All Industries

Top Clean Energy Companies

201 Clean Energy companies, sorted by total funding raised.

Angaza

Financing solutions for life-changing devices

San Francisco, United States51–200Clean Tech, Fintech
Series B·$29.5M·Oct 2020
UbitricityAcquired

Ubitricity is a leading provider of public EV charging solutions, turning lampposts into charge p...

London, United KingdomClean Energy, Electric Vehicles
Series C·$26.4M·Mar 2019
Talus Renewables

Renewable energy infrastructure company building distributed clean energy assets.

New York, United States11–50Clean Energy, Climate Tech
Series A·$22.0M·May 2024
AtmosZero

Colorado-based industrial decarbonization company replacing fossil-fueled boilers with electric h...

Fort Collins, United States11–50Clean Energy, Climate Tech
Series A·$21.0M·Feb 2024
Thea Energy

Develops planar‑coil stellarator fusion systems delivering scalable, zero-emission power using ma...

Kearny, United States51–200Clean Energy, Energy
Series A·$20.0M·Feb 2024
Cooledge Lighting

Manufacturer of flexible LED lighting panels for general illumination using solid-state lighting ...

Richmond, Canada11–50Hardware, Clean Energy
Series B·$16.2M
HeatTransformers

HeatTransformers is a Dutch platform connecting consumers, heat pump producers, and installers to...

Utrecht, Netherlands11–50Clean Energy, Climate Tech
Series A·$16.1M·Apr 2023
OoluAcquired

Oolu is one of the fastest growing off-grid solar firms in West Africa

Dakar, Senegal201–500Climate Tech, Industrials
Series B·$14.9M·Dec 2020
Magma

Integrated industrial solutions provider offering raw-material sourcing, clean energy, waste recy...

Ahmedabad, India11–50B2B manufacturing, Industrial operations
Series A·$13.0M·Dec 2025
Inlyte Energy

Creating low-cost energy storage from iron and sodium

San Leandro, United States11–50Energy, Clean Energy
Grant·$12.1M·Jul 2025
Lumen Energy

Commercial clean energy platform enabling property owners to evaluate, finance, and deploy solar ...

San Francisco, United States11–50Clean Energy, Climate Tech
Venture Unknown·$11.0M·Sep 2023
T
Transaera

MIT spinout developing ultra-efficient air conditioning systems using novel materials to reduce e...

Boston, United States1–10Clean Energy, Climate Tech
Seed·$10.5M·Oct 2024
Granular Energy

Provides SaaS platform for utilities and energy buyers to manage and trade hourly Energy Attribut...

Paris, France11–50Clean Energy, SaaS
Seed·$10.2M·Oct 2023
Synop

Building the backbone of commercial EVs.

San Francisco, United States11–50Mobility, Clean Energy
Seed·$10.1M·Jun 2022
VFlowTech

Vanadium flow battery energy storage systems for long-duration storage applications.

Singapore, SingaporeClean Energy, Energy Storage
Series A·$10.0M·Feb 2023
Enchanted Rock

Provider of electrical resiliency-as-a-service using modular dual-purpose microgrids for commerci...

Houston, United States201–500Clean Energy, Microgrids
Series A·$10.0M·Feb 2017
ElectricFish

Distributed energy storage for EV charging, and grid-scale energy backup.

Fremont, United States11–50Clean Tech, Manufacturing
Grant·$8.3M·Apr 2023
Boundary Layer

Builds high-speed zero-emission container ships using advanced electric hydrofoil technology.

Alameda, United StatesClean Energy, Maritime
Series A·$7.1M·Jun 2022
Rensair

Provides smart commercial air purifiers using HEPA, VOC filtration, and UVC light for clean indoo...

London, United Kingdom11–50Clean Energy, Hardware
Series A·$7.0M·May 2022
ChargeUp

Electric vehicle charging infrastructure and battery swapping network in India.

Delhi, India51–200Clean Energy, Electric Vehicles
Series A·$7.0M·Nov 2022
Pranos Fusion

Deep-tech startup developing compact fusion reactor technology for clean energy

Bengaluru, India11–50Clean Energy, Deep Tech
Seed·$6.8M·Mar 2026
Nextron Energia

Energy-as-a-service clean-tech platform for renewable energy in Brazil.

São Paulo, Brazil51–200Clean Tech, Energy
Series A·$6.0M·Mar 2024
Active Surfaces

Flexible solar panel manufacturer for building-integrated photovoltaics.

Woburn, United States1–10Clean Energy, Renewable Energy
Pre-seed·$5.6M·May 2024
Ecoil

Clean energy startup.

Pune, United States11–50Clean Energy, Climate Tech
Venture Unknown·$5.5M·Apr 2026
Oxylus Energy

Oxylus is an e-methanol company working on CO2 electrolysis.

New Haven, United States1–10Energy, Carbon Capture
Seed·$4.5M·Sep 2024