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Renewable Energy Startups

Updated August 2026

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

Explore 1,826 recently funded renewable energy companies with verified founder contact information and fundraising data.

Total Companies
1,826
Total Funding
$2.5B
Avg Funding
$100.7M
Global Reach
13
countries

Top Cities for Renewable Energy

Rankin Inlet
Cork
Harrisonburg
Glasgow
Annapolis
Los Angeles

Recently Funded Companies

Export
Rankin Inlet, Canada

Nukik is an Inuit-owned corporation that develops and operates big infrastructure projects in Nunavut's Kivalliq region.

$2.1M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Cork, Ireland

ActionZero is an industry pioneer, developing and deploying ground-breaking, self-funding solutions for a zero-emissions future.

$3.2M raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Harrisonburg, United States

Sol Renewables is a renewable energy company that specializes in solar energy resources and services.

$675K raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Glasgow, United Kingdom

Regeno Resources accelerating the goal of clean energy with inexpensive, self-installing wind turbines.

$564K raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Annapolis, United States

BTS Bioenergy is a global leader turning organic waste into renewable natural gas and sustainable fertilizer using anaerobic digestion.

$30.0M raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Liquidstar makes Waypoints, or the 7/11 for Utility Services (Electricity, Water, and Internet) in Emerging Markets

$120K raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Vilnius, Lithuania

Viezo is a tech start-up company that specializes in energy harvesting technology that convert vibrations into electricity.

Mar 2023

Founder Contacts

41,000+ verified contacts

Las Condes, Chile

Aclara Resources is focused on developing Heavy Rare Earths ("HREE") mineral resources in ionic clay deposits.

$41.5M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Ann Arbor, United States

SkySpecs is a renewable energy technology company that provides software solutions to optimize asset management, and improve efficiency.

$20.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Houston, United States

Nothwind's aim is to reduce emissions and treat off-spec natural gas by offering sustainable midstream services.

$700.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Dalmine, Italy

Resilco provides sustainable solutions for gas purification.

$5.5M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Carbon Neutral Fuels develops technology combines air, water and low-carbon energy to make carbon neutral fuel..

$1.6M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Mexico City, Mexico

Sistema.bio is a manufacturer of prefabricated modular biodigester systems for farmers to produce fertilizer and biogas.

$53.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Madrid, Spain

Eranovum manages the development and construction of renewable energy projects in Spain using new era energy infrastructure.

$18.4M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Salt Lake City, United States

rPlus Energies builds new power plants to help rebuild America's energy infrastructure.

$650.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Godalming, United Kingdom

Constantine Energy Storage is an energy storage company that provides energy management and renewable energy services.

$233.7M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Glasgow, United Kingdom

IP-based green technology R&D company

$1.0M raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Brooklyn, United States

Create customized PV designs using the most accurate data available - that always fit on install day.

$10.0M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Philadelphia, United States

Doral Renewables develops, constructs, and operates large-scale renewable energy projects.

$525.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Greenville, United States

Soteria is enabling safe lithium-ion batteries through technology that reduces the number of battery fires by 90-99%.

Mar 2025

Founder Contacts

41,000+ verified contacts

Oakland, United States

SOLARCYCLE is a technology-driven company maximizing solar sustainability through recycling and repurposing.

$30.0M raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Hamburg, Germany

Novocarbo is a carbon removal company built by business professionals with a legacy of passion for soil & agriculture.

$27.2M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

Sun Cable build's the systems and infrastructure to deliver competitively priced, dispatchable, renewable electricity.

$151.2M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Newcastle, Australia

Making 24/7 renewables a reality through Thermal Energy Storage.

$12.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Tokyo, Japan

Carbon EX is an online platform that connects carbon credit and emissions exchange suppliers with consumers.

$2.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Showing 851 to 875 of 1,826 companies

About the Renewable Energy Startup Ecosystem

The renewable 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 Renewable Energy

Renewable 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 renewable 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.

Renewable Energy Funding Breakdown

Here is how funding is distributed among the 1,826 renewable energy companies tracked in the VCBacked database.

Average Funding
$100.7M
Total Funding Tracked
$2.5B
Countries Represented
13

Distribution by Funding Stage

Other25 companies

Top Cities for Renewable Energy

1.Glasgow
2 companies$1.6M
2.Rankin Inlet
1 companies$2.1M
3.Cork
1 companies$3.2M
4.Harrisonburg
1 companies$675K
5.Annapolis
1 companies$30.0M

Related Industries

Companies in the renewable 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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