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Clean Energy Startups

Updated August 2026

Companies in the clean energy sector developing innovative solutions and technologies.

Explore 727 recently funded clean energy companies with verified founder contact information and fundraising data.

Total Companies
727
Total Funding
$2.1B
Avg Funding
$85.9M
Global Reach
10
countries

Top Cities for Clean Energy

Warrington
Vancouver
Bristol
Eindhoven
Espoo
Kastrup

Recently Funded Companies

Export
Warrington, United Kingdom

MoltexFLEX is developing the advanced small modular FLEX reactor and GridReserve energy storage system.

$1.7M raised
Jul 2023

Founder Contacts

41,000+ verified contacts

Vancouver, Canada

Leading Edge Materials is a public mining company that focuses on developing a portfolio of strategic critical raw materials projects.

$2.9M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Bristol, United Kingdom

We’re turning food production on its head to make way better food, that doesn’t cost the earth.

$49.4M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Eindhoven, The Netherlands

EIT InnoEnergy is an environmental services company that provides catalysing and accelerating energy transitions.

Jul 2024

Founder Contacts

41,000+ verified contacts

Espoo, Finland

We develop next generation AI robotic factories that manufacture low-carbon concrete products for infrastructure projects.

$7.4M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Kastrup, Denmark

Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity.

$380.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Incline Village, United States

Ohmium is a green hydrogen company that manufactures proton exchange membrane systems to produce pressurized, high-purity hydrogen.

Jul 2024

Founder Contacts

41,000+ verified contacts

San Diego, United States

Primrose Bio is a biotechnology company that focuses on discovery, development, and manufacturing of new molecules.

$2.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Carlsbad, United States

Circularity platform that streamlines electric vehicle battery assessment, integration, and reuse.

$10.0M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Delft, The Netherlands

Kitepower elevates wind energy to a new level by swapping out heavy structure for intelligent controls and lightweight wings.

$981K raised
Jul 2022

Founder Contacts

41,000+ verified contacts

Belfast, United Kingdom

Ionic Technologies recycles permanent magnets to recover magnet rare earths.

$11.0M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Auckland, New Zealand

Seachange provides an electric solution for RoPax movements of nautical miles.

$500K raised
Jul 2023

Founder Contacts

41,000+ verified contacts

Barcelona, Spain

X1 Wind is a disruptive floating platform developing a floating wind platform for deep waters.

$5.1M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Berlin, Germany

Nextwind is developing a portfolio of older land-based wind farms in Germany with the goal of either repowering existing wind turbines.

$1.7B raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Tauranga, New Zealand

Cetogenix is a clean technology business dedicated to creating long-term solutions to global climate change.

$27K raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Berkeley, United States

Power‑Plant‑in‑a‑Box for EV, Data Centers | Green Energy Everywhere

$2.9M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Albuquerque, United States

Hydro Hash is a crypto mining company utilizing renewable hydroelectric power and liquid cooling.

$493K raised
Jul 2023

Founder Contacts

41,000+ verified contacts

Hellerup, Denmark

STACs Technology zero-emissions cooling solutions upcycle the District Energy industry's services and reach

$3.0M raised
Jul 2022

Founder Contacts

41,000+ verified contacts

Adelaide, Australia

Oxamii is a peer-to-peer marketplace that allows businesses to purchase renewable energy from local producers.

$1.0M raised
Jul 2021

Founder Contacts

41,000+ verified contacts

South Holland, United States

North Sea Farmers mission is to represent the interests of the European seaweed industry.

$2.3M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Leeuwarden, The Netherlands

Equinox Ocean Turbines manufactures ocean current turbines for renewable energy, using a two-stage, semi-floating design.

$2.6M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Orem, United States

IsoTruss, Inc. designs and manufactures composite lattice structures for telecom towers, utility poles, and smart poles.

$124K raised
Jul 2022

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Gridcog offers a simulation software that helps energy analysts navigate both the physical and commercial complexities of energy projects.

$9.4M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Toronto, Canada

CSMC is an infrastructure and technology company focused on filling key gaps in future space exploration.

$717K raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Denver, United States

Peak Energy is a pioneering firm that is industrializing sodium-ion to expedite the shift to renewable energy.

Jun 2026

Founder Contacts

41,000+ verified contacts

Showing 126 to 150 of 727 companies

About the Clean Energy Startup Ecosystem

The clean energy sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Clean Energy

Clean Energy companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The clean energy sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Clean Energy Funding Breakdown

Here is how funding is distributed among the 727 clean energy companies tracked in the VCBacked database.

Average Funding
$85.9M
Total Funding Tracked
$2.1B
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.Warrington
1 companies$1.7M
2.Vancouver
1 companies$2.9M
3.Bristol
1 companies$49.4M
4.Eindhoven
1 companiesUndisclosed
5.Espoo
1 companies$7.4M

Related Industries

Companies in the clean energy sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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