All Industries

Top Energy Companies

936 Energy companies, sorted by total funding raised.

Vayyar Imaging

Vayyar creates radar imaging sensors based on unique RF technology to monitor the environment in ...

Tokyo, Israel201–500Energy, Defense Tech
Series E·$318.0M·Jun 2022
CalumetIPO

Calumet Specialty Products manufactures and markets specialty lubricating oils, white oils, solve...

Indianapolis, United States1001–5000Energy, Manufacturing
Convertible·$300.0M·Dec 2021
HeliogenAcquired

Concentrated solar power company enabling carbon-free industrial heat and green hydrogen.

Pasadena, United States11–50Climate Tech, Energy
Series B·$259.0M·Nov 2024
ZolarMerged

AI-first platform connecting homeowners and installers to design, buy, and manage residential sol...

Berlin, Germany11–50Clean Energy, Climate Tech
Growth Equity·$254.2M·Apr 2024
MGE EnergyIPO

Public utility holding company headquartered in Madison, Wisconsin, parent of regulated utility M...

Madison, United States1001–5000Energy, utilities
Corporate Round·$250.0M·May 2026
Mora Energy

Focused on developing and acquiring critical energy infrastructure

Dallas, United States1–10Climate Tech, Energy
Growth Equity·$250.0M·Apr 2025
Kpler

Kpler powers decisions that move the world, connecting billions of data points to uncover opportu...

Brussels, Belgium501–1000Fintech, SaaS
Growth Equity·$246.0M·Apr 2022
HoloSolis

Solar energy technology company.

Sarreguemines, France11–50Climate Tech, Energy
Venture Round·$245.0M·Nov 2025
CubicPV Inc. (1366 Technologies)Acquired

Solar technology company developing high-efficiency silicon wafers to reduce the cost of solar en...

Bedford, United States51–200Clean Tech, Energy
Growth Equity·$208.8M·Jun 2023
Hydrostor

Hydrostor develops and operates long-duration energy storage systems using Advanced Compressed Ai...

Toronto, Canada51–200Energy
Venture Round·$200.0M·Feb 2025
Wing Resources

Focused on acquiring mineral and royalty interests

Dallas, United States1–10Energy
Growth Equity·$200.0M·Apr 2025
PowerXAcquired

AI powered sensors that save energy, water and emissions

New York, United States11–50Climate Tech, Energy
Series C·$182.8M·Mar 2025
Standard Nuclear

Manufacturer of TRISO nuclear fuel for advanced reactors, supplying utilities and reactor develop...

Oak Ridge, United States11–50Clean Energy, Nuclear Energy
Series A·$182.0M·Jan 2026
NoTraffic

NoTraffic is a plug & play turnkey solution for managing traffic using AI & Real-time optimization.

Tokyo, Israel51–200Energy, Artificial Intelligence
Series C·$178.7M·Mar 2026
Enter

Enter helps large companies use AI to boost legal efficiency and win more cases.

Berlin, Germany51–200Clean Tech, Energy
Series B·$177.8M·May 2026
Tibber

Digital energy company using an app and smart technology to sell renewable electricity and optimi...

Førde, Norway201–500Clean Tech, Energy
Series C·$177.0M·Jun 2022
Marvel Fusion

Munich-based fusion energy company developing laser-driven inertial fusion power plants for indus...

Munich, Germany51–200Deep Tech, Energy
Series B·$172.8M·Mar 2025
SparkCognition

Empowering the world’s problem-solvers and catalyzing growth with their proven artificial intelli...

San Francisco, United States201–500Energy, Artificial Intelligence
Series C·$162.5M·Oct 2019
Thea Energy

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

Kearny, United States51–200Clean Energy, Energy
Series B·$160.0M·May 2026
WRC Energy

Independent producer and provider of oil and gas resources and exploration services

Denver, United StatesEnergy
Venture Round·$160.0M
Zanskar

AI-native geothermal company that uses subsurface data and geoscience to find and develop utility...

Salt Lake City, United States51–200Artificial Intelligence, Clean Tech
Series C·$157.0M·Jan 2026
Bloom EnergyIPO

Solid oxide fuel cell technology and products for distributed electricity and hydrogen generation

San Jose, United States1001–5000Clean Energy, Climate Tech
Venture Round·$150.0M·Sep 2011
Mangrove Lithium

Develops electrochemical lithium refining technology to produce battery-grade lithium for produce...

Delta, Canada11–50Advanced Materials, Clean Tech
Growth Equity·$148.7M·Jan 2026
ZutaCore

Zuta-Core develops a vacuum-based cooling device for electronic components.

Tokyo, Israel51–200Deep Tech, Energy
Series C·$148.0M·Jun 2026
Built AI

Intelligent screening and prospecting for commercial real estate

San Francisco Bay Area, United Kingdom201–500Energy, Fintech
Seed·$146.0M·Dec 2025