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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
$1.7B
Avg Funding
$67.3M
Global Reach
12
countries

Top Cities for Clean Energy

London
Singapore
Aachen
Stockholm
Sydney
The Woodlands

Recently Funded Companies

Export
London, United Kingdom

H2GO Power develops safe and low-cost hydrogen production and storage technologies.

$166K raised
Aug 2023

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

Evolution Data Centres provides sustainable colocation with power, cooling, security, monitoring, and interconnection services.

$325.0M raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Aachen, Germany

At Regascold, we are offering sustainable cooling processes

Aug 2025

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden

Aira is a direct-to-consumer clean energy-tech company that provides heat pumps and home energy-saving solutions.

$174.3M raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Sydney, Australia

Enosi is a 24/7 energy traceability platform.

Aug 2022

Founder Contacts

41,000+ verified contacts

The Woodlands, United States

Alden Group Renewable Energy provides sustainable solutions for edible oil wastes.

$15.3M raised
Aug 2022

Founder Contacts

41,000+ verified contacts

Pasadena, United States

HGenium develops thermochemical processes that split water using heat and capture CO₂ to produce hydrogen for fuel production.

$5.0M raised
Aug 2022

Founder Contacts

41,000+ verified contacts

Oslo, Norway

Otovo is a marketplace for distributed energy installation. The company is building the European number one in residential solar

$7.3M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

College Park, United States

Alchemity develops modular reactor systems that convert greenhouse gases and underutilized resources into carbon-neutral fuels.

$250K raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Auckland, New Zealand

Linca develops hydrometallurgical technology to recover lithium, nickel and cobalt from end-of-life lithium-ion batteries.

$2.9M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Clim8 Invest provides an app that allows individuals to invest in industries that work towards fighting climate change.

$3.8M raised
Jul 2021

Founder Contacts

41,000+ verified contacts

Grand Cayman, Cayman Islands

Unblock is a climate technology company that offers a solution to mitigate emissions.

$13.5M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Berlin, Germany

Cariqa powers EV charging transactions, cutting out intermediaries and complexity.

$4.7M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Oslo, Norway

Skyfri is a cleantech company that provides solar asset owners with a platform that automates operations, maintenance, and asset management.

$5.0M raised
Jul 2022

Founder Contacts

41,000+ verified contacts

Vällingby, Sweden

Caplyzer develops and patented a new solution for water electrolysis.

$727K raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Mount Kisco, United States

Dandelion Energy provides residential geothermal heating and cooling systems using ground energy.

$40.0M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Houston, United States

Quaise is an energy company that develops a millimeter-wave drilling technology to access deep geothermal energy.

$134.1M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Calgary, Canada

Eavor is a geothermal energy solution provider that develops a closed-loop system to provide baseload energy solutions.

$5.6M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Munich, Germany

Proxima Fusion is a fusion energy company developing stellarator-based fusion power plants to deliver safe and carbon-free electricity.

$470.1M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Vancouver, Canada

Fibernx develops sustainable carbon fiber and carbon nanofiber materials for industrial and energy applications.

$1.0M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Field is a renewable energy company aiming to accelerate the build-out of renewable infrastructure needed to reach net zero.

$254.4M raised
Jul 2023

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

SunGreenH2 is a deep cleantech company making electrolysers produce 2x green hydrogen using 30x lower precious metals and 10% lower energy.

Jul 2025

Founder Contacts

41,000+ verified contacts

Milano, Italy

Sunprime is a fast-growing Independent Power Producer based in Italy focused on Solar C&I, and smart homes segments.

$220.8M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Hyogo, Japan

Atomis is a cleantech company that manufactures prorous materials like PCP/MOFs alongside distributed gas sharing business.

Jul 2024

Founder Contacts

41,000+ verified contacts

Irvine, United States

Environmental infrastructure company focused transforming sewage into renewable resources, protecting public health and the environment.

Jul 2023

Founder Contacts

41,000+ verified contacts

Showing 76 to 100 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
$67.3M
Total Funding Tracked
$1.7B
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.London
3 companies$258.3M
2.Singapore
2 companies$325.0M
3.Oslo
2 companies$12.3M
4.Aachen
1 companiesUndisclosed
5.Stockholm
1 companies$174.3M

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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