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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
$2.3B
Avg Funding
$90.9M
Global Reach
9
countries

Top Cities for Clean Energy

Los Angeles
Norwich
Houston
Berkeley
São Paulo
Austin

Recently Funded Companies

Export
Los Angeles, United States

LACI is a private non-profit organization that helps in accelerating the commercialization of clean technologies.

$2.0M raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Norwich, United Kingdom

WATR develops a water monitor that is self-powered, portable, easy to install, with a live data dashboard and notification alerts.

Aug 2025

Founder Contacts

41,000+ verified contacts

Houston, United States

Katz Water Technologies purifies water using streamlined simplified equipment that utilizes waste energy.

$750K raised
Aug 2021

Founder Contacts

41,000+ verified contacts

Berkeley, United States

Brimstone is a hardware cleantech startup that aims to reduce CO2 emissions through innovative technologies.

Aug 2025

Founder Contacts

41,000+ verified contacts

São Paulo, Brazil

GDSun operates in distributed generation with a focus on solar energy.

$63.4M raised
Aug 2022

Founder Contacts

41,000+ verified contacts

Austin, United States

AI-Assisted Troubleshooting for Heavy Industry

$10.0M raised
Aug 2023

Founder Contacts

41,000+ verified contacts

Gallarate, Italy

Rewind Turbine is a renewable energy company that aims to develop innovative systems and wind turbines for the generation of clean energy.

Aug 2025

Founder Contacts

41,000+ verified contacts

Indianapolis, United States

EnPower is developing fast charge Lithium-ion batteries to accelerate the adoption of electric vehicles.

$1.1M raised
Aug 2024

Founder Contacts

41,000+ verified contacts

Escondido, United States

RockeTruck is an automotive company.

$1.1M raised
Aug 2024

Founder Contacts

41,000+ verified contacts

East Perth, Australia

Fortescue Future Industries is a mining company that is engaged in the exploration, production, processing, and sale of iron ore.

$2.0B raised
Aug 2025

Founder Contacts

41,000+ verified contacts

El Segundo, United States

Arena Renewables is a community and distributed solar and storage developer that offers lower power bills and clean energy.

$3.1M raised
Aug 2023

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Haus.me - Autonomous Self-Sustainable Homes

$4.3M raised
Aug 2022

Founder Contacts

41,000+ verified contacts

Houston, United States

ICE Thermal Harvesting focuses on supplying zero-emission power in various regions around the world.

$150.0M raised
Aug 2023

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

Rent-to-own solar for homeowners and small businesses in Southeast Asia

$1.3M raised
Aug 2023

Founder Contacts

41,000+ verified contacts

Berkeley, United States

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

$275K raised
Aug 2023

Founder Contacts

41,000+ verified contacts

Santa Clara, United States

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

Aug 2023

Founder Contacts

41,000+ 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

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

Richlands, Australia

Graphene Manufacturing Group operates as a clean-technology graphene manufacturer.

$5.0M raised
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

Showing 51 to 75 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
$90.9M
Total Funding Tracked
$2.3B
Countries Represented
9

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.Los Angeles
2 companies$6.3M
2.Houston
2 companies$150.8M
3.Berkeley
2 companies$275K
4.Norwich
1 companiesUndisclosed
5.São Paulo
1 companies$63.4M

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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