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Series A Energy Companies

Explore 321 energy startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
321
Total Funding
$893.1M
Avg Funding
$35.7M
Cities
23

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Houston, United States
$13.6M
raised

ignis H2 Energy is a Geothermal exploration and development company that mainly provides sustainable green energy.

Feb 2025
Series A

Founder Contacts

30,000+ verified contacts

Raleigh, United States
$60.0M
raised

DG Matrix develops solid-state power conversion systems for electric vehicle charging and distributed energy applications.

Feb 2026
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$1.7M
raised

GameChange Solar are changing the world by making the solar affordable.

Feb 2023
Series A

Founder Contacts

30,000+ verified contacts

Denver, United States
$16.8M
raised

Zero Homes is a technology company that develops an end-to-end digital platform that supports homeowners and contractors.

Feb 2026
Series A

Founder Contacts

30,000+ verified contacts

Arosteguieta, Spain
$5.9M
raised

Optimitive provides AI based real time efficiency improvement optimization software for resource intensive process industries

Feb 2026
Series A

Founder Contacts

30,000+ verified contacts

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Tokyo, Japan
$10.7M
raised

DG Capital Group is a firm that develops and manufactures devices to connect renewable energy distribution networks to conventional systems.

Feb 2024
Series A

Founder Contacts

30,000+ verified contacts

Austin, United States
$2.0M
raised

Illumine-i is an energy company that provides power, consultancy, and construction services.

Feb 2024
Series A

Founder Contacts

30,000+ verified contacts

Copenhagen, Denmark
$9.1M
raised

Bankable renewable energy intelligence

Feb 2024
Series A

Founder Contacts

30,000+ verified contacts

Paphos, Cyprus
$20.0M
raised

Redox One manufactures iron-chromium flow batteries for large-scale energy storage across industrial and grid applications.

Feb 2024
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$450.0M
raised

Inertia is a fusion-energy company that builds and generates commercialized fusion powers.

Feb 2026
Series A

Founder Contacts

30,000+ verified contacts

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Cambridge, United Kingdom
$18.0M
raised

Immaterial develop nanomaterials that are super effective at storing and separating gas.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

Los Angeles, United States
$55.0M
raised

Arbor Energy is a clean power company that creates compact systems to generate clean, dependable electricity with zero emissions.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

Hamburg, Germany
$9.5M
raised

suena is a Hamburg based 100% digital flexibility trader for large-scale battery storage and renewable energies.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

Phoenix, United States
$10.5M
raised

Nuclearn is a software company delivering AI solutions for automating Nuclear Industry tasks.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$20.0M
raised

Euclid Power delivers software that streamlines renewable energy project development with integrated tools and expertise.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Stockholm, Sweden
$3.7M
raised

Greenely provides an energy management platform for consumers to manage energy use and contribute to overall power system stability.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

Miami, United States
$20.0M
raised

HOPE Hydration is a water-tech & media startup transforming global hydration.

Jul 2025
Series A

Founder Contacts

30,000+ verified contacts

Quebec, Canada
$4.4M
raised

IoT ecosystem focused on high value-added solutions to meet major challenges

Jul 2025
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$4.2M
raised

Apis Point providing innovative price stability and risk management solutions to fuel wholesalers, distributors, and commercial buyers.

Jun 2025
Series A

Founder Contacts

30,000+ verified contacts

Berlin, Germany
$27.2M
raised

End-to-End Energy-as-a-Service for Small and Medium Sized Enterprise

May 2025
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Rochester, United States
$11.5M
raised

GDI develops and manufactures silicon anodes for Li-ion batteries.

May 2025
Series A

Founder Contacts

30,000+ verified contacts

Tempe, United States
$17.0M
raised

Solestial exists to deliver abundant energy in space.

May 2025
Series A

Founder Contacts

30,000+ verified contacts

Lexington, United States
$46.3M
raised

The Nuclear Company is a fleet-scale nuclear deployment firm that offers for nuclear sectors.

May 2025
Series A

Founder Contacts

30,000+ verified contacts

Hawthorne, United States
$20.0M
raised

Reflect Orbital is a solar company that offers solar powered tech and products.

May 2025
Series A

Founder Contacts

30,000+ verified contacts

Madison, United States
$36.0M
raised

Realta Fusion develops fusion energy technology for the production of industrial heat and power.

May 2025
Series A

Founder Contacts

30,000+ verified contacts

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