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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
$1.5B
Avg Funding
$59.5M
Cities
24

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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

41,000+ 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

41,000+ 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

41,000+ verified contacts

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

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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Bordeaux, France
$2.9M
raised

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

Jul 2025
Undisclosed

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

Eindhoven, The Netherlands

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

Jun 2025
Undisclosed

Founder Contacts

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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Fremont, United States
$13.0M
raised

Xponent Power is a renewable energy company that offers solar solutions.

Apr 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

Abilene, United States
$20.0M
raised

Natura Resources is a advanced reactor developer.

Apr 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

Midland, United States
$30.4M
raised

High view energy services offers Gas Lift and Midstream Compression Services.

Apr 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

Copenhagen, Denmark
$44.4M
raised

BioCirc is a circular bioeconomic enterprise that reduces CO2 emissions by creating renewable energy in the form of electricity.

Apr 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

Helsingør, Denmark
$977K
raised

Wavepiston converts the energy in the waves to produce clean power and clean water all over the world.

Mar 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$2.4M
raised

The Enterprise Operating System for Manufacturers

Feb 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

Minneapolis, United States
$333K
raised

Nokomis Energy, an energy consulting and development firm, provides a variety of clean energy development and consulting services.

Feb 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$3.0M
raised

Schwarm Technologies is an innovative technology company focussed on the Internet of Things (IoT)

Dec 2024
Undisclosed

Founder Contacts

41,000+ verified contacts

Durham, United States
$210.0M
raised

Leyline Renewable Capital is an investor in pre-construction renewable energy projects to accelerate development and scale businesses.

Dec 2024
Undisclosed

Founder Contacts

41,000+ verified contacts

Lebanon, United States
$3.7M
raised

FreshAir Sensor develops molecular air quality monitoring systems that help property operators track and manage indoor environments.

Dec 2024
Undisclosed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Darmstadt, Germany
$1.0M
raised

Adaptive offers a novel energy storage system for renewable integration.

Nov 2024
Undisclosed

Founder Contacts

41,000+ verified contacts

Irvine, United States
$15.0M
raised

Elevation is a manufacturing company that develops high voltage power management solutions such as AC-DC controllers.

Nov 2024
Undisclosed

Founder Contacts

41,000+ verified contacts

Tomball, United States
$910K
raised

Kaizen Clean Energy develops hydrogen-based distributed energy resources.

Nov 2024
Undisclosed

Founder Contacts

41,000+ verified contacts

Ashburn, United States
$2.0M
raised

Hoevan is a holding company focused on companies who protect, repair, and insure constantly evolving technology products

Nov 2024
Undisclosed

Founder Contacts

41,000+ verified contacts

Overland Park, United States
$9.0M
raised

Lettermen's Energy engages in providing a propane platform for families and businesses.

Oct 2024
Undisclosed

Founder Contacts

41,000+ verified contacts

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80 Energy Undisclosed Startups (October 2026) — Page 2 | VCBacked