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Seed Energy Efficiency Companies

Explore 108 energy efficiency startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
108
Total Funding
$62.4M
Avg Funding
$2.5M
Cities
25

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Kearney, United States
$1.5M
raised

Fast Forward is a technology company that designs automated inspection systems and patrol documentations for electric lines.

May 2026
Seed

Founder Contacts

30,000+ verified contacts

Spring, United States
$3.0M
raised

Fintech that provides a financing marketplace for energy efficiency projects

May 2023
Pre-Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$500K
raised

Plume makes it easy to improve home energy efficiency by assessing home, suggesting upgrades, and finding trusted contractors.

Apr 2026
Seed

Founder Contacts

30,000+ verified contacts

Newark, United States
$250K
raised

NuWorld Energy is a solar power company that provides complete services and solutions for energy efficiency improvements.

Apr 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

Budapest, Hungary
$500K
raised

Digital energy audit platform to generate white certificate for home owners

Apr 2024
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Lisbon, Portugal
$1.1M
raised

Manie is an energy consulting company that helps customers manage their energy needs and offers free comparison and switching services.

Apr 2025
Seed

Founder Contacts

30,000+ verified contacts

Sandwich, United States
$1.1M
raised

Actual Energy offers a wide array of services aimed at using energy smarter.

Apr 2022
Seed

Founder Contacts

30,000+ verified contacts

Champaign, United States
$355K
raised

Improving the energy efficiency of commercial real estate.

Apr 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Washington, United States
$1.0M
raised

OpenGrid turns everyday commercial real estate into flexible grid infrastructure using behind-the-meter batteries and EV charging.

Apr 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Vilnius, Lithuania

Inion software develops hardware and software monitoring platform for optimizing and tracking electricity generated by solar plants.

Apr 2022
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Brooklyn, United States
$7.5M
raised

Coral is a fintech platform that provides software who install things like heat pumps, EV chargers, and home batteries.

Mar 2026
Seed

Founder Contacts

30,000+ verified contacts

Esbjerg, Denmark
$2.1M
raised

Exowave is a cleantech company with a patented technology to produce fresh water, clean electricity and P2X from ocean wave energy

Mar 2022
Seed

Founder Contacts

30,000+ verified contacts

Sheffield, United Kingdom
$2.7M
raised

AmpliSi focuses on sustainable porous silicon anodes for lithium-ion batteries.

Mar 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

Singapore, Singapore
$147K
raised

SOLV8 is a technology for sustainable solvent separation.

Mar 2022
Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$173K
raised

Dodo is a platform to capture emissions and issue green loans.

Mar 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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München, Germany
$50K
raised

Automating video streaming operations with ML & agents. Cutting OPEX, resolving issues faster, reducing churn and improving user experience.

Feb 2023
Pre-Seed

Founder Contacts

30,000+ verified contacts

Milano, Italy
$8.3M
raised

Sinergy Flow enables the energy transition by developing redox flow batteries for energy storage.

Feb 2026
Seed

Founder Contacts

30,000+ verified contacts

$3.8M
raised

dsb Deutsche Sanierungsberatung provides easy and sustainable solutions for home renovations.

Feb 2025
Seed

Founder Contacts

30,000+ verified contacts

Delft, The Netherlands

MEMSYS is a Dutch startup founded as a spin-off from the Delft University of Technology.

Feb 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Zürich, Switzerland
$9.6M
raised

Optiml develops software that supports real estate decarbonization and energy transition planning.

Feb 2026
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
Unlimited exports
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Whitewater, United States
$3.1M
raised

Blue Line Battery is a manufacturer of rechargeable lithium-ion batteries.

Feb 2022
Seed

Founder Contacts

30,000+ verified contacts

Melbourne, Australia
$1.9M
raised

Conry Tech is reinventing air-conditioning to improve comfort and make it sustainable, founded by award winning HVAC experts.

Oct 2025
Seed

Founder Contacts

30,000+ verified contacts

Toronto, Canada
$541K
raised

Solenery is an AI-powered renewable energy platform that facilitates the adoption of solar and net-zero solutions for business premises.

Sep 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Sunnyvale, United States
$10.0M
raised

LifeLabs Design is a materials science company that develops technology designed to reduce energy consumption.

Sep 2025
Seed

Founder Contacts

30,000+ verified contacts

Calgary, Canada
$3.2M
raised

Swirltex builds custom water treatment systems for a wide range of applications.

Aug 2025
Seed

Founder Contacts

30,000+ verified contacts

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