Skip to main content

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
$773.1M
Avg Funding
$30.9M
Global Reach
11
countries

Top Cities for Clean Energy

Copenhagen
Newport Beach
Paphos
Seattle
Edmonton
Vancouver

Recently Funded Companies

Export
Copenhagen, Denmark

Bankable renewable energy intelligence

$9.1M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Newport Beach, United States

Rimere provides climate solution services.

$10.0M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Paphos, Cyprus

Redox One manufactures iron-chromium flow batteries for large-scale energy storage across industrial and grid applications.

$20.0M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Seattle, United States

Joule Case ESS is designed to meet the mission-critical power needs of businesses, heavy industry, grid-backup, and EV charging.

$2.2M raised
Feb 2023

Founder Contacts

41,000+ verified contacts

Edmonton, Canada

Total Containment patented and developed envirolock that prevents leakage in underground gas pipe lines.

$460K raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Vancouver, Canada

Taurus is a renewable energy platform that develops and operates renewable natural gas projects and facilities.

$7.4M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Providence, United States

Project Omega is a Rhode Island-based nuclear startup that converts spent nuclear fuel into compact, long-lasting batteries.

$12.0M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Inertia is a fusion-energy company that builds and generates commercialized fusion powers.

$450.0M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Cookeville, United States

Novastus is an alternative energy company that produces negative carbon fuel using waste materials.

$400K raised
Feb 2025

Founder Contacts

41,000+ verified contacts

Boulder, United States

Bolder Industries converts carbon black and petrochemicals into eco-friendly alternatives for rubber and plastic products.

Feb 2025

Founder Contacts

41,000+ verified contacts

Bethesda, United States

We make Bitcoin mining with renewable energy easy and accessible to everyone.

$211K raised
Feb 2023

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

HYDGEN develops modular electrolyzer systems designed for on-site and on-demand green hydrogen production.

$5.0M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Golden, United States

Steelhead Composites is a provider of hydrogen storage solutions used to allow widespread zero-emission fuel cell electrification.

$1.9M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Arbor Energy is a clean power company that creates compact systems to generate clean, dependable electricity with zero emissions.

$55.0M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Berlin, Germany

Bees & Bears is a green fintech company that specializes in financing renewable energy solutions.

$5.0M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Melbourne, Australia

Conry Tech is reinventing air-conditioning to improve comfort and make it sustainable, founded by award winning HVAC experts.

$1.9M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

South San Francisco, United States

Glydways designs and implements personal rapid transit systems using self-driving vehicles.

$101.3M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Empowering households to reduce energy consumption while making homes a proactive part of the energy grid.

$3.2M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Torino, Italy

E-mobility, Sustainable Manufacturing, Advanced Materials, Cleantech, Electrification, Decarbonization

$23.4M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Sheffield, United Kingdom

mopo provides clean, affordable energy to the off-grid market in Africa.

$6.8M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden

Greenely provides an energy management platform for consumers to manage energy use and contribute to overall power system stability.

$3.7M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Valencia, Spain

Ingelia is a technology-based company specializing in R & D in the renewable energy sector.

$791K raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Berkeley, United States

Deep Isolation develops and commercializes technology to safely dispose of nuclear waste using deep horizontal boreholes.

$33.0M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Miami, United States

HOPE Hydration is a water-tech & media startup transforming global hydration.

$20.0M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

South Windsor, United States

OPM is a commercial company delivering fully functional end-use products to the biomedical, aerospace, and industrial markets.

$355K raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Showing 401 to 425 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
$30.9M
Total Funding Tracked
$773.1M
Countries Represented
11

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.Copenhagen
1 companies$9.1M
2.Newport Beach
1 companies$10.0M
3.Paphos
1 companies$20.0M
4.Seattle
1 companies$2.2M
5.Edmonton
1 companies$460K

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.

Ready to Connect with Clean Energy Startups?

Perfect for: B2B sales teams targeting clean energy companies, investors exploring sector opportunities, and service providers looking for funded companies ready to scale.

Get Started - Access Contact Information

Join thousands of sales teams, investors, and service providers using VCBacked