Climate tech in 2025 is disciplined, data-driven, and—despite the headlines—very much open for business. Below is a fast, founder-first map of who's truly active, how to choose the best fit, and how to pitch so you get to "yes."

How to Pick the Right Climate Investors

Start with your constraint.

Pilot access & strategic distribution: Utilities and corporates in a fund's LP base can open doors. For example, Energy Impact Partners (EIP) syndicates with strategic LPs across the power value chain. (businesswire.com)
Hard-tech scale-up: If you're building first-of-a-kind plants (FOAK), look for investors that lead large follow-ons or run credit/project strategies. Galvanize's $1.3B Credit & Capital Solutions is one example. (PR Newswire)
Pre-seed/seed with deep climate DNA: Early specialists like Congruent, Clean Energy Ventures, Prelude, Lowercarbon stay active at formation and Series A. (congruentvc.com)
Europe play: If you'll scale in the EU, funds like World Fund, Systemiq Capital, Planet A, Extantia, Kiko Ventures bring regulatory fluency and on-the-ground networks. (TechCrunch)

Validate recency, not just reputation.

Prioritize funds that closed vehicles or led rounds in 2024–2025. You'll see those signals below. If a firm hasn't led in a while, deprioritize.

Bring proof early.

For this cycle, investors want real traction: $/MWh, $/kg, capacity factors, yield, uptime, drop-in compatibility, LCAs, signed offtakes, or utility letters—plus a clear cost-down path. Present this in a professional data room that makes your technical story clear.

Why Peony Is Built for Climate Tech Fundraising

Peony supports climate tech founders throughout the fundraising journey. Organize technical documentation, engineering data rooms, and investor materials securely with AI-powered organization.

Track investor engagement with page-level analytics to see which VCs spend time on your emissions models, technical milestones, and unit economics. Protect sensitive IP and research with dynamic watermarks and screenshot protection.

Present your LCAs and cost curves clearly, show customer validation through engagement data, and maintain complete security throughout the fundraising process.

Create your climate tech data room today.

Top 15 Climate Tech Investors & VC Firms in 2025

1. Breakthrough Energy Ventures (BEV)

Focus & stage: Science-driven decarbonization across five grand challenges; early through growth. (breakthroughenergy.org)

Recent signal: Launched a Sustainable Aviation Fuel innovation fund with oneworld member airlines; BEV is the investment manager. (American Airlines Newsroom)

How to approach: Show potential to mitigate ≥0.5 GtCO₂e over time and a credible FOAK scale plan. Organize your impact calculations in a secure data room.

2. Energy Impact Partners (EIP)

Focus & stage: Energy transition software, hardware, and services; multi-stage with strategic utility LPs. (energyimpactpartners.com)

Recent signal: Closed Flagship Fund III at $1.36B (Oct 2025). (businesswire.com)

How to approach: Lead with utility-grade reliability, interop, and pathway to enterprise deployments. Use custom branding to present a professional image.

3. Galvanize Climate Solutions

Focus & stage: Multi-asset climate platform (venture, growth, credit); U.S. & global. (Galvanize)

Recent signal: Announced $1.3B Credit & Capital Solutions strategy to finance electrification, efficiency, manufacturing, resilience. (PR Newswire)

How to approach: FOAK/NOAK projects with clear revenue and asset-level milestones. Track investor engagement with page-level analytics.

4. Just Climate (Generation IM)

Focus & stage: High-abatement solutions across industry, nature, and infrastructure; growth. (Just Climate)

Recent signal: Led NatureMetrics' Series B via its Natural Climate Solutions strategy; also raised $175M from Microsoft & CalSTRS for NCS. (Just Climate)

How to approach: Quantify abatement and durability; bring procurement or policy tailwinds. Present impact data clearly in your investor data room.

5. Lowercarbon Capital

Focus & stage: Early to growth across carbon removal, fusion, novel processes, and "boring but huge" decarb wins. (lowercarbon.com)

Recent signal: Led Earthmover's $7.2M seed (climate data infra); prior raised $550M across two climate funds. (Earthmover)

How to approach: Be audacious but cost-anchored; show the step-change vs. incumbents. Organize technical documentation with AI-powered organization.

6. Congruent Ventures

Focus & stage: Seed/Series A across mobility, energy, materials, carbon, ag, built world. (congruentvc.com)

Recent signal: 2025 "50 by 2050" analysis on climate capital flows and standout companies; steady new deals. (congruentvc.com)

How to approach: Tight wedge + LCOE/opex math and clear unit pathways to scale. Protect sensitive financial models with password protection.

7. Clean Energy Ventures (CEV)

Focus & stage: Seed/Series A with a science-based 2.5 Gt mitigation bar by 2050. (Clean Energy Ventures)

Recent signal: Closed Fund II at $305M (2024) and has been actively deploying in 2025. (Clean Energy Ventures)

How to approach: Quantify impact with LCAs and cost curves; show manufacturability and supply chain realism. Use document tracking to see which investors engage most with your impact data.

