitoring for decarbonization projects globally.
Who founded Ohmium?
Ohmium was founded by Arne Ballantine in 2019.
Who are Ohmium's investors?
Ohmium's investors include Baruch Future Ventures, Energy Transition Ventures, TPG.
How much funding has Ohmium raised?
Ohmium has disclosed $266.2M raised across 2 of its 5 known rounds.
Where is Ohmium headquartered?
Ohmium is headquartered in Incline Village, US.