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Energy Efficiency Startups

Updated October 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
$663.4M
Avg Funding
$26.5M
Global Reach
10
countries

Top Cities for Energy Efficiency

Lima
Berlin
Neumünster
Wakefield
Berkeley
New York

Recently Funded Companies

Export
Lima, Peru

Orazul Energy is a company that helps in the commercialization and generation of electricity.

$380.0M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Berlin, Germany

Nomos is a full-stack energy company that enables brands to offer embedded energy products.

$23.1M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Neumünster, Germany

Flexibility-as-a-Service for Utilities and Grid Operators

$7.4M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Wakefield, United States

Arctura is dedicated to securing a sustainable energy future that is affordable, healthy, and accessible.

$1.1M raised
Sep 2023

Founder Contacts

41,000+ verified contacts

Berkeley, United States

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

$300K raised
Sep 2026

Founder Contacts

41,000+ verified contacts

New York, United States

FRAM Energy provides energy efficiency and renewable solutions for rental homes, focusing on de-risking energy retrofits.

$500K raised
Sep 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

EcoFlow provides designs, develops and manufactures eco-friendly and affordable portable power stations for personal and professional use.

$9.6M raised
Sep 2021

Founder Contacts

41,000+ verified contacts

Waterloo, Canada

EnPowered helps businesses control their energy usage and costs.

$7.4M raised
Sep 2021

Founder Contacts

41,000+ verified contacts

Trondheim, Norway

Cartesian provide modular and cost-effective energy storage systems for large heating and cooling systems.

Sep 2025

Founder Contacts

41,000+ verified contacts

Bucharest, Romania

Ogre AI is a data science startup that engages in artificial intelligence and machine learning solutions for the utility industry.

$3.3M raised
Sep 2024

Founder Contacts

41,000+ verified contacts

Ivanhoe, Australia

Hal Systems is a climate control company for commercial buildings.

$850K raised
Aug 2023

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ verified contacts

Los Angeles, United States

Haus.me - Autonomous Self-Sustainable Homes

$4.3M raised
Aug 2022

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

Frankfurt, Germany

bettervest is a crowdinvesting platform for energy efficiency projects.

$229K raised
Aug 2024

Founder Contacts

41,000+ verified contacts

Cologne, Germany

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

Aug 2022

Founder Contacts

41,000+ verified contacts

Ilmenau, Germany

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

Aug 2023

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

Aachen, Germany

At Regascold, we are offering sustainable cooling processes

Aug 2025

Founder Contacts

41,000+ verified contacts

Showing 26 to 50 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
$26.5M
Total Funding Tracked
$663.4M
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for Energy Efficiency

1.Lima
1 companies$380.0M
2.Berlin
1 companies$23.1M
3.Neumünster
1 companies$7.4M
4.Wakefield
1 companies$1.1M
5.Berkeley
1 companies$300K

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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