All Industries

Top Energy Companies

936 Energy companies, sorted by total funding raised.

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 Round·$83.4M·Jun 2016
AP
Arcadia Power

Clean energy platform helping businesses access affordable clean energy via utility data and comm...

Washington, United StatesClean Energy, Climate Technology
Extension Round·$82.0M·Dec 2020
Zesty.ai

Property Risk Analytics Powered by Artificial Intelligence

San Francisco, United States51–200Energy, Analytics
Series B·$81.0M·Jul 2022
Ekona Power

Cleantech startup developing methane pyrolysis technology to produce low-cost clean hydrogen and ...

Burnaby, CanadaClean Tech, Energy
Venture Round·$79.0M·Feb 2022
Alsym Energy

Alsym Energy develops safer, more affordable, and environmentally friendly batteries.

Woburn, United StatesEnergy
Series B·$78.0M·Apr 2024
Gridcure

Predictive analytics SaaS platform for electric utilities, applying machine learning to smart gri...

Boulder, United States1–10Energy, SaaS
Series A·$77.5M·May 2026
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 Round·$77.0M·Sep 2021
Power Exchange India Limited

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

Mumbai, India51–200Energy, Power Exchange
Venture Round·$76.5M
B8taAcquired

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

San Francisco, United States51–200Energy, E-Commerce
Series C·$76.0M·Oct 2019
CH
Cognite Holding AS

Industrial AI and data operations platform helping energy and manufacturing companies scale digit...

Oslo, Norway501–1000Artificial Intelligence, Energy
Series A·$75.0M·Oct 2020
Smart Wires

Smart Wires provides grid-enhancing power flow control technology and software that helps electri...

Research Triangle Park, United States51–200Clean Tech, Energy
Venture Round·$75.0M·Dec 2019
Runwi

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

New York, United States11–50Clean Tech, Energy
Series B·$74.0M·Jun 2025
Canatu

Producer of flexible, stretchable, formable and transparent thin film electronics components usin...

Tokyo, Finland51–200Energy, Artificial Intelligence
Grant·$73.0M·Mar 2026
Gecko Robotics

AI + Robotics for the Built World

Pittsburgh, United States201–500Artificial Intelligence, Data & Analytics
Series C·$73.0M·Mar 2022
eSmart Systems

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

Halden51–200Artificial Intelligence, Energy
Series C·$72.0M·Oct 2024
PG
Power Grid in Space

Space-based satellite power distribution network for Earth energy applications.

Jacksonville, United States11–50Energy, Space Tech
Venture Round·$70.0M·May 2026
Avalanche Energy

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

Seattle, United States51–200Clean Energy, Defense Tech
Venture Round·$69.0M·Feb 2026
Claros

Builds hardware and software that optimize power delivery for data centers and AI infrastructure ...

McLean, United States11–50Energy, Data Center Infrastructure
Seed·$67.7M·Mar 2026
Nira Energy

Software to find the best sites for renewables on the electrical grid

Denver, United States11–50Climate Tech, Energy
Seed·$65.5M·May 2025
Pioneer TransformersAcquired

Designs and manufactures custom liquid-filled power transformers up to 25 MVA for utilities, indu...

Granby, Canada201–500Energy, Manufacturing
Private Equity·$65.5M·Jul 2019
OhmconnectAcquired

Provider of a real-time energy monitoring platform designed to increase energy efficiency. The co...

San Francisco, United States51–200Energy
Series D·$63.5M·Jun 2022
NuScale Power CorporationIPO

Publicly traded American company designing and marketing small modular reactors (SMRs), headquart...

Tigard, United States201–500Energy, Manufacturing
Series C·$62.6M·Jul 2021
CustomCellsAcquired

Develops and industrializes premium battery cells and cell technology for automotive, aviation, m...

Itzehoe, Germany51–200Energy, Energy Storage
Series A·$60.0M·Dec 2022
Verse

Energy infrastructure platform accelerating data center power connections for the AI economy.

San Francisco, United States51–200Artificial Intelligence, Energy
Series B·$59.8M·Jun 2026
BriqScore

Predict Oil & Gas Production Activity Using AI and Satellites.

San Francisco, United States1–10Artificial Intelligence, Data & Analytics
Seed·$59.0M·May 2026