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Venture - Series Unknown Energy Companies

Explore 536 energy startups that raised venture - series unknown funding. Access verified founder contact information and fundraising data.

Total Companies
536
Total Funding
$867.2M
Avg Funding
$34.7M
Cities
25

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Marlborough, United States
$7.5M
raised

Square Robot builds robotic systems for submerged oil and gas inspections.

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Calgary, Canada
$29.8M
raised

Blue Spark Energy is an offering an innovative, environmentally responsible and efficient solution for oil and gas well remediation.

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Rohnert Park, United States
$6.4M
raised

Resynergi focuses on the global problem of waste plastics.

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Glasgow, United Kingdom
$39.1M
raised

Renewco Power is a renewables platform focussed on developing utility-scale solar, wind, storage and green hydrogen projects.

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Hollister, United States

ZeroAvia develops hydrogen-electric powertrains for zero-emission aviation solutions.

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Sheffield, United Kingdom
$53.5M
raised

Venterra engineer, build, and support the operations of wind energy developments around the world.

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Miami, United States
$8.1M
raised

Hybrid Manufacturing, 3D printing, Batteries

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$50.0M
raised

small modular reactors, clean energy, deep tech

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Barcelona, Spain
$44.0M
raised

bound4blue developes foldable and autonomous wingsail system.

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Boulder, United States
$10.3M
raised

Entelligent is a climate risk analytics platform that measures and manages investment exposure to climate risk.

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Hellerup, Denmark
$15.5M
raised

GREEN2X converts biomass waste into bioenergy, focusing on sustainable energy solutions in the biotechnology industry.

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Edinburgh, United Kingdom
$195.9M
raised

Pentland Floating Offshore Wind Farm energy infrastructure, including offshore wind, onshore wind, solar photovoltaic (PV).

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Brooklyn, United States
$15.0M
raised

Amogy offers carbon-free energy solutions using ammonia cracking technology.

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Woburn, United States
$54.0M
raised

Nanoramic Laboratories is a an energy storage and advanced materials company that provides an electrode solution.

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

The Hague, The Netherlands
$696K
raised

Weco is committed to environmental protection and technological advancement.

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Seattle, United States

Cosmos Innovation specialize in full stack software development, product design, cloud hosting, and MVP deployment.

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$170.9M
raised

Highview Power is a renewable energy company that develops liquid-air energy storage solutions for grid applications.

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom
$1.2M
raised

Cambridge Photon Technology is a developer of organic photovoltaic devices used to enhance next-generation solar technology.

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Mississauga, Canada
$3.0M
raised

KMX Technologies provides membrane distillation technology to separate and recover valuable chemicals and water treatment.

Nov 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Berkeley Energy Commercial Industrial Solutions is a leading Energy as a Service provider.

Oct 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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Get verified contact info for decision-makers at 536 funded startups

41,000+ verified emails
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Karlsruhe, Germany

NERATEC produces carbon-neutral synthetic fuels and chemicals for various applications.

Oct 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Cologne, Germany
$115.7M
raised

Empact plan, finance, build, and operate decentralized energy supply systems, consistently relying on the use of renewable energies.

Oct 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Midland, United States
$1.6M
raised

Warrior Technologies provides environmental and industrial services such as mechanical, trucking, industrial and environmental cleaning.

Oct 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Lappeenranta, Finland

SpinDrive creates customized levitation technology pushing energy efficiency to the maximum level and promoting oil-free solutions.

Oct 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Copenhagen, Denmark

Simplify and Automate your Carbon Accounting

Oct 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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536 Energy Venture - Series Unknown Startups (October 2026) — Page 5 | VCBacked