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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
$503.8M
Avg Funding
$20.2M
Global Reach
10
countries

Top Cities for Clean Energy

Albuquerque
Hellerup
Adelaide
South Holland
Leeuwarden
Orem

Recently Funded Companies

Export
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

Munich, Germany

Vaeridion develops electric microliners for zero-emission regional air travel.

Jun 2026

Founder Contacts

41,000+ verified contacts

Woburn, United States

Factorial Energy focuses on sustainable future with safe, high performance batteries for EVs, homes, and critical applications.

$100.0M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Dallas, United States

Solidion Technology is a battery technology company that manufactures battery materials, components, and next-generation batteries.

$35.0M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Milano, Italy

EaaS, Mobile App, Payment, Cleantech

Jun 2023

Founder Contacts

41,000+ verified contacts

New York, United States

Onyx is a national provider of clean energy and decarbonization solutions to businesses, real estate, schools and government agencies.

$260.0M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Boston, United States

GenH develops a new advanced generation of hydro technologies deployable within cities and towns.

Jun 2023

Founder Contacts

41,000+ verified contacts

Madrid, Spain

Samara is a solar energy company that helps households transition to a more sustainable energy model.

$12.5M raised
Jun 2024

Founder Contacts

41,000+ verified contacts

Ridgewood, United States

Scale Microgrids is a distributed clean energy and microgrid platform.

$4.2M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Brooklyn, United States

BlocPower is an energy technology startup that focuses on developing healthy, green, and smart cities.

$156K raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Kongens Lyngby, Denmark

Waste-to-renewable gas developer focused on serving the Indian gas grid and shipping

$381K raised
Jun 2024

Founder Contacts

41,000+ verified contacts

Richmond, United States

Moxion Power develops zero-emission generators and off-road equipment to support industries.

$11.0M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands

Empowering Decisions: Tailored Market Intelligence and Strategic Insights through Hybrid Intelligence.

$250K raised
Jun 2023

Founder Contacts

41,000+ verified contacts

Coimbra, Portugal

Operating System for Energy Communities - SaaS

$15.8M raised
Jun 2022

Founder Contacts

41,000+ verified contacts

Toronto, Canada

e-Zinc is an electrochemical technology developer of energy storage solutions.

$31.0M raised
Jun 2024

Founder Contacts

41,000+ verified contacts

Düsseldorf, Germany

Zendure is the pioneer of the world’s first plug-and-play balcony energy storage system.

$13.9M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

Walldorf, Germany

FuelSave is a disruptive energy efficiency enhancement company that provides innovative solutions.

Jun 2022

Founder Contacts

41,000+ verified contacts

Showing 176 to 200 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
$20.2M
Total Funding Tracked
$503.8M
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.Toronto
2 companies$31.7M
2.Albuquerque
1 companies$493K
3.Hellerup
1 companies$3.0M
4.Adelaide
1 companies$1.0M
5.South Holland
1 companies$2.3M

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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748 Clean Energy Startups (2026) — Recently Funded — Page 8 | VCBacked