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Clean Energy Startups

Updated July 2026

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

Explore 510 recently funded clean energy companies with verified founder contact information and fundraising data.

Total Companies
510
Total Funding
$5.7B
Avg Funding
$229.5M
Global Reach
13
countries

Top Cities for Clean Energy

Somerville
Washington
Chelmsford
Los Angeles
Amsterdam
Stara Iwiczna

Recently Funded Companies

Export
Somerville, United States

Greentown Labs is a climate technology incubator that seeks to invest in the clean technology, energy, and environmental industries.

$3.0M raised
Dec 2024

Founder Contacts

30,000+ verified contacts

Washington, United States

Last Energy is a nuclear technology company that provides nuclear energy through its modular micro nuclear power plants.

$100.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Chelmsford, United States

Triton Anchor offers a new level of anchoring for floating renewable energy solutions.

$3.5M raised
Dec 2024

Founder Contacts

30,000+ verified contacts

Los Angeles, United States

Building smarter cities - starting with fully autonomous and modular smart houses.

$205K raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands

One-stop shop for solar mini-grids

$1.4M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Stara Iwiczna, Poland

Effective biomass combustion and cogeneration

Dec 2021

Founder Contacts

30,000+ verified contacts

Williston, United States

ISun Energy develops and deploys solar energy and smart city e-mobility hubs.

$8.0M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

Central, Hong Kong

The Venture Platform Bridging Entrepreneurs with Investors–Catalyzing Innovation into Solutions

$30.0M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Chippendale, Australia

EnergyLab is a hub coworking space and accelerator dedicated to helping clean energy startups succeed.

$1.1M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

Houston, United States

Sage Geosystems develops geothermal and energy storage technologies that use subsurface heat and pressure to generate and store electricity.

$97.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Zug, Switzerland

PLAN-B NET ZERO is a renewable electricity provider with a software platform, enabling customers to optimise their energy consumption

$9.9M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

Hoddesdon, United Kingdom

Developers of the IPG Flameless Generator, a hybrid, fuel-agnostic power solution accelerating the transition from diesel generators.

$63K raised
Dec 2023

Founder Contacts

30,000+ verified contacts

Ivanovskaya, Russian Federation

Soymintech creates panel flooring that generates electricity from pedestrian footsteps.

$272K raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Bucharest, Romania

Charger.ro is the first integrator dedicated to smart and green solutions and services, for people and companies.

$258K raised
Dec 2022

Founder Contacts

30,000+ verified contacts

München, Germany

Pacifico Energy Partners is a renewable energy company that develops greenfields and repowers existing plants for wind and solar energy.

$21.1M raised
Dec 2022

Founder Contacts

30,000+ verified contacts

Boulder, United States

Sperra provides concrete solutions for renewable energy.

Dec 2025

Founder Contacts

30,000+ verified contacts

Boston, United States

Found Energy is a renewable energy company engaging in turning aluminum into a renewable energy carrier.

Dec 2024

Founder Contacts

30,000+ verified contacts

Chicago, United States

Evergreen Climate Innovations supports entrepreneurs and startups that are bringing impactful climate technologies to market.

$750K raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Wilmington, United States

The Innovation Space™ is a not-for-profit innovation ecosystem and a virtual and physical home for leading science entrepreneurs.

$750K raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Gilbert, United States

B2B Roof-Integrated Solar for the Residential Sector

Nov 2025

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

Northvolt is a battery manufacturer for electric vehicles, industrial systems, and energy storage systems.

$5.0B raised
Jan 2024

Founder Contacts

30,000+ verified contacts

Vienna, Austria

Nobile is an energy sharing hub platform that connects the producers and suppliers of renewable energy.

$5.5M raised
Nov 2024

Founder Contacts

30,000+ verified contacts

Oak Ridge, United States

Stellarator technology to transform energy markets with fusion power.

$87.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Mississauga, Canada

KMX Technologies provides membrane distillation technology to separate and recover valuable chemicals and water treatment.

$3.0M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Hamilton, Canada

Brookfield Renewable Partners owns and operates assets in the property, renewable power, infrastructure and private equity sectors.

$360.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Showing 426 to 450 of 510 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 510 clean energy companies tracked in the VCBacked database.

Average Funding
$229.5M
Total Funding Tracked
$5.7B
Countries Represented
13

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.Somerville
1 companies$3.0M
2.Washington
1 companies$100.0M
3.Chelmsford
1 companies$3.5M
4.Los Angeles
1 companies$205K
5.Amsterdam
1 companies$1.4M

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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510 Clean Energy Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked