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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
$578.4M
Avg Funding
$23.1M
Global Reach
12
countries

Top Cities for Energy Efficiency

Sydney
Paris
Gdansk
Dover
London
Oslo

Recently Funded Companies

Export
Sydney, Australia

Enaxiom develops sustainable cooling technology that reduces energy and water use for AI data centres & industry.

$1.8M raised
May 2026

Founder Contacts

30,000+ verified contacts

Paris, France

DRIVECO offers a charging station for electric vehicles

$250.0M raised
May 2023

Founder Contacts

30,000+ verified contacts

Gdansk, Poland

Creator of Percee - AI-driven Building Energy Optimization Management System (EMOS)

$1.8M raised
May 2022

Founder Contacts

30,000+ verified contacts

Dover, United States

Agentic Process Solution to automatize energy efficiency in manufacturing and unlock demand-response markets

$180K raised
May 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Barocal is a refrigeration technology company that develops solid-state cooling and heating systems for efficient cooling.

$10.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

Oslo, Norway

Energy efficient and cost effective carbon capture technology

May 2026

Founder Contacts

30,000+ verified contacts

Bordeaux, France

Bordeaux Métropole Énergies helps the Bordeaux metropolitan area handle the energy transition issue.

$101.1M raised
May 2025

Founder Contacts

30,000+ verified contacts

Birkenhead, United Kingdom

Armada Technologies created the world's first Passive Air Lubrication technology.

$3.2M raised
May 2024

Founder Contacts

30,000+ verified contacts

Gothenburg, Sweden

Eneryield develops machine learning algorithms for advanced energy analytics.

$2.0M raised
May 2024

Founder Contacts

30,000+ verified contacts

Kearney, United States

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

$360K raised
May 2026

Founder Contacts

30,000+ verified contacts

Rosemary Beach, United States

BrightNight provides renewable power solutions for utility, commercial, and industrial customers.

May 2026

Founder Contacts

30,000+ verified contacts

Carlsbad, United States

The operating system for advanced battery chemistries

$6.5M raised
May 2026

Founder Contacts

30,000+ verified contacts

Turin, Italy

i-TES designs and manufactures thermal accumulators that exploit materials.

$1.5M raised
May 2023

Founder Contacts

30,000+ verified contacts

Dublin, Ireland

Urban Volt is an energy services company that provides energy-efficient lighting solutions to commercial and industrial clients.

$45.2M raised
May 2025

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Moon Five Technologies is a clean energy startup that develops renter-first EV charging solutions for multifamily buildings.

May 2026

Founder Contacts

30,000+ verified contacts

Çankaya, Turkey

Sensgreen uses AI to help commercial buildings optimize energy, air quality, and sustainability with real-time analytics and automation

May 2025

Founder Contacts

30,000+ verified contacts

Zirovnica, Slovenia

NGEN is an energy technology company that specializes in providing digitized and decentralized electricity systems.

$81.2M raised
May 2026

Founder Contacts

30,000+ verified contacts

Houston, United States

Sun Co. Tracking specializes in making solar trackers more affordable and reliable for rooftop applications.

$350K raised
May 2022

Founder Contacts

30,000+ verified contacts

New York, United States

Exodys Energy is an engineering company that develops closed-loop nuclear systems to recycle used nuclear fuel to supply clean energy.

May 2026

Founder Contacts

30,000+ verified contacts

Montréal, Canada

SPARK Microsystems is a semiconductor company that develops short-range wireless communication technology.

$730K raised
May 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Eku Energy is a globally diversified and technology enabled energy storage business.

$59.9M raised
May 2025

Founder Contacts

30,000+ verified contacts

Stony Brook, United States

Flower Turbines develops small vertical axis wind turbines that produce low noise and are cost-effective.

$1.3M raised
May 2025

Founder Contacts

30,000+ verified contacts

Cambridge, United Kingdom

Silicon MicroGravity is a company developing novel sensor technology.

$4.5M raised
May 2024

Founder Contacts

30,000+ verified contacts

Spring, United States

Fintech that provides a financing marketplace for energy efficiency projects

$3.0M raised
May 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

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

$3.9M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Showing 101 to 125 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
$23.1M
Total Funding Tracked
$578.4M
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for Energy Efficiency

1.London
2 companies$69.9M
2.Sydney
1 companies$1.8M
3.Paris
1 companies$250.0M
4.Gdansk
1 companies$1.8M
5.Dover
1 companies$180K

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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