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.

United States · Investor
Last cheque observed Sep 2026; 42 cheques on record.
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12 cheques in the last 12 months
Mostly Venture and Seed: 66% of its rounds
Sole investor in 3 rounds, median $7.6M
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
Every round we can evidence, newest first42 appearances
9 rounds
15 rounds
10 rounds
5 rounds
1 round
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.
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.
From the firm's own filings with the SEC, which it must file accurately by law
From their own portfolio page (on their website)
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.
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.
The latest companies Clean Energy Ventures put money into.
1 episode naming Clean Energy Ventures in the title.

Capital Series: Temple Fennell, Clean Energy Ventures
WithTemple Fennell
MentionsClean Energy Ventures
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.
42 investments on record, 12 of them in the last 12 months, and it led 1. The most recent was in Sept 2026.
Its most recent investments on record: Branch Energy (Series B, Sept 2026), LineVision (Series D, Sept 2026) and Hertha Metals (Debt, Sept 2026).
The median round it joins is $10M. It says it writes cheques of $15K to $5.0M.
Sometimes: it led 1 of its 42 investments on record (2%).
Most of the companies it backs are in the United States (87%), Germany (5%) and Canada (5%).
Yes: it is actively investing, with 12 investments in the last 12 months.
Most often National Science Foundation (9 rounds together), Breakthrough Energy (8 rounds together) and Elemental Impact (5 rounds together).
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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