All Industries

Top Energy Companies

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

LanzaTechIPO

Transforms industrial carbon-rich gases into sustainable fuels and chemicals for industrial partn...

SKOKIE, United States201–500Climate Tech, Energy
Corporate RoundTotal funding$683.0MMay 2025
Rigup

Source-to-pay platform for energy companies, combining software and services to manage vendors, w...

Austin, United States501–1000Energy, HR Tech
Series ETotal funding$678.6MMay 2021
Antares Industries

Antares Nuclear builds factory-produced fission microreactors that supply 100kWe to 1MWe of strat...

Los Angeles, United States51–200Defense Tech, Energy
Series CTotal funding$675.0MJul 2026
Aspen Power

Solar developer that provides landowners and businesses guaranteed long-term lease payments to ho...

Clean Energy, Energy
Venture RoundTotal funding$670.0MJan 2026
Mainspring Energy

Developer of linear generator technology providing flexible, fuel-agnostic onsite power generatio...

Menlo Park, United States51–200Energy, Climate Tech
Series FTotal funding$643.0MApr 2025
Electric Hydrogen

Manufacturer of high-power PEM electrolyzers that produce the lowest-cost green hydrogen for indu...

Devens, United States201–500Climate Tech, Energy
Series CTotal funding$602.0MOct 2023
Workrise

Source-to-pay platform and staffing vendor network that helps energy companies find, onboard, and...

Austin, United States501–1000Energy, HR Tech
Series ETotal funding$600.0MMay 2021
ABB E-Mobility

EV charging solutions provider powering CPOs, public transit systems, logistics fleets, and retai...

Zurich, Switzerland1001–5000Climate Tech, Automation
Venture RoundTotal funding$567.0MFeb 2023
General Matter

General Matter develops scalable, cost-competitive uranium enrichment technology to strengthen do...

San Francisco, United States1–10Energy, Infrastructure
Venture RoundTotal funding$550.0MMar 2026
FLO

EV charging network and station provider for home, commercial, and fleet use across North America.

Montreal, Canada201–500Electric Vehicles, Energy
Series ETotal funding$536.0MJun 2024
Fever

Fever provides energy companies an operating system to connect distributed assets, run portfolios...

Madrid, Spain1001–5000Energy, Entertainment
Series FTotal funding$515.3MJun 2025
Motor Fuel

Consumer, retail & services in Europe

London, United Kingdom1001–5000Energy, Retail
Private EquityTotal funding$500.0MJun 2018
PhysicsX

PhysicsX develops AI-native engineering software that helps industrial organizations accelerate s...

London, United Kingdom51–200Artificial Intelligence, Automotive
Series CTotal funding$484.0MJun 2026
ChargePointIPO

ChargePoint provides hardware, intelligent software, and services that help organizations, fleets...

Campbell, United States1001–5000Automotive, Clean Tech
Extension RoundTotal funding$471.6MAug 2020
HIF Global

World-leading e-Fuels company that operates a groundbreaking production facility in Chile, HIF Ha...

Energy
Venture RoundTotal funding$460.0MAug 2024
Ovo Energy

UK energy supplier providing electricity and gas to over 3.5 million homes, based in Bristol.

Bristol, United Kingdom1001–5000Energy
Series DTotal funding$458.0MJul 2023
Innoviz TechnologiesIPO

Innoviz develops technologies for autonomous driving that includes smart 3D sensing, sensor fusio...

Tokyo, United States201–500Defense Tech, E-Commerce
Corporate RoundTotal funding$444.0MDec 2020
Legence Corp.IPO

Legence is a building performance company delivering engineering, energy efficiency, and maintena...

Chicago, United States1001–5000Architecture & Engineering, E-Commerce
Private EquityTotal funding$444.0MJan 2020
Arcadia

Arcadia is a climate tech company providing advanced utility data platforms and AI-driven energy ...

Washington, United States501–1000Clean Energy, Data & Analytics
Series ETotal funding$435.5MApr 2024
Blockdaemon

Blockdaemon is the provider of a blockchain nodes as a service platform designed to empower busin...

San Francisco, United States51–200Crypto & Web3, Developer Tools
Series CTotal funding$430.0MJan 2022
Hydrostor

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

Toronto, Canada51–200Energy
Growth EquityTotal funding$430.0MAug 2026
SunPowerIPO

SunPower delivers all-in-one residential solar solutions, pairing panels and energy storage with ...

Orem, United States501–1000Clean Energy, Climate Tech
Venture RoundTotal funding$419.0MApr 2026
WaterBridge Infrastructure LLCIPO

Largest pure-play integrated water infrastructure company operating predominantly in the Delaware...

Houston, United States201–500Energy
Growth EquityTotal funding$400.0MJun 2018
Mariana Minerals

Mariana Minerals develops and operates software-first critical-minerals projects, supplying mater...

Houston, United States51–200Artificial Intelligence, Defense Tech
Series BTotal funding$395.0MAug 2026
Koloma

Data-driven natural hydrogen exploration company that identifies and produces low-carbon hydrogen...

Denver, United States51–200Climate Tech, Energy
Extension RoundTotal funding$386.7MOct 2024