# Ohmium: Semiconductors, Fremont, United States

> Ohmium: Ohmium is a renewable energy semiconductor manufacturing company founded in 2019, headquartered in Newark, California. Based in Fremont, United States.

Source: https://millionrounds.com/startup/ohmium (Millionrounds; every figure on the page links to its filing or article)

United States · [Semiconductors startup](https://millionrounds.com/companies)

# Ohmium

Ohmium is a renewable energy semiconductor manufacturing company founded in 2019, headquartered in Newark, California.

Funding reported Last round: Corporate round

Semiconductors Fremont, United States

Company summary

- **Founded:** 2019 7 years old
- **Team:** 600 201 to 1,000 people
- **Funding reported:** $295M in dollars
- **Last round:** Corporate round Jul 2024

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Ohmium has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About Ohmium

Ohmium is a renewable energy semiconductor manufacturing company founded in 2019, headquartered in Newark, California.

The company specializes in designing, manufacturing, and deploying modular proton exchange membrane (PEM) electrolyzer systems that facilitate cost-effective green hydrogen production. Ohmium's mission is to accelerate the adoption of green hydrogen to help decarbonize hard-to-abate sectors and promote a low-carbon future. The company's flagship product, the Lotus PEM Electrolyzer, is a modular and stackable system that efficiently splits water into hydrogen and oxygen using renewable energy. Ohmium offers end-to-end deployment services, managing a global pipeline of green hydrogen projects exceeding 2 GW across various regions. With a team of approximately 575 employees and significant funding of over $311 million, Ohmium is positioned as a key player in the green hydrogen market, targeting industrial, transportation, and energy sectors that require sustainable solutions.

## What company datasets say Ohmium raised

Funding, as reported

Reported in all **$295M** in dollars

Rounds **3**

Last round **Corporate round**

Last round date **Jul 2024**

Investors listed **5**

Valuation **$1.0B, Oct 2024**

## Founders and team

From Ohmium's own website: 1 founder, 10 on the team.

**Arne Ballantine** Co-Founder and Board Member

- **Dr. Markus Tacke** Chief Executive Officer
- **Ashwin Varma** Chief Operating Officer
- **Christos Mimikopoulos** Chief Product Services & Fleet Operations Officer
- **Dr. Chock Karuppaiah** Chief Science and Technology Officer
- **Gregory Scallen** Chief Legal Officer
- **Jason Hixson** Chief Product and Engineering Officer
- **Mark Griffin** Chief Commercial Officer
- **Regan Shine** Chief Financial Officer
- **Sarah Roth** Chief Human Resources Officer
- **Igor Nus** VP Sales and BD, Europe

## On 2 portfolio pages

Investors who name them

- [Baruch Future Ventures](https://millionrounds.com/fund/baruch-future-ventures)
- [Energy Transition Ventures](https://millionrounds.com/fund/energy-transition-ventures)

Each firm lists Ohmium on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## The company, in detail

What they build

Known for

hardware hydrogen generation pem electrolyzer semiconductors electrolyzer services electrolysis hydrogen applications hydrogen b2b green hydrogen renewable energy semiconductor manufacturing

Built with from their website

Amobee Google Tag Manager DC Storm Amazon CloudFront OneTrust Tech Risk & Compliance Cross Pixel Media Graphy Spectro Compressor edX

+8 more

EFI Linkedin Insight Tag Viewable Media C/C++ YouTube CloudFlare Gem Viewport Meta

- **Sector:** Semiconductors
- **Industry code:** NAICS 31-33, 54171
- **Region:** California
- **Revenue:** $380M a year, as listed
- **Full record:** [Every detail in the company directory](https://millionrounds.com/directory/ohmium)

## Semiconductors in United States

Startups like it

- [**d-Matrix** Santa Clara · founded 2019 *Raised*](https://millionrounds.com/company/d-matrix)
- [**Celestial AI** Santa Clara · founded 2020 *Raised*](https://millionrounds.com/company/celestial-ai)
- [**Teradar** Boston · founded 2021 *Raised*](https://millionrounds.com/company/teradar)
- [**Terabase Energy** Berkeley · founded 2019 *Raised*](https://millionrounds.com/company/terabase-energy)
- [**Celero Communications** Irvine · founded 2024 *Raised*](https://millionrounds.com/company/celero-communications)
- [**Delos Data** Palo Alto *Raised*](https://millionrounds.com/company/delos-data)
- [**Amogy** New York · founded 2020 *Raised*](https://millionrounds.com/company/amogy)
- [**Ethernovia** San Jose · founded 2018 *Raised*](https://millionrounds.com/company/ethernovia)

## Is this your company?

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