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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
$105.8M
Avg Funding
$4.2M
Cities
24

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Chicago, United States
$15.5M
raised

Clean Core Thorium Energy develops advanced nuclear fuel for existing reactors.

Feb 2025
Seed

Founder Contacts

30,000+ verified contacts

Garðabær, Iceland
$1.6M
raised

Improving efficiency of thermal-intensive industries such as Data Centres, Chemicals and Refining

Feb 2025
Seed

Founder Contacts

30,000+ verified contacts

New York, United States
$7.3M
raised

Shadow Power enables energy companies to optimize grid interactions, enhance energy reliability, and maximize the value of their assets.

Feb 2025
Seed

Founder Contacts

30,000+ verified contacts

Providence, United States
$12.0M
raised

Project Omega is a Rhode Island-based nuclear startup that converts spent nuclear fuel into compact, long-lasting batteries.

Feb 2026
Seed

Founder Contacts

30,000+ 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

30,000+ verified contacts

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Berlin, Germany
$5.0M
raised

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

Oct 2025
Seed

Founder Contacts

30,000+ verified contacts

Melbourne, Australia
$1.9M
raised

Conry Tech is reinventing air-conditioning to improve comfort and make it sustainable, founded by award winning HVAC experts.

Oct 2025
Seed

Founder Contacts

30,000+ verified contacts

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

30,000+ verified contacts

Stockholm, Sweden
$1.5M
raised

Tether builds AI that turns millions of parked EVs into the world's largest battery

Jun 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Turin, Italy
$751K
raised

SUNSPEKER creates a fully recyclable graphic cover able to camouflage any solar panel.

Jun 2025
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Wilmington, United States
$325K
raised

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

Jun 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

$3.4M
raised

Lumoview digitizes buildings in 2 seconds per room and empowers owners to improve their buildings and reduce CO2 emissions.

Jun 2025
Seed

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ verified contacts

Walnut Creek, United States
$2.1M
raised

Energy Efficiency, Hospitality, SaaS, IoT, Smart Buildings

Apr 2025
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Vienna, Austria
$1.0M
raised

SALZSTROM is a sustainable technology company that focuses on sodium-ion batteries as a viable alternative to lithium-ion energy storage.

Apr 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Victoria, Canada
$2.0M
raised

Solaires Entreprises Inc. is a group of scientists and engineers dedicated to bringing solar energy to a broader audience.

Apr 2025
Seed

Founder Contacts

30,000+ verified contacts

Lugano, Switzerland
$1.2M
raised

Gaia Turbine creates a plug-and-play hydroelectric microturbine that is perfect for aqueducts and the smallest necessary outflows.

Mar 2025
Seed

Founder Contacts

30,000+ verified contacts

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

30,000+ 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

30,000+ verified contacts

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30,000+ verified emails
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Melbourne, Australia
$1.1M
raised

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

Mar 2025
Seed

Founder Contacts

30,000+ verified contacts

Newark, United States
$5.5M
raised

Carbon Reform is a climate-tech startup that offers a carbon capture and pollution-control device to reduce CO2 levels in the atmosphere.

Mar 2025
Seed

Founder Contacts

30,000+ 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

30,000+ verified contacts

Herzliya, Israel
$1.5M
raised

Zero-carbon footprint technology for VOCs Abatement

Mar 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Tallinn, Estonia
$2.5M
raised

Gridio is a smart electric vehicle charging platform, integrating with all key brands of electric cars, solar inverters and batteries (soon)

Jan 2025
Seed

Founder Contacts

30,000+ verified contacts

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