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Seed Clean Energy Companies

Explore 48 clean energy startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
48
Total Funding
$90.0M
Avg Funding
$3.6M
Cities
23

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Edinburgh, United Kingdom

Exergy3 is a cleantech company that develops thermal energy storage solutions for industrial applications.

Apr 2026
Seed

Founder Contacts

19,000+ verified contacts

Cambridge, United Kingdom
$1.6M
raised

Infiniti Recycling is pioneering the future of lithium-ion battery recycling through Direct Recycling, creating a greener tomorrow

Mar 2026
Pre-Seed

Founder Contacts

19,000+ verified contacts

Anchorage, United States
$8.3M
raised

Co-located nuclear power plants to unlock the next 1,000 years of advanced industry.

Mar 2026
Seed

Founder Contacts

19,000+ verified contacts

Singapore, Singapore
$5.0M
raised

HYDGEN develops modular electrolyzer systems designed for on-site and on-demand green hydrogen production.

Oct 2025
Seed

Founder Contacts

19,000+ verified contacts

Berlin, Germany
$5.0M
raised

Bees & Bears is a green fintech company that specializes in financing renewable energy solutions.

Oct 2025
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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London, United Kingdom
$3.2M
raised

Empowering households to reduce energy consumption while making homes a proactive part of the energy grid.

Sep 2025
Seed

Founder Contacts

19,000+ verified contacts

Wilmington, United States
$325K
raised

CleanTech, Renewable Energy, Data Infrastructure, HPC, AI Infrastructure

Jun 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

Fremont, United States
$100K
raised

We build resilient and flexible EV charging infrastructure to accelerate decarbonization, and support community adaptation to climate risks.

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$100K
raised

Emobi is the leading EV charging ecosystem that offers a single point of integration.

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

Walnut Creek, United States
$2.1M
raised

Energy Efficiency, Hospitality, SaaS, IoT, Smart Buildings

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Raleigh, United States
$20.0M
raised

Clean, secure, reliable power technology based on solid-state transformers (SST) to revolutionize AI datacenters, microgrids, EV charging.

Mar 2025
Seed

Founder Contacts

19,000+ verified contacts

Seattle, United States
$2.6M
raised

AtmoCooling is a climate tech company that offers cooling solutions for coastal deserts.

Mar 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

Melbourne, Australia
$1.1M
raised

PHNXX provides containerised clean and reliable energy solutions for business operations.

Mar 2025
Seed

Founder Contacts

19,000+ verified contacts

Diemen, The Netherlands
$8.4M
raised

Moonwatt solves problems of the energy transition through innovative energy products hardware and software.

Mar 2025
Seed

Founder Contacts

19,000+ verified contacts

Herzliya, Israel
$1.5M
raised

Zero-carbon footprint technology for VOCs Abatement

Mar 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Kingston, United States
$2.6M
raised

CapeZero streamlines complex project and infrastructure financing like tax equity, empowering you to make smarter, faster capital decisions.

Jan 2025
Seed

Founder Contacts

19,000+ verified contacts

Houston, United States
$375K
raised

Bison Fuels is an energy company that focuses on decarbonization via green hydrogen.

Jan 2025
Seed

Founder Contacts

19,000+ verified contacts

Oslo, Norway
$590K
raised

Management of renewable power plants made scalable

Jan 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

Montvale, United States
$325K
raised

Spar Systems manufactures renewable energy equipment to generate power from low-temperature waste heat.

Dec 2024
Seed

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$3.2M
raised

FlatPeak is an energy tariff and intelligence platform that enables device optimisation for the lowest cost and carbon energy.

Dec 2024
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
Unlimited exports
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London, United Kingdom
$3.3M
raised

CleanTech and energy optimisation

Nov 2024
Seed

Founder Contacts

19,000+ verified contacts

Durango, United States
$10.0M
raised

King Energy is a next-generation energy company that brings solar power to multi-tenant commercial properties.

Oct 2024
Seed

Founder Contacts

19,000+ verified contacts

Madrid, Spain
$1.4M
raised

QUIXOTIC is a SaaS solution for utilities and renewable energy communities. We automate operations while creating new sources of revenue.

Oct 2024
Seed

Founder Contacts

19,000+ verified contacts

Frankfurt, Germany
$2.8M
raised

Cleantech, Greentech, PPA, Green Energy

Sep 2024
Seed

Founder Contacts

19,000+ verified contacts

San Jose, United States
$6.0M
raised

Enteligent is a Clean-Tech product company focused on higher efficiency and harnessing more solar electricity and EV charging.

Aug 2024
Seed

Founder Contacts

19,000+ verified contacts

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48 Recently Funded Clean Energy Seed Startups (June 2026) | VCBacked