Skip to main content

Energy Efficiency Startups

Updated August 2026

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

Explore 412 recently funded energy efficiency companies with verified founder contact information and fundraising data.

Total Companies
412
Total Funding
$350.3M
Avg Funding
$29.2M
Global Reach
7
countries

Top Cities for Energy Efficiency

São Paulo
Grenoble
Milan
London
Denver
Berlin

Recently Funded Companies

Export
São Paulo, Brazil

Acelen specializes in investing in and enhancing efficiency and productivity in the fuels, petrochemicals, and feedstock sectors.

$45.6M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

Grenoble, France

Hadrware, vibration sensor manufacturer (world thinnest piezo ceramic sensor)

$3.4M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Milan, Italy

TaDa is an energy efficiency company that provides disaggregate energy consumption analytics for users to manage energy usage.

$2.2M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Hometree specializes in residential energy services, assisting homeowners in their transition to low-carbon living.

$65.0M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

Denver, United States

Koloma is a geologic hydrogen company that leverages technology and data to identify and commercialize geologic hydrogen resources.

$50.0M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

Berlin, Germany

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

$2.1M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Delivering easy building decarbonization for commercial real estate owners

Oct 2021

Founder Contacts

41,000+ verified contacts

Louisiana, United States

Black Bayou Energy Hub is an essential storage facility for reliable and sustainable energy in the future.

$50.0M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Newport Beach, United States

Golden State Clean Energy is a leading infrastructure developer that reimagines master-planned development techniques for renewable energy.

$28.0M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

Boston, United States

Perch Energy offers clean energy technology, and services.

$30.0M raised
Oct 2023

Founder Contacts

41,000+ verified contacts

Munich, Germany

Pionierkraft develops a sustainable solution that increases the proportion of energy consumed on-site.

Oct 2024

Founder Contacts

41,000+ verified contacts

Oslo, Norway

Empower New Energy serves commercial and industrial clients and local communities by mobilizing international capital and operating assets.

$74.0M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Showing 401 to 412 of 412 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 412 energy efficiency companies tracked in the VCBacked database.

Average Funding
$29.2M
Total Funding Tracked
$350.3M
Countries Represented
7

Distribution by Funding Stage

Other12 companies

Top Cities for Energy Efficiency

1.São Paulo
1 companies$45.6M
2.Grenoble
1 companies$3.4M
3.Milan
1 companies$2.2M
4.London
1 companies$65.0M
5.Denver
1 companies$50.0M

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.

Ready to Connect with Energy Efficiency Startups?

Perfect for: B2B sales teams targeting energy efficiency companies, investors exploring sector opportunities, and service providers looking for funded companies ready to scale.

Get Started - Access Contact Information

Join thousands of sales teams, investors, and service providers using VCBacked