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Seed Renewable Energy Companies

Explore 420 renewable energy startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
420
Total Funding
$66.1M
Avg Funding
$2.6M
Cities
20

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London, United Kingdom
$2.0M
raised

Installio is a UK-based specialist focused on designing, installing, and managing residential clean‑energy systems.

Nov 2025
Seed

Founder Contacts

30,000+ verified contacts

Cambridge, United Kingdom
$282K
raised

Decent Energy integrates and optimises small scale smart energy assets to minimise the cost and carbon intensity of the energy

Jan 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Medellín, Colombia
$4.0M
raised

A marketplace for Financing Solar Energy in LATAM

Nov 2025
Seed

Founder Contacts

30,000+ verified contacts

Fredericia, Denmark
$772K
raised

ShipTown is a green energy company with a vision to make green energy affordable, reliable and accessible - for anyone, everywhere.

Nov 2025
Seed

Founder Contacts

30,000+ verified contacts

Dresden, Germany
$1.3M
raised

Refuel Green offers consulting services in the field of renewable and CO2-neutral fuels.

Jan 2023
Pre-Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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London, United Kingdom
$993K
raised

Developing Cutting Edge Renewable Energy Technology to Empower Communities to Harness the Energy that Surrounds them

Jan 2023
Pre-Seed

Founder Contacts

30,000+ verified contacts

New York, United States
$499K
raised

Orenda is a renewable energy technology company that develops and operates utility scale energy storage assets.

Nov 2022
Seed

Founder Contacts

30,000+ verified contacts

Miami, United States
$3.3M
raised

Faradyne Power Systems is a renewable energy company that provide solutions for complex energy problems.

Nov 2023
Seed

Founder Contacts

30,000+ verified contacts

Nantes, France

Simple, powerful floating solar technology

Nov 2023
Seed

Founder Contacts

30,000+ verified contacts

Paris, France
$2.5M
raised

AI-powered OS for renewable energy

Nov 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Irvine, United States
$30.0M
raised

Sustainability is about more than just emissions

Nov 2023
Seed

Founder Contacts

30,000+ verified contacts

Casoria, Italy
$6.3M
raised

H2 Power is an energy service company that installs and maintains heat pumps, condensing boilers, and photovoltaic systems.

Nov 2023
Seed

Founder Contacts

30,000+ verified contacts

Exeter, United Kingdom
$905K
raised

Smarti Environmental manufactures waterless washroom solutions that reduces aerosol bacterial transmission and keeps people safe.

Nov 2024
Seed

Founder Contacts

30,000+ verified contacts

Denver, United States
$40K
raised

GeoSolar Technologies develops a green technology that utilizes natural energy sources for a carbon-free home.

Jan 2024
Seed

Founder Contacts

30,000+ verified contacts

Somerville, United States
$800K
raised

Sol Clarity specializes in the development and production of self-cleaning solar.

Nov 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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San Francisco, United States

Project Vesta is a non-profit working to galvanize the science of coastal enhanced weathering

Nov 2022
Seed

Founder Contacts

30,000+ verified contacts

Cincinnati, United States
$333K
raised

Davy Power Systems develops hydrogen and electricity production machines and builds storage and distribution device.

Nov 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$2.3M
raised

Onsite Pro (by Greenwork) is enabling the construction work that's tackling the climate crisis

Nov 2021
Pre-Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$249K
raised

Realfin is the London-based global leader in real assets data & intelligence with the world's largest real assets data platform, RealfinX.

Nov 2021
Pre-Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States

SunTrain provides and develops renewable energy storage and distribution.

Nov 2025
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Waterloo, Canada
$1.5M
raised

Swish Solar is an AI-powered monitoring platform that tracks panel cleanliness and predicts when action is needed.

Nov 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Laramie, United States
$7.5M
raised

AirLoom Energy offers wind energy harvesting services.

Oct 2024
Seed

Founder Contacts

30,000+ verified contacts

Torino, Italy
$347K
raised

Aquaseek uses a patented energy-neutral and sustainable technology to generate clean water from the air.

Oct 2021
Seed

Founder Contacts

30,000+ verified contacts

Mannheim, Germany

ICODOS de-fossilizes the shipping and chemical industries with a patented, breakthrough technology for the production of e-methanol.

Oct 2023
Pre-Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$245K
raised

Environmental consultancy helping asset & land owners explore additional revenue and cost saving via clean energy.

Oct 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

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420 Renewable Energy Seed Startups (August 2026) — Page 16 | VCBacked