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Undisclosed Energy Companies

Explore 80 energy startups that raised undisclosed funding. Access verified founder contact information and fundraising data.

Total Companies
80
Total Funding
$2.3B
Avg Funding
$93.2M
Cities
23

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Claregalway, Ireland
$48.8M
raised

Next-generation battery systems

Sep 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

Central, Hong Kong
$1.5M
raised

Thunder Power is an automotive company that develops and manufactures premium electric vehicles.

Sep 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

Atlanta, United States
$15.0M
raised

Johnson Energy Storage produces solid-state lithium metal batteries for EV, grid storage and consumer electronics.

Sep 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

Goleta, United States
$5.0M
raised

C-Zero is unlocking the zero-emission energy embedded in natural gas

Sep 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

Charlevoix, United States
$20.0M
raised

GasTechno Energy and Fuels is a CleanTech Emissions Reduction company that converts stranded gas into valuable chemicals and fuels.

Sep 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

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Vancouver, Canada
$2.2M
raised

RZOLV Technologies focused on developing advanced, technology-driven solutions to improve mining operations.

Sep 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Plano, United States
$220.0M
raised

Nexus develops, finances, and operates solar and energy storage assets.

Sep 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Stamford, United States
$40.0M
raised

Clear Ocean Partners is an investment firm that focuses on maritime assets as well as energy and commodities markets.

Aug 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Brimstone is a hardware cleantech startup that aims to reduce CO2 emissions through innovative technologies.

Aug 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$675.2M
raised

Eelpower is a battery storage developer that operates energy storage solutions.

Aug 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

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Arlington, United States
$150.0M
raised

Minting Technologies is a Delaware business, is concentrating on implementing wind and solar power generation.

Aug 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Jacksonville, United States
$27.0M
raised

Nebula Energy is an energy company.

Aug 2023
Undisclosed

Founder Contacts

30,000+ verified contacts

Bordeaux, France
$2.9M
raised

Seaturns converts wave energy into electricity with patented technology, focusing on sustainable energy solutions.

Jul 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

South Yarra, Australia
$651.3M
raised

Octopus Australia is a renewable energy developer and fund manager harnessing capital and expertise to accelerate the energy transition.

Jul 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Barcelona, Spain
$521K
raised

Electricty from nature.

Jul 2022
Undisclosed

Founder Contacts

30,000+ verified contacts

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Austin, United States
$13.0M
raised

Hexium enriches isotopes for next-gen reactors using LLNL AVLIS including Lithium and Uranium

Jul 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

San Antonio, United States
$100.7M
raised

HighPoint Midstream is an Oil and Gas company that owns and operates traditional energy midstream assets.

Jul 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Denver, United States
$5.7M
raised

FourPoint Energy is an oil and energy company that offers private energy exploration and production services.

Jul 2022
Undisclosed

Founder Contacts

30,000+ verified contacts

Delft, The Netherlands
$1.4M
raised

Tarnoc is a forward-thinking business that is committed to creating a novel heat pump technology.

Jun 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Eindhoven, The Netherlands

Solarge is a manufacturer of sustainable, fully recyclable lightweight solar panels.

Jun 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

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London, United Kingdom
$3.8M
raised

GeoEnergy NI has the potential to be a growth catalyst in the geothermal sector.

Jun 2023
Undisclosed

Founder Contacts

30,000+ verified contacts

New York, United States
$5.0M
raised

MB Commodities Capital provides commodity trade financing and investment services.

Jun 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

San Antonio, United States
$130.0M
raised

OCI Energy develops solar and battery projects and provides EPC, O&M, and PPA support for commercial and utility clients

Jun 2026
Undisclosed

Founder Contacts

30,000+ verified contacts

$371K
raised

CYTOK turns hydrogen & CO₂ into green methane. Patented CCU/CCR tech for MW-scale storage & full energy autonomy

Jun 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Pearce, United States
$211.0M
raised

Green Energy Global provides electric vehicle charging stations, solar power, and high-capacity power storage.

May 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

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