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Series A Clean Energy Companies

Explore 70 clean energy startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
70
Total Funding
$1.2B
Avg Funding
$46.9M
Cities
20

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Woburn, United States
$22.0M
raised

Emvolon is a technology company that converts wasted resources into low-cost green fuels

Oct 2026
Series A

Founder Contacts

41,000+ verified contacts

Zürich, Switzerland
$9.0M
raised

UniSieve is a cleantech company that provides molecular separation membrane solutions for a wide range of applications.

Oct 2026
Series A

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$40.0M
raised

Rune Energy manufactures and operates modular AI data centers that use power electronics to connect to clean energy assets.

Sep 2026
Series A

Founder Contacts

41,000+ verified contacts

Mechelen, Belgium
$11.6M
raised

Octave provides battery energy storage systems and software for managing renewable energy, EV charging, and power use.

Sep 2026
Series A

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$9.4M
raised

Gridcog offers a simulation software that helps energy analysts navigate both the physical and commercial complexities of energy projects.

Jul 2026
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Darmstadt, Germany
$240.0M
raised

Focused Energy is a fusion energy company developing laser-driven inertial fusion systems for commercial power generation.

May 2026
Series A

Founder Contacts

41,000+ verified contacts

Welshpool, Australia
$8.6M
raised

Renewable Metals allows outdated batteries to retain essential minerals, extending their useful life.

Apr 2026
Series A

Founder Contacts

41,000+ verified contacts

Raleigh, United States
$60.0M
raised

DG Matrix develops solid-state power conversion systems for electric vehicle charging and distributed energy applications.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Denver, United States
$16.8M
raised

Zero Homes is a technology company that develops an end-to-end digital platform that supports homeowners and contractors.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$450.0M
raised

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

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Foetz, Luxembourg
$16.5M
raised

R3 Robotics is an industrial robotics company that develops AI-powered automated disassembly systems for end-of-life processing.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Gif-sur-yvette, France
$35.0M
raised

Spark Cleantech develops and deploys a patented decarbonization technology for heavy industries.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

Los Angeles, United States
$55.0M
raised

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

Oct 2025
Series A

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$3.7M
raised

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

Sep 2025
Series A

Founder Contacts

41,000+ verified contacts

Miami, United States
$20.0M
raised

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

Jul 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$8.0M
raised

Station A is a technology company reimagining how clean energy is bought and sold.

Jun 2025
Series A

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$27.2M
raised

End-to-End Energy-as-a-Service for Small and Medium Sized Enterprise

May 2025
Series A

Founder Contacts

41,000+ verified contacts

Lexington, United States
$46.3M
raised

The Nuclear Company is a fleet-scale nuclear deployment firm that offers for nuclear sectors.

May 2025
Series A

Founder Contacts

41,000+ verified contacts

Tokyo, Japan
$4.4M
raised

Asusola is a renewable energy developer that specializes in the installation and operation of wind and solar energy projects.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands

Transforming CO2 supply

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Fribourg, Switzerland
$14.7M
raised

Bloom Biorenewables is making biomass a true alternative to petroleum.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$10.9M
raised

Novatron develops a new proprietary fusion power concept together with physicists, engineers, and academia.

Mar 2025
Series A

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands
$17.5M
raised

Thorizon develops and deploys cutting-edge technology for molten salt reactors.

Mar 2025
Series A

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$17.4M
raised

Developing the world's first high pressure, ultra-efficient electrolyser and lowest cost of pressurised green hydrogen.

Mar 2025
Series A

Founder Contacts

41,000+ verified contacts

Berkeley, United States
$27.5M
raised

Capture6 is a direct air capture start-up leveraging its technology to support climate resilience and industrial decarbonization.

Mar 2025
Series A

Founder Contacts

41,000+ verified contacts

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