/Investor DB

Breakthrough Energy Ventures — 2025 Investments

10 investments dated 2025 · listed companies and verified rows first · show all

Fervo Energyfervoenergy.cominNASDAQ: FRVOSeries B · Dec 2025 · $28M

Fervo Energy develops next-generation geothermal technology using advanced drilling and sensing techniques to unlock carbon-free, 24/7 power generation in previously uneconomic locations.

CleantechClimate TechEnergyHouston, US

Tim Latimer(Founder)inJack Norbeck(Founder)in

BoardDavid Thomas Danielson(Director)inNicholas Walrod(Director)inIon Yadigaroglu(Director)

Board seatChristina KarapatakiDavid Danielson· per SEC Form D

Co-investorsB Capital GroupB4 CapitalBaruch Future VenturesBeast VenturesCarbonCongruent Ventures+16 more

Airloom Energyairloom.energyinSep 2025✓ verified

Airloom engineers next-generation utility-scale wind turbines designed for mass production and deployment in diverse locations, offering low-cost, reliable energy generation with reduced infrastructure requirements.

CleantechEnergyHardwareLaramie, US

Robert Lumley(Founder)inJames Singer(Executive Officer, Director)Neal Rickner(Executive Officer, Director)in

BoardJohn Singer(Director)Sarah Lewensohn(Director)

Board seatPhil Larochelle· per SEC Form D

Co-investorsAmplify CapitalCapital FactoryCrosscut VenturesGaingelsKeiki CapitalLowercarbon Capital+2 more

Arnergyarnergy.comin𝕏Apr 2025 · $18M✓ verified

Arnergy provides modular, scalable solar energy systems and real-time energy management solutions for homes and businesses across Africa.

CleantechEnergyIoTLagos, NG

Co-investorsAll OnBritish International InvestmentNorfund

Fourth Powergofourth.comin𝕏Sep 2025 · $20M✓ verified

Fourth Power develops thermal energy storage technology that converts electricity into heat for storage and back to electricity on demand, using high-temperature molten tin and thermophotovoltaic conversion.

CleantechClimate TechDeep TechEnergyHardwareMassachusetts, US

Asegun Henry(Founder)inArvin Ganesan(Founder)in

Co-investorsDCVC (Data Collective)Munich Re Ventures

Mantle8mantle8.cominSeed · Feb 2025 · $4M✓ verified

Mantle8 is a natural hydrogen exploration company developing proprietary geoscience technology—including its GeoLogix prospect-generation algorithm and HOREX multiphysics imaging—to locate and quantify naturally occurring hydrogen resources.

CleantechClimate TechDeep TechEnergy

Emmanuel Masini(Founder)inEmmanuel Masini (Manu)(Founder & CEO)

Co-investorsKiko VenturesSandwaterWind VentureBpifranceIP Group

VEIRveir.cominFeb 2025 · $75M✓ verified

VEIR manufactures low- and medium-voltage superconducting systems that deliver electricity for high-performance AI data centers.

AI & Machine LearningDeep TechEnergyHardwareWoburn, US

Tim Heidel(CEO & Co-Founder)in

BoardDoug Stewart(Director)Adam Wallen(Executive Officer, Director)in

Co-investorsCongruent VenturesPiva CapitalTyche PartnersNational Grid PartnersVXI CapitalBaruch Future Ventures+6 more

ArkeaBioarkeabio.cominSep 2025 · $7M

ArkeaBio develops a methane-reducing vaccine for cattle that lowers agricultural emissions without disrupting farm operations, targeting livestock producers to enable low-carbon dairy and beef production.

AgTechBiotechClimate Tech

Frank Wooten(Chief Executive Officer)inZach Serber(Chief Technology Officer)inColin South(Chief Business Officer)in

Co-investorsNYA VenturesRabo Corporate VenturingAgriZeroNZ

Commonwealthcommonwealth.imAug 2025 · $863M

Commonwealth (commonwealth.im) is a DAO coordination platform; the sources supplied contain no verifiable information about it.

Co-investorsCanaan PartnersCoinbase VenturesIOSG VenturesNascentFuture VenturesGalaxy Interactive+9 more

Electraelectra.earthinApr 2025

Electra develops a chemistry-based iron production process powered by clean energy to produce iron at scale without environmental damage.

Advanced ManufacturingCleantechNew Materials

Co-investorsBaruch Future VenturesCollaborative FundCongruent VenturesEarth Venture CapitalLowercarbon CapitalS2G Investments+6 more

Electraelectra.aeroin𝕏Apr 2025

Electra develops hybrid-electric aircraft for short-distance regional aviation.

CleantechDefense TechHardwareMobility & TransportationManassas, US

John Langford(Founder)in

BoardJohn Hansman(Key Technical Advisor)Mark Drela(Key Technical Advisor)Mark Drela, PhD(Technical Advisor)Yannick Bonnaire(Technical Advisor)Oliver Masefield, PhD(Engineering Advisor)

Co-investorsOUTPOST VENTURESBHP VenturesCapricorn Investment GroupClub degli InvestitoriCollaborative FundEarth Venture Capital+8 more

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.