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Clean Energy Startups

Updated October 2026

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

Explore 748 recently funded clean energy companies with verified founder contact information and fundraising data.

Total Companies
748
Total Funding
$699.3M
Avg Funding
$28.0M
Global Reach
7
countries

Top Cities for Clean Energy

San Pedro
Montana Mines
Ann Arbor
Otemachi
Vancouver
Darmstadt

Recently Funded Companies

Export
San Pedro, Mexico

Implement and finance sustainable energy projects for C&I clients.

$5.9M raised
May 2024

Founder Contacts

41,000+ verified contacts

Montana Mines, United States

AirJoule Technologies develops a climate-solution technology that harvests the untapped supply of renewable energy.

$15.0M raised
May 2026

Founder Contacts

41,000+ verified contacts

Ann Arbor, United States

Utilidata is a grid technology startup that integrates AI capabilities to enhance data utilization and operational efficiency.

$40.0M raised
May 2026

Founder Contacts

41,000+ verified contacts

Otemachi, Japan

Clean Energy Connect arranges green electricity solutions to help the corporate customers.

$122.2M raised
May 2026

Founder Contacts

41,000+ verified contacts

Vancouver, Canada

LithiumBank is enabling people to invest in the future of clean-tech energy.

$2.8M raised
May 2026

Founder Contacts

41,000+ verified contacts

Darmstadt, Germany

Focused Energy is a fusion energy company developing laser-driven inertial fusion systems for commercial power generation.

$240.0M raised
May 2026

Founder Contacts

41,000+ verified contacts

Oxford, United Kingdom

Caudal Energy develops bio-inspired tidal energy systems delivering predictable, low-impact renewable power from ocean currents.

$5.8M raised
May 2026

Founder Contacts

41,000+ verified contacts

Bridgehampton, United States

Clear Current is an AI-driven platform designed to serve as the "nerve center" for energy operations.

$4.3M raised
May 2025

Founder Contacts

41,000+ verified contacts

Princeton, United States

We make it simple to buy and sell energy in competitive markets (B2B SaaS + Marketplace)

$1.0M raised
May 2022

Founder Contacts

41,000+ verified contacts

Carlsbad, United States

The operating system for advanced battery chemistries

$6.5M raised
May 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Sunverge Energy provides integrated solar solutions for distributed generation and storage.

$2.1M raised
May 2023

Founder Contacts

41,000+ verified contacts

Somerville, United States

Singularity Energy uses real-time carbon data to make better energy decisions.

$4.5M raised
May 2022

Founder Contacts

41,000+ verified contacts

Granada, Spain

Leading the global Net-Zero emissions challenge with a focus on Green Hydrogen developments in aviation and electrified REX mobility.

$1.3M raised
May 2023

Founder Contacts

41,000+ verified contacts

Houston, United States

Altillion develops ALIX-based processes that extract and concentrate lithium and other critical minerals from brine resources.

$5.0M raised
May 2026

Founder Contacts

41,000+ verified contacts

Tucson, United States

SorbiForce is a World`s first non-metal battery, made from renewable raw materials, cost-effective, safe and with zero environmental impact.

$162K raised
May 2026

Founder Contacts

41,000+ verified contacts

Silver Spring, United States

Neighborhood Sun Benefit provides locally produced clean energy without any solar panels to install or upfront fees.

May 2026

Founder Contacts

41,000+ verified contacts

Binghamton, United States

Natrion is developing scalable solid-state electrolytes to enable the mass adoption of EVs.

May 2026

Founder Contacts

41,000+ verified contacts

Somerville, United States

Sublime Systems develops technology to decarbonize cement-making.

May 2025

Founder Contacts

41,000+ verified contacts

New York, United States

Carbon conversion technology bolts onto ANY source of carbon dioxide emissions converts the pollution into clean natural gas StandardRNG

$6.4M raised
May 2025

Founder Contacts

41,000+ verified contacts

Vancouver, Canada

Standard Uranium is an exploration company that seeks fuel to power a clean energy future.

$654K raised
May 2026

Founder Contacts

41,000+ verified contacts

Woburn, United States

Gradiant provides advanced water treatment solutions to tackle critical water challenges for various industries.

May 2026

Founder Contacts

41,000+ verified contacts

Toronto, Canada

Software company that enables intelligent energy in smart cities

$20.0M raised
May 2023

Founder Contacts

41,000+ verified contacts

Washington, United States

Inspiration is the first one-stop EV solutions company to both finance electric vehicles.

$215.0M raised
May 2022

Founder Contacts

41,000+ 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

41,000+ verified contacts

Tucson, United States

Sun Company is a provider of custom-tailored solar energy solutions for residential, commercial, and utility applications.

$350K raised
May 2022

Founder Contacts

41,000+ verified contacts

Showing 251 to 275 of 748 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 748 clean energy companies tracked in the VCBacked database.

Average Funding
$28.0M
Total Funding Tracked
$699.3M
Countries Represented
7

Distribution by Funding Stage

Other25 companies

Top Cities for Clean Energy

1.Vancouver
2 companies$3.5M
2.Somerville
2 companies$4.5M
3.Houston
2 companies$5.3M
4.Tucson
2 companies$512K
5.San Pedro
1 companies$5.9M

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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