Clean Energy Ventures is a venture capital firm. Based in Boston, Massachusetts, United States. The known portfolio counts 10 companies, including OXCCU, DG Matrix, Advanced Ionics, Electrified Thermal Solutions, MacroCycle Technologies and Exterra Carbon Solutions.
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Investment focus
Who to pitch at Clean Energy Ventures
Clean Energy Ventures portfolio companies (10)
- OXCCU
- DG Matrix
- Advanced Ionics
- Electrified Thermal Solutions
- MacroCycle Technologies
- Exterra Carbon Solutions
- Pearl Certification
- Queens Carbon
- NexDash
- Hertha Metals
Co-investors
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About Clean Energy Ventures
The firm's listing covers sectors Climate, Consumer, Hardware and Real Estate, and focus areas Advanced Materials, Analytics, Battery and Carbon; known deals cluster at Seed, Series A and Series B.
The team counts 13 people in our database. David Miller (Managing Partner) and Temple Fennell (Co-Founder) are shown as the contacts to pitch.
Clean Energy Ventures shares portfolio companies with 20 other investment firms, among them Clean Energy Venture Group, Gvp Climate and TechEnergy Ventures.
Frequently asked questions
What is Clean Energy Ventures?
Clean Energy Ventures is a venture capital firm based in Boston, Massachusetts, United States, with a known portfolio of 10 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Clean Energy Ventures invest in?
Listed sectors include Climate, Consumer, Hardware and Real Estate; listed focus areas include Advanced Materials, Analytics, Battery and Carbon. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Clean Energy Ventures invest at?
The known deals of Clean Energy Ventures include Seed, Series A and Series B rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Clean Energy Ventures?
2 of the 13 people on file at Clean Energy Ventures are listed as contacts for the firm. All 13 have their own profile page.
How do I contact Clean Energy Ventures?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 13 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal