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Energy Efficiency Startups

Updated July 2026

Companies in the energy efficiency sector developing innovative solutions and technologies.

Explore 413 recently funded energy efficiency companies with verified founder contact information and fundraising data.

Total Companies
413
Total Funding
$485.6M
Avg Funding
$19.4M
Global Reach
11
countries

Top Cities for Energy Efficiency

Ivanhoe
Seattle
Lisboa
Antwerp
Andover
Los Angeles

Recently Funded Companies

Export
Ivanhoe, Australia

Hal Systems is a climate control company for commercial buildings.

$850K raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Seattle, United States

Edo partners with utilities to transform buildings to become grid interactive in order to achieve energy efficiency and decarbonization.

$5.0M raised
Aug 2024

Founder Contacts

30,000+ verified contacts

Lisboa, Portugal

Bling Energy is a startup that focuses on providing more efficient and sustainable energy solutions, mostly through solar panels.

$17.4M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

Antwerp, Belgium

June is a user centric advisory platform with B2B(2C) bill-reducing services and a advice for energy related product and services.

$4.0M raised
Aug 2022

Founder Contacts

30,000+ verified contacts

Andover, United States

Robotic microfactories for building net-zero homes 2x faster, 2x cheaper with 10x lower carbon

$20.0M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

Los Angeles, United States

Haus.me - Autonomous Self-Sustainable Homes

$4.3M raised
Aug 2022

Founder Contacts

30,000+ verified contacts

Santa Fe Springs, United States

AMP operates as an energy management solutions provider for e-mobility.

$17.3M raised
Aug 2022

Founder Contacts

30,000+ verified contacts

Houston, United States

ICE Thermal Harvesting focuses on supplying zero-emission power in various regions around the world.

$150.0M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Turin, Italy

Enerbrain turns wasteful buildings into smarter, healthier & more sustainable ones with an innovative IoT energy retrofit solution.

$6.2M raised
Aug 2021

Founder Contacts

30,000+ verified contacts

Frankfurt, Germany

bettervest is a crowdinvesting platform for energy efficiency projects.

$229K raised
Aug 2024

Founder Contacts

30,000+ verified contacts

Cologne, Germany

EINHUNDERT Energy develops smart services around green and digital energy supply for tenants.

Aug 2022

Founder Contacts

30,000+ verified contacts

Ilmenau, Germany

Betterspace develops IoT-powered building and energy management software that helps organizations create smarter, sustainable spaces.

Aug 2023

Founder Contacts

30,000+ verified contacts

Wilmington, United States

Baryon develops energy efficiency technologies with applications in building cooling, water production, cold chain, and others.

$2.1M raised
Aug 2021

Founder Contacts

30,000+ verified contacts

Detroit, United States

Pearl Edison is an internet marketplace company that specializes in home electrical and energy-efficiency projects.

$3.3M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

Aachen, Germany

At Regascold, we are offering sustainable cooling processes

Aug 2025

Founder Contacts

30,000+ verified contacts

Stavanger, Norway

ClevAir quality assures indoor air quality while not wasting energy in commercial real estate. 15-35% savings

Aug 2021

Founder Contacts

30,000+ verified contacts

Arcadia, United States

Element 16 is a developer of energy storage system.

$1.4M raised
Aug 2021

Founder Contacts

30,000+ verified contacts

The Woodlands, United States

Alden Group Renewable Energy provides sustainable solutions for edible oil wastes.

$15.3M raised
Aug 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Energy optimization for data centers. Revenue optimization for power generation.

$300K raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Grand Cayman, Cayman Islands

Unblock is a climate technology company that offers a solution to mitigate emissions.

$13.5M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Vancouver, Canada

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

$1.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Gothenburg, Sweden

SINOM is a web platform that provides a comprehensive approach to planning sustainable maintenance and renovations.

$526K raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Paris, France

Geosophy develops real estate assets and manages energy usage by assuring a local supply for thermal comfort.

$2.2M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Milano, Italy

Sunprime is a fast-growing Independent Power Producer based in Italy focused on Solar C&I, and smart homes segments.

$220.8M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Seattle, United States

Energsoft is software as a service that improves batteries and energy storage, B2B platform reports, and predicts batteries AI insights.

Jul 2023

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 of 413 companies

About the Energy Efficiency Startup Ecosystem

The energy efficiency sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Energy Efficiency

Energy Efficiency companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The energy efficiency sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Energy Efficiency Funding Breakdown

Here is how funding is distributed among the 413 energy efficiency companies tracked in the VCBacked database.

Average Funding
$19.4M
Total Funding Tracked
$485.6M
Countries Represented
11

Distribution by Funding Stage

Other25 companies

Top Cities for Energy Efficiency

1.Seattle
2 companies$5.0M
2.Ivanhoe
1 companies$850K
3.Lisboa
1 companies$17.4M
4.Antwerp
1 companies$4.0M
5.Andover
1 companies$20.0M

Related Industries

Companies in the energy efficiency sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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413 Energy Efficiency Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked