All Industries

Top Energy Companies

2,316 Energy companies, sorted by total funding raised.

Substrate

Building America's next-generation semiconductor foundry using advanced X‑ray lithography to redu...

San Francisco, United States51–200Energy, Hardware
SeedTotal funding$100.0MOct 2025
Verdagy

Manufactures dynamic alkaline electrolysis systems for large-scale green hydrogen production, pai...

Moss Landing, United States11–50Clean Tech, Energy
Series BTotal funding$98.0MAug 2023
ReNew Energy Global plcIPO

Global renewable energy company with 18.5 GW portfolio of wind, solar, hybrid, and hydro power as...

Gurugram, India5001–10000Clean Tech, Energy
Corporate RoundTotal funding$95.0MMar 2026
Aurora Labs

Aurora Labs builds LOCI, an execution-intelligence platform that analyzes compiled software behav...

Tokyo, Israel51–200Energy, Artificial Intelligence
Series CTotal funding$94.4MJul 2022
Amperesand

Amperesand builds a solid state transformer platform for AI data centers and critical infrastruct...

Singapore, United States11–50Climate Tech, Energy
Series ATotal funding$92.5MNov 2025
24M Technologies
Energy, Energy Storage
Series G+Total funding$87.0MSep 2024
Newcleo

Newcleo is an innovator in the field of nuclear energy, launched in 2021 with substantial private...

Paris, Italy501–1000Energy
Venture RoundTotal funding$85.0MFeb 2026
Validere

Validere is the enterprise intelligence platform for the energy industry, giving organizations cl...

Toronto, Canada51–200Climate Tech, Energy
Series BTotal funding$85.0MMar 2022
Clean Energy Fuels Corp.IPO

North America's largest provider of natural gas fueling infrastructure and renewable natural gas ...

Newport Beach, United States501–1000Clean Energy, Energy
Corporate RoundTotal funding$83.4MJun 2016
Zesty.ai

Property Risk Analytics Powered by Artificial Intelligence

San Francisco, United States51–200Energy, Analytics
Series BTotal funding$81.0MJul 2022
B8taAcquired

B8ta is a software-powered retailer designed to make physical retail accessible for all.

San Francisco, United States51–200Energy, E-Commerce
Series CTotal funding$80.5MOct 2019
First Light Fusion

UK inertial confinement fusion research company developing clean energy through FLARE fusion appr...

Oxfordshire, United Kingdom51–200Clean Tech, Energy
Venture RoundTotal funding$79.1MApr 2026
Alsym Energy

Alsym Energy develops non-flammable, high-performance, American-made battery alternatives to lith...

Woburn, United StatesEnergy
Series BTotal funding$78.0MApr 2024
Bidgely

Bidgely tells you how much energy your appliances use and crafts personalized recommendations to ...

San Francisco Bay Area, United States51–200Artificial Intelligence, Energy
Venture RoundTotal funding$77.0MSep 2021
Power Exchange India Limited

Power Exchange India Limited (PXIL) is India’s leading power exchange that provides innovative an...

Mumbai, India51–200Energy
Venture RoundTotal funding$76.5M
NextDecadeIPO

LNG development company accelerating the path to a net-zero future.

Houston, United StatesEnergy
ConvertibleTotal funding$74.5MMar 2021
GeologicAI

GeologicAI develops core-scanning technology and AI-powered analytical and modeling solutions for...

Calgary, Canada201–500Energy, SaaS
Series BTotal funding$74.0MJul 2025
Runwi

Smart building operating system that combines IoT hardware, sensors, and AI-driven software to op...

New York, United States11–50Clean Tech, Energy
Series BTotal funding$74.0MJun 2025
Canatu

Canatu creates advanced carbon nanotubes for highly engineered solutions, collaborating with fore...

Tokyo, Finland51–200Energy, Artificial Intelligence
GrantTotal funding$73.0MMar 2026
eSmart Systems

AI-powered software solutions for the inspection and maintenance of critical energy infrastructur...

Halden51–200Artificial Intelligence, Energy
Series CTotal funding$72.0MOct 2024
Exponent EnergyIPO

Builds full-stack battery packs and rapid-charging systems for commercial EVs (autorickshaws to b...

Bengaluru, India51–200E-Commerce, Electric Vehicles
Series BTotal funding$70.5MJun 2026
Cardinal Data Power

Gigawatt-scale data center developer monetizing energy in West Texas and West Virginia.

Texas, United StatesEnergy, Infrastructure
Series ATotal funding$70.0MJul 2026
Prisma Photonics

Prisma Photonics helps keep the most critical large-scale infrastructure up & running with a quan...

Tel Aviv, Israel51–200Energy, Machine Learning
Series DTotal funding$70.0MOct 2025
Avalanche Energy

Developer of compact, mobile fusion reactors providing neutron sources and distributed power for ...

Seattle, United States51–200Clean Energy, Defense Tech
Venture RoundTotal funding$69.0MFeb 2026
Moment Energy

Moment repurposese Electric Vehicle batteries to create Commercial & Industrial, Utility and Micr...

Tokyo, Canada11–50Energy
Series BTotal funding$66.3MMay 2026