United States · Investor

Clean Energy Ventures

Last cheque observed Sep 2026; 42 cheques on record.

Deploying nowVC firm

SeedSeries ASeries BEnergyClean EnergyPhotovoltaic

Deploying now
63%of best year12cheques in 12 months, 42 on record
Since the last cheque60days00hrs00min00sec
Median round$10MCheque size, as they say$15K – $5.0MRounds led1 of 42Sole investor3 roundsMostly inUnited States, 87%
Pitch Clean Energy Ventures

Clean Energy Ventures highlights

  1. 01

    12 cheques in the last 12 months

  2. 02

    Mostly Venture and Seed: 66% of its rounds

  3. 03

    Sole investor in 3 rounds, median $7.6M

What they do

We back founders turning breakthrough climate innovations into scaling companies, with decades of engineering and commercial expertise at seed and Series A.From their own website
Type
VC firm (from a list, unverified)
Cheque size
$15K – $5.0M as they say
Stages
SeedSeries ASeries BGrowth
Sectors
EnergyClean EnergyPhotovoltaic
Based in
Boston, United States
Cold pitches
Not accepted

The record

Every round we can evidence, newest first42 appearances

  1. 2026

    9 rounds

  2. Sept
    Branch EnergySeries B · US$33MWith 2 others
  3. Sept
    LineVisionSeries D · US$38MWith 2 others
  4. Sept
    Hertha MetalsDebt · US$69MWith 4 others
  5. Jun
    NexDashSeed · DE$2.9MWith 1 other
  6. Apr
    LithiosGrant · US$20MWith 3 others
  7. Apr
    Rebound TechnologiesVenture · US$2.0MWith 2 others
  8. Mar
    MacroCycle TechnologiesSeed · US$3.0MWith 5 others
  9. Feb
    DG MatrixSeries A · US · TechCrunch$60MWith 8 others
  10. Feb
    Aepnus TechnologyVenture · USUndisclosedWith 2 others
  11. 2025

    15 rounds

  12. Dec
    Boston MaterialsVenture · USUndisclosedWith 4 others
  13. Nov
    NexDashSeed · DE · Silicon Canals$5.8MWith 1 other
  14. Nov
    Queens CarbonVenture · USUndisclosedWith 2 others
  15. Sept
    Electrified Thermal SolutionsVenture · USUndisclosedSole investor
  16. Sept
    OXCCUSeries B · GB$28MWith 2 others
  17. Jul
    Hertha MetalsVenture · US$17MWith 4 others
  18. May
    Exterra Carbon SolutionsSeries A · CA$15MWith 1 other
  19. Apr
    Queens CarbonSeed · US$10MWith 2 others
  20. Apr
    Ayrton EnergyGrant · CA$480KWith 3 others
  21. Mar
    DG MatrixSeed · US$20MWith 1 other
  22. Feb
    MacroCycleSeed · US$6.5MWith 4 others
  23. Jan
    NitroFixVentureUndisclosedWith 1 other
  24. Jan
    VolexionVenture · USUndisclosedWith 2 others
  25. Jan
    NdustrialVenture · USUndisclosedWith 2 others
  26. Jan
    Advanced IonicsVenture · US$6.7MSole investor
  27. 2024

    10 rounds

  28. Dec
    ConnectDERSeries D · US$35MWith 3 others
  29. Nov
    TransaeraSeed · US · TechCrunch$8.2MLed
  30. Nov
    Boston MaterialsSeries A · US$14MWith 4 others
  31. Oct
    LithiosSeed · US$10MWith 3 others
  32. Oct
    Aqua MembranesSeries B · US$4.2MWith 1 other
  33. Oct
    REsuretySeries C · US$32MWith 2 others
  34. Sept
    EvariGrant · US$1.7MWith 2 others
  35. Sept
    BodhiVenture · USUndisclosedWith 6 others
  36. Jun
    Pearl CertificationVenture · US$6.7MWith 1 other
  37. Jun
    TravertineVenture · US$8.5MSole investor
  38. 2023

    5 rounds

  39. Dec
    Nth CycleSeries B · US$37MWith 4 others
  40. Nov
    SparkMeterVenture · US$5.0MWith 3 others
  41. May
    Copper LabsVenture · USUndisclosedWith 3 others
  42. Mar
    ClearFlame EnginesSeries B · US$30MWith 2 others
  43. Feb
    ClearTraceVenture · USUndisclosedWith 1 other
  44. 2022

    1 round

  45. Oct
    LineVisionSeries C · US$33MWith 2 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

We hold 21 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

What the register says

From the firm's own filings with the SEC, which it must file accurately by law

Registeredinvestment adviserfull reporting to the SEC
Legal name
Clean Energy Venture Management, LLC
SEC number
CRD 292055

What they claim to have backed

From their own portfolio page (on their website)

23 of 60 we have independently watched raise

Aqua MembranesCarbon UpcyclingClearTraceConnectDEREvariExterra Carbon SolutionsFutureProofGoodHertha MetalsLineVisionLineage LogisticsNdustrialNexDashNoon EnergyNth CycleOXCCUPearlQueens CarbonResuretySunDensityTenaskaTransaeraTravertineABBACCELR8ACVC PartnersAXIS SpecialtyActive Impact InvestmentsAdvanced IonicsAepnusAmplify CapitalAntares VenturesAramco Ventures Sustainability FundArcelor Mittal XCarbAt One VenturesAutodesk FoundationBDC CapitalBoston MaterialsBrookfieldBuilders VisionBurnt Island VenturesBuzzi Unicem USACEMEX VenturesCEVGCRHCarbon Drawdown CollectiveCaterpillarCerberus VenturesChevron Technology VenturesClearskyClimate Innovation CapitalClimate InvestmentClosed Loop VenturesDecarbonization PartnersDoral Energy-Tech VenturesENGIEEPS VenturesElectrifiedthermalEmerson CollectiveEngine Venturesand 69 more

Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.

Who they invest alongside

The investors most often in the same rounds as Clean Energy Ventures. A count of rooms they were both in, not a relationship either has claimed.

Recently backed

The latest companies Clean Energy Ventures put money into.

On podcasts

1 episode naming Clean Energy Ventures in the title.

Quick answers about Clean Energy Ventures

What does Clean Energy Ventures invest in?

Clean Energy Ventures invests most often at Venture and Seed (66% of the rounds on record), in sectors such as Energy, Clean Energy and Photovoltaic.

How active is Clean Energy Ventures?

42 investments on record, 12 of them in the last 12 months, and it led 1. The most recent was in Sept 2026.

What has Clean Energy Ventures invested in recently?

Its most recent investments on record: Branch Energy (Series B, Sept 2026), LineVision (Series D, Sept 2026) and Hertha Metals (Debt, Sept 2026).

How big are Clean Energy Ventures's cheques?

The median round it joins is $10M. It says it writes cheques of $15K to $5.0M.

Does Clean Energy Ventures lead rounds?

Sometimes: it led 1 of its 42 investments on record (2%).

Where does Clean Energy Ventures invest?

Most of the companies it backs are in the United States (87%), Germany (5%) and Canada (5%).

Is Clean Energy Ventures investing now?

Yes: it is actively investing, with 12 investments in the last 12 months.

Who does Clean Energy Ventures invest alongside?

Most often National Science Foundation (9 rounds together), Breakthrough Energy (8 rounds together) and Elemental Impact (5 rounds together).

Raising now?

Find the investors who back rounds like yours, and keep every conversation on one fundraising board.

Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it