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Investments in Clean Tech Week - Week of 2025/06/02
Insight • Updated June 6, 2025
Check out this week's VC investments in companies and startups in the energy space!

Catalina Zazkin

Darcy Partners

Find below a list of VC investments in the following Innovators:

  • Atomic Canyon: is a company offering an AI platform to simplify the documentation process and enhance Nuclear Regulatory Commission data access for nuclear power plants, nuclear reactors manufacturers and government and national laboratories, raised $7m in Seed funding from Energy Impact Partners, Commonweal Ventures, Plug and Play Ventures, Tower Research Capital, and Wischoff Ventures.

  • Battery Smart: is an EV battery-swapping network that provides advanced Li-ion batteries for electric two and three-wheelers, raised $29m in Series B funding from Rising Tide Energy, Ecosystem Integrity Fund, LeapFrog Investments, and responsAbility Investments.

  • ecop: a company that produces industrial rotary heat pumps using multi-patented technology. Their pumps, requiring no refrigerant, achieve high temperatures and efficiency, aiding in energy recovery and cost savings, raised $12m in Growth funding from European Innovation Council, KSB, EIT InnoEnergy, Finadvice AG, and New Energy Technology (AUS).

  • NANO Nuclear Energy: is a company that manufactures portable nuclear micro-reactor technology, produces and transport nuclear fuel and offers nuclear industry consulting services, raised $105m in Post-IPO Equity funding.

  • Plagazi: a company devoloping a solution to produce hydrogen from waste through plasma gasification, raised $33m in Grant funding from EU Innovation Fund (EIF).

  • Radiant Nuclear: is a clean energy startup building a nuclear micro-reactor as an alternative to diesel generators, to bring power to remote parts of the world or disaster-relief scenarios, raised $165m in Series C funding from DCVC, Crossbeam Venture Partners, Giant Ventures, Gigascale Capital, and other investors.

  • SkyNRG: a company that has supplied SAF to over 40 airlines across the world and is now developing dedicated SAF production facilities to support the transition from fossil jet fuel to sustainable aviation fuel  raised $284m in Growth funding from APG Asset Management.

  • Volteras: is a startup specializing in electric vehicle software. Their mission is to organize and leverage data to accelerate the transition to a greener and smarter future, raised $11m in Series A funding from Union Square Ventures, Edenred, Exor Ventures, Long Journey Ventures, and Wex Venture Capital.

These investments signal industry traction - if you would like to learn more about any of the innovators in this article, you can contact a Darcy researcher or request an update via their Storefronts. See you next week to learn more about where VC's money is flowing!

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Investments in Clean Tech Week - Week of 2025/06/02
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