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Pre-Seed Energy Efficiency Companies

Explore 24 energy efficiency startups that raised pre-seed funding. Access verified founder contact information and fundraising data.

Total Companies
24
Total Funding
$19.9M
Avg Funding
$829K
Cities
21

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London, United Kingdom
$1.2M
raised

The intelligence layer for modern business energy

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$1.3M
raised

Gyre Energy is a cooling platform technology that cuts costs for cooling intensive operators.

Jul 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Vancouver, Canada
$1.0M
raised

Fibernx develops sustainable carbon fiber and carbon nanofiber materials for industrial and energy applications.

Jul 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Loveland, United States
$1.4M
raised

Advanced Thermovoltaic Systems specializes in the discovery of all temperature heat to power at a megawatt-scale.

Jun 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States

AICE Power develops autonomous subsea drones for monitoring and protecting critical infrastructure and underwater security operations.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Spring, United States
$3.0M
raised

Fintech that provides a financing marketplace for energy efficiency projects

May 2023
Pre-Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

Champaign, United States
$355K
raised

Improving the energy efficiency of commercial real estate.

Apr 2024
Pre-Seed

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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London, United Kingdom
$173K
raised

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

Mar 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

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

41,000+ 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

41,000+ 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

41,000+ verified contacts

Marina Del Rey, United States
$125K
raised

IoT; Sensors, Smart Building, Energy Efficiency

Nov 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Lausanne, Switzerland
$1.3M
raised

GraphEnergyTech focuses on the power of graphene for solar cells.

Aug 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Reutlingen, Germany
$216K
raised

Reducing buildings' carbon footprint with Energy AI

May 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$341K
raised

Neos is a clean energy provider that offers customers direct access to electricity generated in utility-scale solar parks.

Aug 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Aix-en-provence, France
$165K
raised

Ween's ambition is to make their living spaces autonomous.

May 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Bologna, Italy
$480K
raised

SaaS platform that simplifies real estate buying and selling.

Dec 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Amsterdam, The Netherlands
$1.4M
raised

One-stop shop for solar mini-grids

Dec 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom
$282K
raised

Decent Energy integrates and optimises small scale smart energy assets to minimise the cost and carbon intensity of the energy

Jan 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$589K
raised

Accelerating the decarbonization of homes by removing friction in the transition to heat pumps.

Jan 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$2.1M
raised

Nomos is an IT company that develops embedded dynamic energy plans and Implements them in days instead of months.

Oct 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

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