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Pre-Seed Renewable Energy Companies

Explore 100 renewable energy startups that raised pre-seed funding. Access verified founder contact information and fundraising data.

Total Companies
100
Total Funding
$31.4M
Avg Funding
$1.3M
Cities
24

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Wilmington, United States
$250K
raised

modular platform for managing high-end mobile AI data centers

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Oxford, United Kingdom
$134K
raised

Electrogenos is a technology and manufacturing start-up developing next-generation hydrogen alkaline electrolysers.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Highlands Ranch, United States
$8.0M
raised

American Supercritical is an energy technology company that develops supercritical carbon dioxide (sCO₂) power systems.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Cologne, Germany
$655K
raised

NUNOS develops biological treatment systems that convert livestock slurry into liquid fertilizer and recycle nitrogenous wastewater.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Copenhagen, Denmark
$646K
raised

Fibernex develops nanofiber materials to optimize green hydrogen production.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Auckland, New Zealand
$120K
raised

Ubiquetherm is to provide safe, effective heating and cooling for everyone, everywhere.

Sep 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Montréal, Canada

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

Sep 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Westport, United States
$300K
raised

Hydrogen Storage and Transport for Mobility and Energy Storage Markets.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Hamburg, Germany
$2.2M
raised

Global Integrated Mass Producer of Green Hydrogen and its Derivatives.

Sep 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Loveland, United States
$500K
raised

Plastic 2 Green turns waste plastic into next-generation energy.

Aug 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Southborough, United States
$6.0M
raised

Teragen Energy develops regenerative fuel cell systems that provide both power generation and energy storage.

Aug 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia
$250K
raised

Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Aug 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$1.5M
raised

AI enhanced nuclear fusion startup

Aug 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Changing the way the world moves with zero carbon-intensity fuel-grade blue hydrogen for transportation & zero-carbon electricity

Aug 2024
Pre-Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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Berkeley, United States
$2.9M
raised

Power‑Plant‑in‑a‑Box for EV, Data Centers | Green Energy Everywhere

Jul 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Bogotá, Colombia
$500K
raised

Rocasol provides a digital platform for solar panel installation, financing, and system monitoring.

Jul 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Calgary, Canada
$1.7M
raised

Innova Hydrogen is a renewable energy company that develops innovative and proprietary hydrogen-producing technology for the energy sector.

Jul 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Helsinki, Finland
$1.2M
raised

Granarium Technologies is a Finnish deep-tech energy that creates renewable supercapacitors using only nanocellulose, biocarbon, and water.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Sydney, Australia
$927K
raised

Oscorp Energy is an energy technology platform that provides autonomous battery sorting, recycling systems, and waste analytics solutions.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Madrid, Spain
$300K
raised

Land as a Service (LaaS)

Jun 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Loveland, United States
$1.4M
raised

Advanced Thermovoltaic Systems specializes in the discovery of all temperature heat to power at a megawatt-scale.

Jun 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Bordeaux, France
$371K
raised

BicyCompost gathers bio-waste from professionals by bike in order to recover it locally in 100% natural compost.

Jun 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Oslo, Norway
$250K
raised

SurplusMap is a geo-intelligence SaaS and analytics platform focused on EV charging infrastructure optimization and growth.

Jun 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands
$377K
raised

BlueBird Power engages in the acceleration and integration of clean energy.

Jun 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

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