8. Prelude Ventures

Focus & stage: Early-stage climate across energy, carbon mgmt, built world, compute, mobility. (Prelude Ventures)

Recent signal: New partner hires and portfolio updates; continued visibility around Fervo, Form Energy, Terabase. (Prelude Ventures)

How to approach: Strong technical team + crisp go-to-market (utilities, EPCs, OEMs). Share materials securely with link expiry and access controls.

9. S2G Ventures (Builders Vision)

Focus & stage: Venture to growth across energy, oceans, and ag/food decarbonization. (S2G Investments)

Recent signal: Firm now manages ~$2.5B across strategies; continued 2025 activity and insights from Climate Week NYC. (New Private Markets)

How to approach: Systems-level story with practical customer pull and channel partners. Present customer validation with engagement analytics.

10. World Fund (EU)

Focus & stage: Europe-focused climate VC with science-based "CPP" methodology; seed → growth. (worldfund.vc)

Recent signal: Closed first fund at €300M (2024); targeting €500M+ for Fund II in 2025. (impact-investor.com)

How to approach: Tie your LCA/abatement math to European industrial policy and buyers. Organize regulatory documentation clearly in your data room.

11. Systemiq Capital

Focus & stage: Early-stage climate tech across materials, industry, food, nature, mobility.

Recent signal: Fund II first close at $70M, targeting $200M; active 2025 platform content on tech tipping points. (Systemiq Capital)

How to approach: Evidence-heavy roadmaps and policy-aware commercialization. Protect sensitive IP with dynamic watermarks.

12. Planet A Ventures (EU)

Focus & stage: Early-stage European green tech; in-house LCA team to quantify impact. (Planet A)

Recent signal: 2025 portfolio expansion and public LCA methodology; continues to back nature- and industry-tech. (climateventuresvco2.substack.com)

How to approach: Lead with LCAs, end-to-end supply chain, and EU regulatory fit. Present LCA data clearly with professional formatting.

13. Blue Bear Capital

Focus & stage: AI/data software for energy, infrastructure, climate; early growth. (Blue Bear Capital)

Recent signal: Closed Fund III at $160M (late 2024) to back AI founders in climate/energy/industry; active 2025 deployments. (latitudemedia.com)

How to approach: Software-led value (yield, uptime, O&M, loss reductions) with quick paybacks. Track which investors engage with your technical documentation using analytics.

14. Extantia Capital

Focus & stage: EU deep-tech decarbonization (hydrogen, materials, circularity).

Recent signal: Closed €204M flagship fund (Nov 2024); active 2025 investments and ecosystem leadership. (Tech Funding News)

How to approach: Big abatement + realistic scale economics; expect technical diligence. Organize technical materials with proper data room structure.

15. Kiko Ventures (IP Group plc)

Focus & stage: Evergreen cleantech platform; can fund from lab to scale with patient capital. (Kiko Ventures)

Recent signal: Ongoing portfolio expansion (DAC, materials, energy); platform backed by FTSE-listed IP Group. (globalventuring.com)

How to approach: Science-heavy teams with defensible IP and long time-horizons. Protect research with screenshot protection and NDA gating.

Bonus trend: Collaborative "coalitions" and blended finance are rising to move FOAK/NOAK. For example, multi-firm climate coalitions and catalytic vehicles launched in 2025. If your project straddles venture and infra, signal which pool you need. (ESG Today)

Five Quick Tips for Pitching Climate Investors (2025 Edition)

1. Lead with Unit Economics, Not Adjectives

Put today's cost and Series-next cost on one slide (with learning-rate assumptions). For fuels/materials/power: show where you beat the incumbent on delivered cost or reliability—and when.

Organize financial models clearly in your data room with proper structure.

2. Show "Bankability" Early

Even at seed, bring customer intent (LOIs/MOUs), offtake frameworks, interconnection or permitting status, and your path to project finance. That de-risks FOAK.

Track which investors review these materials most with page-level analytics.

3. Make Policy a Tailwind, Not a Crutch

Map exposure to IRA/CBAM/ETS, local content rules, or grid incentives—and how you're resilient across scenarios.

Present regulatory documentation clearly with professional formatting.

4. Pilot Design > Pilot Hype

Name the site host, success criteria, data you'll publish, and the step to NOAK. Investors love pilots that look like products, not science fairs.

Share pilot results securely with password protection and link expiry.

5. Be Supply-Chain Serious

Who supplies critical materials? Where's the offtake? What's your QA/QC plan? Pair this with a crisp LCA summary if you sell on impact, especially with EU-focused funds. (Planet A)

Protect sensitive supply chain information with dynamic watermarks and revoke access capabilities.

Final Word

Climate tech fundraising in 2025 requires precision, proof, and the right presentation. The investors above are actively deploying capital, but they're also discerning—they want to see technical milestones, unit economics, and a clear path to scale.

Your data room is often the first impression investors get of your technical sophistication. Organize your documentation clearly, track engagement to identify interested investors, and protect your sensitive IP throughout the process.

You're building technology that matters. Find the right investor fit, present your story clearly, and execute with discipline. You've got this.

Impress Investors

Top 15 Climate Tech Investors in 2025