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Undisclosed Renewable Energy Companies

Explore 36 renewable energy startups that raised undisclosed funding. Access verified founder contact information and fundraising data.

Total Companies
36
Total Funding
$2.5B
Avg Funding
$101.7M
Cities
24

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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

41,000+ verified contacts

Binghamton, United States

Natrion is developing scalable solid-state electrolytes to enable the mass adoption of EVs.

May 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

Lausanne, Switzerland

CompPair is solving damage issues for the composite materials industry by developping smart sustainable textile systems.

Feb 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

New York, United States
$440.0M
raised

Greenbacker Group empowers a sustainable world by connecting individuals and institutions with investments in clean energy.

Feb 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

Miami, United States

Terra Energy is on a mission to build residential platform that delivers clean and affordable power.

Jan 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Houston, United States

Catalyze is a renewable energy data analytics, development, and asset management platform.

Jan 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

Oakland, United States
$233.0M
raised

Adapture Renewables develops, owns, and operates utility-scale solar facilities and energy storage systems.

Jan 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

August Energy helps businesses achieve profitable, scalable decarbonisation through renewable, storage, cooling, and bioenergy solutions.

Jan 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$15.0M
raised

Holyvolt is a technology company that offers nano paste screen printing technology for efficient energy extraction and storage.

Jan 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

Houston, United States
$160.0M
raised

Plus Power specializes in creating battery energy storage systems that enhance the efficiency and reliability of the electrical grid.

Nov 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Plano, United States
$220.0M
raised

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

Sep 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

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

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

$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

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41,000+ verified emails
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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

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

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

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41,000+ verified emails
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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

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

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

Showing 1 to 25 of 36 companies

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