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Clean Energy Startups

Updated July 2026

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

Explore 510 recently funded clean energy companies with verified founder contact information and fundraising data.

Total Companies
510
Total Funding
$336.0M
Avg Funding
$13.4M
Global Reach
10
countries

Top Cities for Clean Energy

Coimbra
Woburn
Yokohama
Berne
Hamburg
Orange

Recently Funded Companies

Export
Coimbra, Portugal

Eneida designs and develops smart sensors and artificial intelligence applications for resilient and agile low voltage grid.

$11.4M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Woburn, United States

Feon develops new-molecule-based liquid electrolytes for lithium-ion and lithium-metal batteries.

$6.1M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Yokohama, Japan

Nature specializes in the development, manufacturing, and sales of IoT devices, along with offering energy management solutions.

$7.6M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Berne, Switzerland

Neustark is a concrete producer in bern using wastewater treatment plant by turning CO2 into minerals.

$69.0M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Hamburg, Germany

The operating system for the oil & gas sector to effortlessly find, fix, and report methane emissions

$5.5M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Orange, United States

Hyperion Companies develops hydrogen fuel cells, energy storage, and advanced mobility solutions.

$700K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Woodbridge, United States

We are a vertically integrated solar manufacturer and energy producerall made in the United States.

$1.0M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Rendesco's mission is to transform the heating business by creating geothermal networks using ground-source heat pump technology.

$7.7M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Bern, Switzerland

Green-Y is reducing energy cost for industry clients by providing a next-gen efficient compressed air technology.

$3.3M raised
Apr 2024

Founder Contacts

30,000+ verified contacts

Las Vegas, United States

Blue Green Energy is a clean energy company that offers green hydrogen production, distribution and retail fueling stations.

$2.3M raised
Apr 2024

Founder Contacts

30,000+ verified contacts

New York, United States

Sealed is a residential energy efficiency startup that designs, manages, and finances home weatherization and electrification projects.

$30.0M raised
Mar 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Gridcog is a software for intelligent energy decisions—fast, accurate simulation of complex energy projects, physical and commercial

$4.2M raised
Mar 2024

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Gradient's mission is to cool the world by transforming every home to be more comfortable and healthy for the people who inhabit it.

$9.5M raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Woburn, United States

Alsym Energy develops non-lithium rechargeable batteries for stationary storage, maritime shipping, and electric vehicles.

$78.0M raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Mirandela, Portugal

Digital Twin Technology for Power Grids to optimize energy asset management through predictive intelligence and sensorless technology.

$3.8M raised
Jan 2024

Founder Contacts

30,000+ verified contacts

Groningen, The Netherlands

Soly is a solar energy startup that provides energy equipment to make solar energy accessible to everyone.

$32.8M raised
Jan 2024

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Geminus is pioneering real-time intelligence for complex industrial systems.

$13.0M raised
Jan 2024

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Rincell manufactures advanced Lithium-ion and non lithium-ion batteries.

$1.2M raised
Jan 2024

Founder Contacts

30,000+ verified contacts

Luxembourg, Luxembourg

Clariter is a global clean-tech company that has created a revolutionary process which addresses the world's plastic waste problem.

$36.5M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

San Diego, United States

Eversun: Redefining portable utility with solar-powered, rapidly deployable eTowers for emergency, military, and remote operations.

$300K raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Alameda, United States

Zero Emission Industries offers a complete range of hydrogen powered energy systems.

$8.8M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Ventive creates healthy internal environments. Pioneers of Passive Ventilation with Heat Recovery

$1.1M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Gothenburg, Sweden

ReVibe Energy® provides sensors and monitoring systems with a power source that is both sustainable and reliable.

$1.2M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Vsters, Sweden

Modular And Compact Direct Air Capture

$672K raised
Oct 2023

Founder Contacts

30,000+ verified contacts

aankaya, Turkey

Ratio Energy creates battery energy storage facilities, energy management systems, and software for energy optimization.

$477K raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Showing 351 to 375 of 510 companies

About the Clean Energy Startup Ecosystem

The clean energy 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 Clean Energy

Clean Energy 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 clean energy 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.

Clean Energy Funding Breakdown

Here is how funding is distributed among the 510 clean energy companies tracked in the VCBacked database.

Average Funding
$13.4M
Total Funding Tracked
$336.0M
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.London
3 companies$13.0M
2.San Francisco
3 companies$23.7M
3.Woburn
2 companies$84.1M
4.Coimbra
1 companies$11.4M
5.Yokohama
1 companies$7.6M

Related Industries

Companies in the clean energy 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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