Primus Power Stock

Renewables & Environment

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Notable Investors

Success Dragon


Hayward CA, US

Total Funding


About Primus Power Stock

Primus Power is a privately held, Northern California based producer of flow batteries: Big Batteries for the Smart Grid. These patented, liquid batteries provide flexible capacity from 25kW to 25MW, for stationary, grid scale applications. Primus' EnergyPod provides 5 hours of energy discharge and a long twenty year life span. These Zinc Bromine batteries are safe and low maintenance. The company has systems installed and working in the field both domestically and internationally and has a growing backlog. The second generation EnergyPod 2 announced production February 21, 2017 with a reduced footprint, low cost of goods, and high reliability components to deliver superior power density. The company has proven technology with installed systems that are working in the field. Investors include Nancy Pfund at DBL Investors, Vancouver based Chrysalix Energy VC, I2BF, Palo Alto based Kleiner Perkins, Anglo American, Rusnano, and Kazyna Capital Management.


Anglo American Platinum

Primus Power

California Energy Commission

Primus Power

Chrysalix Venture Capital

General Fusion, Primus Power, GlassPoint Solar

Matador Capital Partners

Primus Power

Success Dragon

Primus Power

Funding History

August 2009$4.1M
May 2011$11.1M
December 2013$29.0M
July 2015$70.8M
March 2017$44.6M


Chief Executive Officer

Tom Stepien


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