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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
$5.9B
Avg Funding
$236.9M
Global Reach
8
countries

Top Cities for Clean Energy

Boulder
Boston
Solon
Rousset
Chicago
Wilmington

Recently Funded Companies

Export
Boulder, United States

Sperra provides concrete solutions for renewable energy.

Dec 2025

Founder Contacts

41,000+ 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

41,000+ verified contacts

Solon, United States

Leading the ESG revolution by fermenting award-winning, green ingredients to the biggest global challenges.

$20.0M raised
Dec 2025

Founder Contacts

41,000+ verified contacts

Rousset, France

NAWA Technologies is a French SME, has developed an innovative, economically competitive Ultra-Fast Carbon battery, applied nanotechnology.

$20.7M raised
Jan 2022

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

Gilbert, United States

B2B Roof-Integrated Solar for the Residential Sector

Nov 2025

Founder Contacts

41,000+ verified contacts

Calgary, Canada

LWR is an award-winning cleantech startup that provides resource recovery equipment for sustainable farming and green energy production.

Nov 2023

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Ionech harnesses natural energy for clean, reliable power. Sustainable tech cuts fossil fuel reliance, building a greener future.

$2.7M raised
Jan 2026

Founder Contacts

41,000+ 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

41,000+ verified contacts

London, United Kingdom

Kinetics is a clean energy company that offers renewables, battery storage and clean technology solutions.

$400.0M raised
Nov 2025

Founder Contacts

41,000+ 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

41,000+ verified contacts

Oak Ridge, United States

Stellarator technology to transform energy markets with fusion power.

$87.0M raised
Jan 2026

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

Naples, United States

Ecolution Power focuses on helping cities and industries move toward a net-zero carbon footprint.

$632K raised
Nov 2023

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Renewable energy & infrastructure deal origination platform

$698K raised
Nov 2022

Founder Contacts

41,000+ verified contacts

Eindhoven, The Netherlands

S-ALD, nano coating, reducing the dependency on scarce material, electrolysers, fuel cells, batteries

$5.4M raised
Nov 2022

Founder Contacts

41,000+ verified contacts

Boston, United States

Gaiascope helps energy companies and investors transition to the future in the most economic way possible.

Nov 2021

Founder Contacts

41,000+ verified contacts

Somerville, United States

Maxwellian revolutionizes health with chemical-free clinical-grade air and hygiene for commercial buildings and mobility

$250K raised
Nov 2022

Founder Contacts

41,000+ verified contacts

Toronto, Canada

Clear Blue Technologies, the Smart Off-Grid company, combines green energy with the proven advantages of communications.

$855K raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Bogotá, Colombia

Bia Energy is transforming LatAm’s power sector with smart meters and a digital platform for real-time control, savings, and sustainability.

$8.5M raised
Nov 2024

Founder Contacts

41,000+ verified contacts

Stony Brook, United States

SuperClean Glass develops automated, scalable, and waterless cleaning technology for removing dust from solar panels.

$256K raised
Nov 2021

Founder Contacts

41,000+ verified contacts

Crewkerne, United Kingdom

Biomass to biochar using proprietary advanced pyrolytic technology in a Disposal as a Service model

Jan 2026

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom

Decent Energy integrates and optimises small scale smart energy assets to minimise the cost and carbon intensity of the energy

$282K raised
Jan 2025

Founder Contacts

41,000+ verified contacts

Showing 626 to 650 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
$236.9M
Total Funding Tracked
$5.9B
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.London
3 companies$403.4M
2.Boston
2 companiesUndisclosed
3.Boulder
1 companiesUndisclosed
4.Solon
1 companies$20.0M
5.Rousset
1 companies$20.7M

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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