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Undisclosed Energy Companies

Explore 79 energy startups that raised undisclosed funding. Access verified founder contact information and fundraising data.

Total Companies
79
Total Funding
$649.6M
Avg Funding
$26.0M
Cities
21

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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

30,000+ verified contacts

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

30,000+ 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

30,000+ verified contacts

Houston, United States

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

Jan 2026
Undisclosed

Founder Contacts

30,000+ 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

30,000+ verified contacts

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Oklahoma City, United States
$3.0M
raised

Galvanic Energy is a developer of energy exploration and development solutions.

Dec 2021
Undisclosed

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

$54.9M
raised

Copenhagen Infrastructure Partners is a principal investment firm specializing in infrastructure investments.

Jan 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ verified contacts

Long Beach, United States
$975K
raised

Trinary Energy is a company involved in renewable energy solutions, with a focus on technologies such as solar power and battery storage.

Nov 2022
Undisclosed

Founder Contacts

30,000+ verified contacts

Stettlen, Switzerland
$514K
raised

Cleveron provides simple and quick solution to reduce heating energy requirements and CO2 emissions up to 30%.

Nov 2021
Undisclosed

Founder Contacts

30,000+ verified contacts

Cupertino, United States
$40.0M
raised

Gridmatic is an AI-enabled power marketer that accelerates the ascent of clean energy.

Jan 2023
Undisclosed

Founder Contacts

30,000+ verified contacts

Darmstadt, Germany
$1.0M
raised

Adaptive offers a novel energy storage system for renewable integration.

Nov 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Dallas, United States
$22.9M
raised

Roaring Fork Energy is an oil & gas fund, managed by Roaring Fork Energy Partners.

Nov 2023
Undisclosed

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ verified contacts

Houston, United States
$1.9M
raised

GoodCharlie is a purpose-driven brand dedicated to creating the optimal living environment for dogs in Texas.

Nov 2021
Undisclosed

Founder Contacts

30,000+ verified contacts

Tomball, United States
$910K
raised

Kaizen Clean Energy develops hydrogen-based distributed energy resources.

Nov 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
Unlimited exports
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São Paulo, Brazil
$55.6M
raised

Faro Energy is a distributed solar energy industry that provides solar finance to commercial and industrial users.

Oct 2022
Undisclosed

Founder Contacts

30,000+ verified contacts

Dublin, Ireland
$8.8M
raised

SuperNode is a cutting-edge global technology development company.

Oct 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

Dublin, Ireland
$528K
raised

Vivid Edge delivers turnkey energy efficiency upgrades as a service, using its capital.

Oct 2023
Undisclosed

Founder Contacts

30,000+ verified contacts

Lund, Sweden

Energy optimization software for the manufacturing industry.

Oct 2022
Undisclosed

Founder Contacts

30,000+ 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

30,000+ verified contacts

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