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    Clean Energy Ventures

    Boston, Massachusetts, United StatesFounded 2005
    cleanenergyventures.comLinkedIn
    Climate & Energy

    Clean Energy Ventures (CEV) is a Boston-based venture capital firm investing in early-stage climate tech startups and clean energy technologies with the potential for multi-gigaton-scale GHG emissions reduction. The firm closed its $305 million Fund II in May 2024 and has been investing together for over 15 years.

    42% of their portfolio is in Climate & Energy. Deal activity decreased year-over-year (4 deals in the last 12 months vs 6 prior). Their most common stage is seed (40% of deals). Average disclosed round size is $11.9M (across 57 rounds with reported amounts).

    Find people at Clean Energy Ventures on Goldilocks AI

    Portfolio

    48

    Fund Size

    $305M

    Top Stage

    Seed

    Last 12 Mo

    4

    Team

    Dan Goldman

    Dan Goldman

    Co-Founder & Managing Partner

    David S. Miller, PhD.

    David S. Miller, PhD.

    Co-Founder & Managing Partner

    Raffi Freeman

    Raffi Freeman

    CFO, Nth cycle; Co-Founder & Managing Partner, Izuba Energy

    Temple Fennell

    Temple Fennell

    Co-Founder & Managing Partner

    Coleman Adams

    Coleman Adams

    Former Managing Director at Crescendo Power

    John Santoleri

    John Santoleri

    Former Managing Director Warburg Pincus, CFO Dimensional Energy

    Peter Sopher

    Peter Sopher

    CFO, DG Matrix; former investment partner, CEV

    Yi Jean Chow

    Yi Jean Chow

    Investment Partner

    Louis (Lou) Schick

    Louis (Lou) Schick

    Director of Investments

    Amy Zhao

    Amy Zhao

    Principal

    Matt Cohen

    Matt Cohen

    Principal

    Shanbor Gupta

    Shanbor Gupta

    Principal

    Portfolio Breakdown

    Stage Distribution

    Sector Distribution

    Investment Activity

    DealsAvg Round Size

    Portfolio

    62 investments
    CompanyRoundAmountDate
    Branch Energy logoBranch EnergySeries B$33MSep 2026
    Dg Matrix logoDg MatrixSeries A$60MFeb 2026
    Boston Materials logoBoston MaterialsSeed$1.8MDec 2025
    NexDash logoNexDashSeed—Nov 2025
    OxCCU logoOxCCUSeries B$28MSep 2025
    Exterra Carbon Solutions logoExterra Carbon SolutionsUnknown—May 2025
    Dg Matrix logoDg MatrixSeed$20MMar 2025
    Hertha Metals logoHertha MetalsUnknown$17MJan 2025
    PPeelonSeed$1MJan 2025
    OxCCU logoOxCCUSeries B$28MJan 2025
    EElectrified Thermal SolutionsSeries A$19MDec 2024
    ConnectDER logoConnectDERSeries D$35MDec 2024
    Transaera logoTransaeraSeed$8.2MNov 2024
    Ayrton Energy logoAyrton EnergySeed$6.8MSep 2024
    Cala Systems logoCala SystemsSeed$5.6MAug 2024
    Aepnus logoAepnusSeed$8MJun 2024
    Evari logoEvariSeed$7.5MMar 2024
    EElectrified Thermal SolutionsUnknown$19MJan 2024
    Advanced Ionics logoAdvanced IonicsSeed$4.2MJan 2024
    Advanced Ionics logoAdvanced IonicsSeries A$12.5MAug 2023
    Carbon Upcycling logoCarbon UpcyclingUnknown$26MJul 2023
    OxCCU logoOxCCUSeries A—Jun 2023
    it's electric logoit's electricPre-Seed$2.2MMar 2023
    Voltserver logoVoltserverSeries B$17.5MJan 2023
    Travertine Technologies logoTravertine TechnologiesSeed$8.5MJun 2022
    Page 1 of 3

    Top Co-Investors

    Breakthrough Energy Ventures7 shared
    Barclays7 shared
    Launchpad Capital5 shared
    GVP Climate3 shared
    Saudi Aramco3 shared
    Eni Next3 shared
    BDC Capital3 shared
    Collaborative Fund3 shared
    Massachusetts Clean Energy Center3 shared
    Lowercarbon Capital3 shared
    New York Angels3 shared
    Climate Investment3 shared
    Doral Energy-Tech Ventures3 shared
    India Quotient3 shared
    Factor[e]2 shared
    Powerhouse Ventures2 shared
    Total Energy Ventures2 shared
    MassMutual2 shared
    Starlight Ventures2 shared
    EDP Ventures2 shared

    Last updated: 20 October 2026