Subscribe for Email Updates
Donate
About Us
What is Prime
Who is Prime
Careers at Prime
Investments
Climate Impact
Publications
Get Involved
For Philanthropic Investors
For Entrepreneurs
For Pipeline Partners
Prime Impact Fund portfolio investments
C-Motive
Redesigning the electric motor to be more efficient and cost productive.
Lilac Solutions
Working to improve lithium extraction for electric vehicles and energy storage
MicroByre
Domesticating bacteria for use in climate-relevant biochemical transformations such as biomass digestion
Via Separations
Developing a membrane-driven industrial separation process that reduces energy consumption
Treau
Reinventing air conditioning around a novel polymer-based heat exchanger
Verdox
Developing a new, electrochemical approach to direct air capture of carbon dioxide
Clean Crop Technologies
Reducing food waste and crop loss using ionized air
Sublime Systems
Developing technology for the manufacture of cement using intermittent renewable electricity.
Charm Industrial
Converting waste biomass into bio-oil that’s injected underground for negative emissions, or reformed into other products.
Leading Edge Equipment Technologies
Enabling solar manufacturers to produce high-quality, low-cost silicon wafers with a greatly reduced resource footprint.
Prime Coalition syndication investments
Quidnet Energy
Grid-scale energy storage solution
RedWave Energy
Converting waste heat to electricity at low cost and high efficiency
ConnectDER
Developing a meter collar to enable solar and other renewable resources to connect to the grid cheaply, safely, and rapidly
Anfiro
Working on high permeability and energy-efficient membranes to reduce the cost and energy of desalination and water treatment
Rebound
Developing novel refrigeration technology with potential to dramatically reduce energy consumption in the cold chain
Wright Electric
Electrifying aviation by integrating innovative battery and airframe designs for electric airplanes
Opus 12
Developing a device that uses electrochemistry to convert waste carbon dioxide into useful fuels and chemicals
Mallinda
Developing recyclable and moldable composite materials with potential to cost-competitively reduce vehicle weight