Primus Power

Hayward, United States Founded: 2009 • Age: 17 yrs
Zinc bromide flow battery storage is provided for energy applications.
Annual revenue - Latest available
Total funding $92.0M 10 rounds
Employees 18 Tracked headcount
Investors 11 Known backers
Products - Services tracked
Competitors 10 Brand Intelligence

About Primus Power

Primus Power is a company based in Hayward (United States) founded in 2009 by Tom Stepien. Primus Power has raised $92 million across 10 funding rounds from investors including Kleiner Perkins, DOE and California Energy Commission. The company has 18 employees as of December 31, 2021. Primus Power operates in a competitive market with competitors including VoltStorage, Allegro Energy, VisBlue, HalioGEN Power and VSUN Energy, among others.

  • Headquarter Hayward, United States
  • Employees 18 as on 31 Dec, 2021
  • Founders Tom Stepien
  • Sectors
    Energy & Utilities
  • Email
    Locked
  • Phone
    Locked
  • Website
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  • Social
    Locked
  • Legal Name Primus Power Corporation
Operational Areas
Energy & Utilities → Energy Storage & Efficiency Unlock Sub-Sector Unlock Segment
Key Metrics
  • Annual Revenue
    Not available
  • Net Profit
    Not available
  • EBITDA
    Not available
  • Total Equity Funding
    $92 M (USD)

    in 10 rounds

  • Latest Funding Round
    $32 M (USD), Series D

    Mar 24, 2017

  • Investors
  • Employee Count
    18

    as on Dec 31, 2021

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People of Primus Power

Headcount 10-50
Employee Profiles 7
Employee Profiles
People
Ryan Talbot
Software Engineering Manager
People
Tom Stepien
Co-Founder
People
G.J. La O’
VP, Technology
People
Darryl Seymour
IT Contractor

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Teams

Funding Insights of Primus Power

Primus Power has successfully raised a total of $92M across 10 strategic funding rounds. The most recent funding activity was a Series D round of $32 million completed in March 2017. 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.

Investors in Primus Power

Primus Power has secured backing from 11 investors, including venture fund and institutional investors. Prominent investors backing the company include Kleiner Perkins, DOE and California Energy Commission.

All
Venture Fund
Institutional
Investor Description Founded Year Domain Location
Matador Capital is engaged in opportunistic value investing.
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Venture capital investments are directed toward multiple sectors.
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Early-stage technology companies are funded by this venture capital firm.
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Investor details for Primus Power

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Investments & Acquisitions by Primus Power

Investments
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Investment portfolio details for Primus Power

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Financial Statements - Primus Power

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Detailed financials for Primus Power

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Primus Power Comparisons

Primus Power Primary company
Description
Zinc bromide flow battery storage is provided for energy app...
Location
Hayward, United States
Founded Year
2009
Annual Revenue
Not available
Net Profit
Not available
EBITDA
Not available
Employees
18
As of 2021
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Peer comparison for Primus Power

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Competitors of Primus Power

Primus Power operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as VoltStorage, Allegro Energy, VisBlue, HalioGEN Power and VSUN Energy, among others.

Company Name Domain Founded year HQ Location Description
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Vanadium-redox flow battery-based energy storage units are provided.
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Energy storage services are provided for a zero-carbon economy.
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Battery storage system provider
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Membraneless redox flow batteries are provided for energy storage.
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Provides vanadium flow batteries for energy storage and grid support applications.
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Detailed competitors of Primus Power

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Latest news on Primus Power

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Complete news archive for Primus Power

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Frequently Asked Questions about Primus Power

Primus Power was founded in 2009.

Primus Power is headquartered in Hayward, United States. It is registered at Hayward, California, United States.

Tom Stepien is the current CEO of Primus Power. They have also founded this company.

Primus Power is a funded company, having raised a total of $92M across 10 funding rounds to date.

As of Dec 31, 2021, the latest employee count at Primus Power is 18.

Primus Power was founded in 2009 and is based in Hayward, United States. Operations focus on the energy storage sector, where zinc bromide flow batteries are developed for long-duration applications. Fade-free solutions are offered through distributed systems that support transmission capacity enhancement, renewable energy integration, and frequency regulation services.

Primus Power's top competitors include VoltStorage, Allegro Energy and VisBlue.

Primus Power has 11 investors. Key investors include Kleiner Perkins, DOE, California Energy Commission, Matador Capital, and Anglo American.

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