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Seed Clean Energy Companies

Explore 191 clean energy startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
191
Total Funding
$69.3M
Avg Funding
$2.8M
Cities
24

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Castle Rock, United States
$2.8M
raised

Agtech company with a novel, proprietary technology to convert manure into hydrogen and other clean commodities

Sep 2021
Pre-Seed

Founder Contacts

30,000+ verified contacts

Vitrolles, France
$792K
raised

TechnoCarbon is a cleantech SAS company.

Sep 2022
Seed

Founder Contacts

30,000+ verified contacts

Linköping, Sweden
$5.8M
raised

SeaPattern enables the unlocking of a large renewable energy source hidden beneath the surface of the ocean.

Sep 2025
Seed

Founder Contacts

30,000+ verified contacts

New York, United States
$600K
raised

Citron Energy converts non-recyclable and non-organic waste into a usable energy source reducing the use of fossil fuels.

Sep 2023
Seed

Founder Contacts

30,000+ verified contacts

Maastricht, The Netherlands
$11.7M
raised

Healix Clean Tech is a clean-tech startup that aims to solve the plastic problem.

Sep 2021
Seed

Founder Contacts

30,000+ verified contacts

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Hawthorne, United States
$5.0M
raised

Hgen provides affordable green hydrogen for deep decarbonization.

Sep 2024
Seed

Founder Contacts

30,000+ verified contacts

Neumünster, Germany
$7.4M
raised

Flexibility-as-a-Service for Utilities and Grid Operators

Sep 2025
Seed

Founder Contacts

30,000+ verified contacts

Montréal, Canada

Moduly offers a virtual power plant that provides resilience, cost savings, and clean energy.

Sep 2021
Pre-Seed

Founder Contacts

30,000+ verified contacts

Fort Lauderdale, United States
$1K
raised

Azure Yacht Group has been established to develop two innovative lines of hybrid yachts.

Sep 2022
Seed

Founder Contacts

30,000+ verified contacts

Santa Monica, United States

Climate Transition Development excels renewables with Green Snow, advancing geothermal, carbon capture, and green cloud tech.

Sep 2022
Seed

Founder Contacts

30,000+ verified contacts

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Bergen, Norway
$400K
raised

Cleantech company providing a marketplace and platform for cleaner transport fuels

Sep 2021
Pre-Seed

Founder Contacts

30,000+ verified contacts

Tallinn, Estonia
$250K
raised

Applehead is a revolutionary token creating real-world impact

Aug 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

El Segundo, United States
$3.1M
raised

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

Aug 2023
Seed

Founder Contacts

30,000+ verified contacts

Singapore, Singapore
$1.3M
raised

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

Aug 2023
Seed

Founder Contacts

30,000+ verified contacts

Hamburg, Germany
$508K
raised

Carbonstack uses emissions offsets to accelerate the transition to CO2 neutrality.

Aug 2022
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Sydney, Australia

Enosi is a 24/7 energy traceability platform.

Aug 2022
Seed

Founder Contacts

30,000+ verified contacts

Pasadena, United States
$5.0M
raised

HGenium develops thermochemical processes that split water using heat and capture CO₂ to produce hydrogen for fuel production.

Aug 2022
Seed

Founder Contacts

30,000+ verified contacts

Auckland, New Zealand
$2.9M
raised

Linca develops hydrometallurgical technology to recover lithium, nickel and cobalt from end-of-life lithium-ion batteries.

Jul 2026
Seed

Founder Contacts

30,000+ verified contacts

College Park, United States
$250K
raised

Alchemity develops modular reactor systems that convert greenhouse gases and underutilized resources into carbon-neutral fuels.

Jul 2026
Seed

Founder Contacts

30,000+ verified contacts

Berlin, Germany
$4.7M
raised

Cariqa powers EV charging transactions, cutting out intermediaries and complexity.

Jul 2025
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Grand Cayman, Cayman Islands
$13.5M
raised

Unblock is a climate technology company that offers a solution to mitigate emissions.

Jul 2025
Seed

Founder Contacts

30,000+ verified contacts

Vällingby, Sweden
$727K
raised

Caplyzer develops and patented a new solution for water electrolysis.

Jul 2026
Seed

Founder Contacts

30,000+ verified contacts

Vancouver, Canada
$1.0M
raised

Fibernx develops sustainable carbon fiber and carbon nanofiber materials for industrial and energy applications.

Jul 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

SunGreenH2 is a deep cleantech company making electrolysers produce 2x green hydrogen using 30x lower precious metals and 10% lower energy.

Jul 2025
Seed

Founder Contacts

30,000+ verified contacts

Besançon, France
$1.7M
raised

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

Jul 2023
Seed

Founder Contacts

30,000+ verified contacts

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