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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
$342.7M
Avg Funding
$13.7M
Global Reach
10
countries

Top Cities for Clean Energy

Oakville
Santa Cruz
Berlin
Stockholm
Turin
Wilmington

Recently Funded Companies

Export
Oakville, Canada

Terrestrial Energy is a developer of a reactor power plant technology to provide carbon-free energy for the global industry.

$25.8M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Santa Cruz, United States

Peregrine Hydrogen operates as a climate technology company.

$7.5M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Berlin, Germany

Ostrom is a green digital energy provider that helps you use power when it's cheapest and greenest.

$22.9M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden

Tether builds AI that turns millions of parked EVs into the world's largest battery

$1.5M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Turin, Italy

SUNSPEKER creates a fully recyclable graphic cover able to camouflage any solar panel.

$751K raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Wilmington, United States

CleanTech, Renewable Energy, Data Infrastructure, HPC, AI Infrastructure

$325K raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Madison, United States

C-Motive Technologies is a venture-backed cleantech startup that develops electrostatic motor technology.

$375K raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Cologne, Germany

Lumoview digitizes buildings in 2 seconds per room and empowers owners to improve their buildings and reduce CO2 emissions.

$3.4M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

La Rinconada, Spain

HESS Ltd. is a technological solution provider, a pioneer in creating hybrid energy storage solutions for the electrical grid

$13.6M raised
May 2025

Founder Contacts

41,000+ verified contacts

Berlin, Germany

End-to-End Energy-as-a-Service for Small and Medium Sized Enterprise

$27.2M raised
May 2025

Founder Contacts

41,000+ verified contacts

Lexington, United States

The Nuclear Company is a fleet-scale nuclear deployment firm that offers for nuclear sectors.

$46.3M raised
May 2025

Founder Contacts

41,000+ verified contacts

Washington, United States

Zeno is developing next-generation radioisotope power systems that generate carbon-free, resilient power for decades.

$50.0M raised
May 2025

Founder Contacts

41,000+ verified contacts

Fremont, United States

We build resilient and flexible EV charging infrastructure to accelerate decarbonization, and support community adaptation to climate risks.

$100K raised
Apr 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Emobi is the leading EV charging ecosystem that offers a single point of integration.

$100K raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Walnut Creek, United States

Energy Efficiency, Hospitality, SaaS, IoT, Smart Buildings

$2.1M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Vienna, Austria

SALZSTROM is a sustainable technology company that focuses on sodium-ion batteries as a viable alternative to lithium-ion energy storage.

$1.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands

Transforming CO2 supply

Apr 2025

Founder Contacts

41,000+ verified contacts

Nunawading, Australia

RayGen is building lowest cost, long duration solar + storage to deliver the economics of pumped hydro with the flexibility of batteries.

$79.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Victoria, Canada

Solaires Entreprises Inc. is a group of scientists and engineers dedicated to bringing solar energy to a broader audience.

$2.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Fribourg, Switzerland

Bloom Biorenewables is making biomass a true alternative to petroleum.

$14.7M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Lugano, Switzerland

Gaia Turbine creates a plug-and-play hydroelectric microturbine that is perfect for aqueducts and the smallest necessary outflows.

$1.2M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Zúrich, Switzerland

MPower Ventures is a technology company that offers funding, software, and solar products to facilitate energy access in emerging markets.

$2.7M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands

Thorizon develops and deploys cutting-edge technology for molten salt reactors.

$17.5M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Seattle, United States

AtmoCooling is a climate tech company that offers cooling solutions for coastal deserts.

$2.6M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Raleigh, United States

Clean, secure, reliable power technology based on solid-state transformers (SST) to revolutionize AI datacenters, microgrids, EV charging.

$20.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Showing 426 to 450 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
$13.7M
Total Funding Tracked
$342.7M
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.Berlin
2 companies$50.1M
2.Amsterdam
2 companies$17.5M
3.Oakville
1 companies$25.8M
4.Santa Cruz
1 companies$7.5M
5.Stockholm
1 companies$1.5M

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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