Explore active cleantech venture capital investors by stage, thesis, and check sizes. This directory highlights fund sizes, recent filings, and sector focus to help you prioritize investor outreach and improve match quality.
Complete database of 26 venture capital funds investing in cleantech startups. Find the right investor with $19B in combined assets under management.
The cleantech venture capital ecosystem has reached unprecedented scale, with 26 specialized funds managing $19B in assets.Investment activity has shown 23% growth year-over-year, reflecting strong investor confidence in the sector's long-term prospects.
In 2026, cleantech startups attracted $9Bacross 284 funding rounds, with the average fund size reaching$203M. This represents a maturing ecosystem where specialized funds are increasingly focusing on vertical-specific expertise.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
Investing in revolutionary cleantech companies that are transforming industries through innovative technology and scalable business models.
There are 26 active VC funds specializing in cleantech investments, managing a combined $19B in assets under management. This represents one of the largest concentrations of specialized capital in the venture ecosystem, with funds ranging from $50M micro-funds to $2B+ growth-stage vehicles. The sector has attracted significant institutional capital due to its23% growth trajectory and strong exit potential.
Cleantech startups raise an average of $12M in Series A funding, with typical ownership ranging from 22-33%. This is above the cross-industry average due to the capital-intensive nature of many cleantech business models and longer development cycles. Series B rounds average $34M, reflecting the sector's ability to scale efficiently once product-market fit is achieved.
Top-performing cleantech VCs have generated 3x average returns average returnsover the past decade, with the best funds creating 13 unicorn companies. Leading funds like Cleantech Ventures A have demonstrated consistent performance through multiple market cycles, combining deep domain expertise with extensive portfolio support. Success rates for Series A investments reach 74% among top-quartile funds.
The typical cleantech funding process takes 4-6 months, from initial pitch to signed term sheet. This includes 2-4 weeks for initial screening, 4-8 weeks for due diligence, and 2-4 weeks for final negotiations and documentation. Cleantech startups often require longer diligence periods due to technical complexity and regulatory considerations, but experienced sector-focused VCs can move faster due to their domain expertise.
Top cleantech VCs prioritize technical differentiation, large addressable markets, and experienced teamswith deep domain knowledge. They look for startups that can demonstrate clear competitive moats, scalable business models, and strong early customer traction. Regulatory compliance, intellectual property position, and go-to-market strategy are particularly important in cleantech. The best VCs also value founders who can articulate long-term vision and have the technical depth to execute complex roadmaps.
Yes, cleantech VCs deployed $9B in 2026across 284 transactions, showing continued strong appetite for quality deals. While overall VC activity has normalized from peak 2021 levels, cleantech remains a priority sector for most institutional investors. Hot subsectors include AI-powered cleantech, Next-gen cleantech platforms, Enterprise cleantech solutions, which are seeing particularly strong investor interest and premium valuations.
Last updated: 3/11/2026 | Data aggregated from 26 VC funds, 284 deals, and 37 successful exits |About our methodology