11 Best Connecticut Clean Energy Companies and Startups

October 3, 2021

This article showcases our top picks for the best Connecticut based Clean Energy companies. These startups and companies are taking a variety of approaches to innovating the Clean Energy industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

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Top Connecticut Clean Energy Startups

Data sourced from Crunchbase and SemRush.

Precision Combustion

Precision Combustion

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Precision Combustion is a clean energy technology company for developing and manufacturing catalytic reactors & systems.

Noble Environmental Power

Noble Environmental Power

Crunchbase Website Twitter Facebook Linkedin

Noble Environmental Power is a leading renewable energy company.

Noble Environmental Power

Environmental Energy Services

Crunchbase Website Twitter Facebook Linkedin

Environmental Energy Services is a clean energy company utilizing innovative chemistry and engineering.

Noble Environmental Power

Blue Thunder Technologies

Crunchbase Website Twitter Facebook Linkedin

Distributor of Cleanroom Supplies

Noble Environmental Power

Oxford Performance Materials

Crunchbase Website Twitter Facebook Linkedin

OPM is a commercial company delivering fully functional end-use products to the biomedical, aerospace, and industrial markets.

Noble Environmental Power

Upcycle Technologies

Crunchbase Website Twitter Facebook Linkedin

Upcycle Technologies is a developer of an energy conservation technology used to convert carbon-based waste materials into energy.

Noble Environmental Power

New Haven Community Solar

Crunchbase Website Twitter Facebook Linkedin

Clean Cheap Power for Low-Income Housing

Noble Environmental Power

Blue Delta Energy

Crunchbase Website Twitter Facebook Linkedin

Blue Delta offers sustainability, renewable and clean energy solutions for various sectors.

Noble Environmental Power

CT Energy Ratings

Crunchbase Website Twitter Facebook Linkedin

CT Energy Ratings offers its customers with tools to discover, compare, and order residential and commercial electricity services.

Noble Environmental Power

HomeESP

Crunchbase Website Twitter Facebook Linkedin

Membership organization for homeowners

Noble Environmental Power

Platinum Car Wash & Oil

Crunchbase Website Twitter Facebook Linkedin

Platinum Car Wash & Oil is a full-service car wash and oil change company dedicated to helping automobiles run smoothly.

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