All Industries

Top Renewable Energy Companies

1,072 Renewable Energy companies, sorted by total funding raised.

SunfoldingClosed

Sunfolding designed and manufactured solar tracking systems for power plants, using fewer compone...

San Francisco, United States11–50Climate Tech, Industrials
SeedTotal funding$35.0MDec 2022
Relectrify

Relectrify develops the CellSwitch platform for distributed battery management and cell-level bat...

Melbourne, AustraliaClean Tech, Energy Storage
GrantTotal funding$34.5MOct 2025
Aerem

India's only end-to-end renewable energy platform, helping businesses and EPCs move from their fi...

Mumbai, India51–200Climate Tech, Fintech
Venture RoundTotal funding$34.5MJan 2026
AIRLOOM ENERGY, INC.

R&D company with 1 SBIR/STTR awards from Department of Defense.

LARAMIE, United States1–10Clean Energy, Energy
SeedTotal funding$31.7MOct 2024
VoltStorage

An electric storage device for clean solar power

Munich, Germany51–200Energy Storage, Clean Energy
Series CTotal funding$31.3MJul 2022
Natel Energy

Natel Energy designs patented FishSafe turbine runners that fit directly into existing civil work...

Energy, Renewable Energy
Corporate RoundTotal funding$31.0MApr 2023
Apricus Generation
Renewable Energy
Growth EquityTotal funding$30.0MMar 2025
OMC Power

Indian renewable energy company that has built and operates over 500 clean-energy plants supplyin...

Gurugram, IndiaEnergy, Oil & Gas
Corporate RoundTotal funding$29.4MMar 2026
Solus Power
United KingdomEnergy Storage, Renewable Energy
Growth EquityTotal funding$28.0MJun 2024
AMERICAN LITHIUM ENERGY CORP.

R&D company with 9 SBIR/STTR awards from Department of Defense, Department of Energy.

Carlsbad, United States11–50Aerospace, Electric Vehicles
GrantTotal funding$27.6MMay 2025
Euclid Power

Provides an AI-enabled platform and services helping renewable energy developers, investors, and ...

New York, United States51–200Artificial Intelligence, Energy Storage
Series ATotal funding$25.2MSep 2025
Nextpower Inc.IPO

Integrated utility-scale solar infrastructure provider delivering trackers, eBOS, software, and r...

Fremont, United States5001–10000Climate Tech, Manufacturing
Series BTotal funding$25.0MFeb 2015
Spruce Finance

Residential solar finance company offering leases and power purchase agreements; rebranded as Spr...

United States51–200Clean Energy, Financial Services
Series ATotal funding$25.0MJun 2017
Node Energy

SaaS platform enabling renewable energy plant operators and businesses to manage commercial opera...

Frankfurt, Germany51–200Clean Tech, Energy
Series BTotal funding$24.9MApr 2025
Resynergi
Renewable Energy, Sustainability
Extension RoundTotal funding$24.4MFeb 2025
Nano Terra, Inc.

R&D company with 35 SBIR/STTR awards from Department of Defense, Department of Homeland Security,...

Cambridge, United States11–50Biotech, Nanotechnology
Venture RoundTotal funding$24.4MOct 2014
NovoHydrogen

NovoHydrogen provides green-hydrogen solutions for large industrial, transportation, and power-se...

Financial Services, Oil & Gas
Series ATotal funding$23.5MOct 2023
Frequenz

Enterprise platform using ML to manage, store, and trade distributed energy resources for corpora...

Berlin, Germany11–50Clean Tech, Energy
Extension RoundTotal funding$23.0MNov 2024
EMRGY INC

R&D company with 7 SBIR/STTR awards from Department of Energy.

Atlanta, United States11–50Energy, Sustainability
GrantTotal funding$22.8MAug 2023
eSolar

Large utility-scale solar power plants developer

Burbank, United StatesEnergy, Climate Tech
Series CTotal funding$22.0MSep 2013
Remi

Simplifying roofing for homeowners, roofers and enterprises.

Lehi, United States51–200Climate Tech, Construction
Series ATotal funding$21.0MJul 2024
Bye Aerospace
Aerospace, Industrials
Series BTotal funding$19.6MNov 2021
Fourier

Builds modular on-site, on-demand hydrogen production systems for industrial and transportation c...

Mountain View, United States11–50Energy, Energy Storage
Series ATotal funding$18.5MApr 2025
Konexa
Energy, Renewable Energy
Venture RoundTotal funding$18.0M
Stride

Vietnam-based rooftop solar financing platform

Ho Chi Minh City, VietnamRenewable Energy, Fintech
Series BTotal funding$17.0MMay 2026