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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
$2.1B
Avg Funding
$82.7M
Cities
20

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Kowloon City, Hong Kong
$1.0M
raised

3E Network Technology Group provides B2B IT solutions and develops AI and blockchain data center infrastructure services.

Sep 2026
Undisclosed

Founder Contacts

41,000+ 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

41,000+ verified contacts

Kyiv, Ukraine
$9.3M
raised

GridWe is an innovative company with a clear mission.

May 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

Cheyenne, United States
$25.0M
raised

Frontieras North America is an energy and environmental technology company that produces gas, liquid, and solid energy products.

Apr 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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London, United Kingdom
$420K
raised

Corpus Resources is an upstream energy company engaged in oil and gas exploration and resource asset management.

Apr 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

Menlo Park, United States

BattSwap is a commercial fleet enabler for electric vehicle implementation through battery swap systems.

Apr 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

Berkeley, United States
$80.0M
raised

Deep Fission is transforming the energy landscape by installing modular nuclear power reactors a mile deep.

Feb 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Terrassa, Spain
$652K
raised

We develop the most advanced batteryless & maintenace-free long-range egde iIoT self-powered by heat. EU Key Innovator in Autonomous Sensors

Jan 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

Houston, United States

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

Jan 2026
Undisclosed

Founder Contacts

41,000+ verified contacts

Houston, United States
$40.0M
raised

Fidelis Infrastructure is a fund management firm that invests in renewable, transitioning energy and digital infrastructure sectors.

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

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41,000+ verified emails
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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

Vancouver, Canada
$1.7M
raised

OVI Mining is an exploration stage company engaged principally in the acquisition, exploration and development of mineral properties.

Oct 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

Alexandria, Australia
$13.4M
raised

Lithium-sulfur and Sodium-sulfur battery innovation.

Oct 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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London, United Kingdom
$1.5M
raised

A communication tool built for on-site project teams, replacing WhatsApp & linking with existing systems to better report what's happening.

Oct 2025
Undisclosed

Founder Contacts

41,000+ 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

41,000+ verified contacts

Vancouver, Canada
$2.2M
raised

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

Sep 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

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

London, United Kingdom
$675.2M
raised

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

Aug 2025
Undisclosed

Founder Contacts

41,000+ verified contacts

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