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Energy Startups

Updated July 2026

Companies in the energy sector developing innovative solutions and technologies.

Explore 3,558 recently funded energy companies with verified founder contact information and fundraising data.

Total Companies
3,558
Total Funding
$2.2B
Avg Funding
$89.3M
Global Reach
11
countries

Top Cities for Energy

San Francisco
Chicago
Besançon
Houston
North Kingstown
New York

Recently Funded Companies

Export
San Francisco, United States

Idemitsu Renewables is a renewable energy business of Idemitsu Kosan.

$61.0M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Chicago, United States

Haylon Technologies is enabling a new class of ultra-efficient battery packs.

Jul 2023

Founder Contacts

30,000+ verified contacts

Besançon, France

CLHYNN is an industrial deep tech startup, offering the next gen. of decentralized electricity for mobility and stationary applications

$1.7M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Houston, United States

WattBridge provides a single source solution for energy customers to safely and cost-effectively transition.

$265.0M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

North Kingstown, United States

Clarke Valve is a developer of energy-saving shutter valves designed to work in a variety of industrial and aerospace applications.

$5.0M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

New York, United States

Aircela turns CO2 into green fuels, using direct air capture (DAC) and renewable energy.

$5.5M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Palm Springs, United States

ZEV Station provides 100% renewable-powered, electric charging, and hydrogen fueling stations.

$5.1M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Lonate Pozzolo, Italy

Energy Dome develops and deploys long-duration energy storage systems based on a proprietary CO₂-based technology.

Jul 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Renewabl is a climate-tech software company.

Jul 2024

Founder Contacts

30,000+ verified contacts

Boston, United States

Altaeros Energies develops airborne wind turbine to produce abundant, low cost, renewable energy.

$34.8M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Kastrup, Denmark

Copenhagen Atomics is a manufacturer of thorium reactors.

Jul 2025

Founder Contacts

30,000+ verified contacts

Paris, France

Electra is an electric vehicle charging company that specializes in deploying and operating charging points for electric vehicles.

$332.7M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Sofia, Bulgaria

Renalfa is a clean energy investment group with focus in renewable energy and e-mobility.

$370.3M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Hamburg, United States

Aerovec is a renewable electrical energy provider developing small wind turbine technology.

$139K raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Colne, United Kingdom

Patch App intends to digitally transform the window cleaning business.

$2.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Sustainable and Low-Cost Battery Energy Storage

$1.7M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Seattle, United States

Pacific Northwest Hydrogen Association aims to enhance lives by establishing a clean hydrogen ecosystem throughout the Pacific Northwest.

$27.5M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

New York, United States

SnoFox Sciences provides analytics focused on increasing efficiency and decreasing energy usage for the cold industrial space.

Jul 2024

Founder Contacts

30,000+ verified contacts

Lysaker, Norway

TECO 2030 aim is to identify and develop solutions to significantly reduce ecological impact of maritime pollution.

$2.5M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Madrid, Spain

Altano Energy is a 2.0 renewables platform that aims to consolidate a portfolio of high quality and diversified energy assets in Iberia.

$70.6M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Fort Lauderdale, United States

Marathon Digital Holdings specializes in digital asset computing, developing and implementing innovative technologies.

$950.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Nantes, France

Lhyfe is a producer and supplier of green hydrogen, generated through renewable energy sources.

$2.9M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Denizli, Turkey

Ecogreen Energy produces energy from nature through solar, biogas, and biomass-based electricity generation.

$90.3M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Calgary, Canada

SeeO2 Energy is a converting carbon dioxide into marketable and clean value-added fuels and chemicals using reversible fuel technology.

$184K raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Dublin, Ireland

Fusion Fuel is into production of green hydrogen.

$4.3M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Showing 551 to 575 of 3,558 companies

About the Energy Startup Ecosystem

The 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 Energy

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 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.

Energy Funding Breakdown

Here is how funding is distributed among the 3,558 energy companies tracked in the VCBacked database.

Average Funding
$89.3M
Total Funding Tracked
$2.2B
Countries Represented
11

Distribution by Funding Stage

Other25 companies

Top Cities for Energy

1.New York
2 companies$5.5M
2.London
2 companies$1.7M
3.San Francisco
1 companies$61.0M
4.Chicago
1 companiesUndisclosed
5.Besançon
1 companies$1.7M

Related Industries

Companies in the 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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