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Clean Energy Startups

Updated July 2026

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

Explore 517 recently funded clean energy companies with verified founder contact information and fundraising data.

Total Companies
517
Total Funding
$1.4B
Avg Funding
$55.3M
Global Reach
10
countries

Top Cities for Clean Energy

Santa Clara
Berkeley
Berlin
London
Renens
Columbus

Recently Funded Companies

Export
Santa Clara, United States

ReCarbon is an innovative technology platform that recycles carbon emissions into revenue generating byproducts.

Aug 2023

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Windscape.ai provides smart control for wind turbines with AI and sensors.

$275K raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Berlin, Germany

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

Aug 2022

Founder Contacts

30,000+ verified contacts

London, United Kingdom

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

$1.5M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

Renens, Switzerland

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

Aug 2024

Founder Contacts

30,000+ 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

30,000+ verified contacts

Amsterdam, The Netherlands

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

$4.0M raised
Aug 2022

Founder Contacts

30,000+ 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

30,000+ verified contacts

London, United Kingdom

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

$166K raised
Aug 2023

Founder Contacts

30,000+ 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

30,000+ verified contacts

Aachen, Germany

At Regascold, we are offering sustainable cooling processes

Aug 2025

Founder Contacts

30,000+ verified contacts

Sydney, Australia

Enosi is a 24/7 energy traceability platform.

Aug 2022

Founder Contacts

30,000+ 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

30,000+ verified contacts

The Woodlands, United States

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

$15.3M raised
Aug 2022

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

Irvine, United States

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

Jul 2023

Founder Contacts

30,000+ verified contacts

Melbourne, Australia

Allume Energy is a renewable energy technology company unlocking solar in the multi-tenanted market.

$2.4M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Oakland, United States

Smarter Solar Deployment—From Planning to Power

$12.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

South Yarra, Australia

Octopus Australia is a renewable energy developer and fund manager harnessing capital and expertise to accelerate the energy transition.

$651.3M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Munich, Germany

VoltStorage develops and produces solar energy storage systems based on the eco-friendly Redox Flow Battery technology.

$33.1M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Bergen, Norway

Fuella is a pure-play developer of large-scale green hydrogen projects.

$22.0M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Showing 51 to 75 of 517 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 517 clean energy companies tracked in the VCBacked database.

Average Funding
$55.3M
Total Funding Tracked
$1.4B
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.London
4 companies$259.8M
2.Singapore
2 companies$325.0M
3.Santa Clara
1 companiesUndisclosed
4.Berkeley
1 companies$275K
5.Berlin
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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517 Clean Energy Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked