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Clean Energy Startups

Updated October 2026

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

Explore 748 recently funded clean energy companies with verified founder contact information and fundraising data.

Total Companies
748
Total Funding
$606.0M
Avg Funding
$24.2M
Global Reach
12
countries

Top Cities for Clean Energy

Berlin
Hamburg
Redwood City
London
Renens
Columbus

Recently Funded Companies

Export
Berlin, Germany

Solytic is a post-installation solar platform that helps stakeholders to drive profits, cut costs and extend lifecycles.

Aug 2022

Founder Contacts

41,000+ verified contacts

Hamburg, Germany

Carbonstack uses emissions offsets to accelerate the transition to CO2 neutrality.

$508K raised
Aug 2022

Founder Contacts

41,000+ verified contacts

Redwood City, United States

Amped Innovation designs breakthrough products for people living on less than four dollars per day.

$1.0M raised
Aug 2023

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Seabound offers an onboard carbon capture system for ships that traps CO₂ emissions as solid carbonate pebbles.

Aug 2025

Founder Contacts

41,000+ verified contacts

Renens, Switzerland

EH Group Engineering is focused on the development and production of its innovative fuel cell technology

Aug 2024

Founder Contacts

41,000+ verified contacts

Columbus, United States

Power to Hydrogen develops advanced AEM electrolyzers that integrate with renewables while eliminating precious, expensive metals.

$18.0M raised
Aug 2024

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands

Solar Monkey is a manufacturing firm developing solar panels with guaranteed returns.

$4.0M raised
Aug 2022

Founder Contacts

41,000+ verified contacts

Armonk, United States

Brightcore Energy is a provider of end-to-end clean energy solutions to the commercial and institutional market.

$20.0M raised
Aug 2021

Founder Contacts

41,000+ verified contacts

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

San Francisco, United States

California Perovskite Technology Inc is a technology company supplying perovskite-based solar modules.

$2.1M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

Washington, United States

CURIO is a nuclear technology company that develops NuCycle systems to recycle nuclear waste into clean energy.

$2.5M raised
Aug 2026

Founder Contacts

41,000+ verified contacts

New Jersey, Trinidad and Tobago

Princeton Critical Minerals is a cleantech company that boosts lithium extraction and production from brine sources.

$5.0M raised
Aug 2026

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

Houston, United States

e-HORUS provides energy solutions that help businesses optimize operations, improve efficiency, and support a more sustainable future.

$875K raised
Aug 2026

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

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

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

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

Showing 101 to 125 of 748 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 748 clean energy companies tracked in the VCBacked database.

Average Funding
$24.2M
Total Funding Tracked
$606.0M
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.London
3 companies$4.0M
2.Berlin
2 companies$4.7M
3.Hamburg
1 companies$508K
4.Redwood City
1 companies$1.0M
5.Renens
1 companiesUndisclosed

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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748 Clean Energy Startups (2026) — Recently Funded — Page 5 | VCBacked