A week in impact funding: Europe's largest fusion round, Honda backs British batteries, and Nvidia bets on PFAS-free cooling

Some of the founders mentioned in this funding roundup. Names below. Credit: Press photos/Impact Loop design
29 May 2026
13:43
Here are all the climate and deep tech deals you should know about from this week – and the investors behind them.

A German utility puts serious capital behind laser fusion. A Japanese carmaker signals where it thinks next-generation EV batteries are heading. And Nvidia backs a London startup making PFAS-free cooling fluid for data centres.

Here are the biggest deals in European impact investing this week.

Focused Energy – $240m Series A

The Darmstadt-based laser fusion company will use the capital to develop a pilot plant at a decommissioned RWE nuclear site in Biblis, Hesse.

Investors: RWE, SPRIND, the EIC Fund, and Prime Movers Lab.

Orbital Industries – $50m Series B

The London startup, formerly Orbital Materials, has rebranded alongside the round and will scale its PFAS-free dielectric cooling fluid and modular compute infrastructure for high-density GPUs.

Investors: Plural (lead), Nvidia's NVentures, Radical Ventures, Compound, and Fly Ventures.

D-CRBN – €17.5m Series A

The Antwerp deeptech firm uses plasma reactors to turn captured carbon dioxide from steel and chemical plants into carbon monoxide and syngas.

Investors: Astaia (lead), SFPIM, and the EIC Fund.

Otrera New Energy – €17m

The Aix-en-Provence-based CEA spin-off is developing a fourth-generation sodium-cooled fast reactor, with a further €40m raise planned before year-end.

Investors: EDF, ADF Group, Onet Technologies, and France 2030 grants.

Elonroad – €8m

The Lund-based electric road charging company is targeting port infrastructure in the US among other new markets, according to CEO Karin Ebbinghaus.

Investors: three undisclosed international investors.

Caudal Energy – €5m seed

The UK tidal power startup uses fin-inspired turbine technology to generate clean energy from tidal flows.

Investors: Oxford Science Enterprises and Empirical Ventures.

Pacifico Biolabs – €7m Series A

The Berlin startup uses biomass fermentation to produce what it says are lower-cost, higher-nutrition seafood substitutes.

Investors: TGFS, FoodLabs, Stray Dog Capital, Simon Capital, and Sprout & About Ventures.

Mykor – €4.7m Series A

The Bristol company makes carbon-negative building insulation from mycelium.

Investors: Clean Growth Fund, FSE Group, and Green Angel Ventures.

Eddy Grid – €7.5m seed

The Utrecht startup is building a distributed network of batteries for smart grid applications.

Investors: Graduate Ventures and Volve Capital.

Solena Materials – €1.5m seed

The London company uses AI to develop protein-based textile fibres as an alternative to synthetic materials.

Investors: The Protein Express.

Borro – €1.3m seed

The Brussels startup runs a cashless deposit-return system for reusable packaging, aimed at reducing single-use packaging waste at point of sale.

Investors: undisclosed.

Pictured: Thomas Forner (Focused Energy); Olivia Page (Mykor); Karin Ebbinghaus (ElonRoad); Sam Rohn (Eddy Grid); Zac Austin (Pacifico Biolabs); Gill Scheltjens (D-CRBN)