All Industries

Top Energy Companies

936 Energy companies, sorted by total funding raised.

SolarSquare

Designs and installs rooftop solar systems for homes, housing societies, and businesses across In...

Mumbai, India1001–5000Renewable Energy, Solar Energy
Series C·$134.8M·Jun 2026
UrbintAcquired

AI platform helping utilities prevent infrastructure damage, improve worker safety, and respond t...

New York, United States51–200Artificial Intelligence, Energy
Growth Equity·$130.0M·Oct 2024
Tokamak Energy

Fusion energy startup developing compact tokamak reactors and high-temperature superconducting ma...

Abingdon, United Kingdom201–500Deep Tech, Energy
Venture Round·$125.0M·Nov 2024
Moxion Power Co.Closed

Mobile Energy Storage Technology

Richmond, United States201–500Climate Tech, Electric Vehicles
Venture Round·$123.3M·Jun 2023
Flexiv Robotics

Flexiv is a global leading robotics and AI company, focusing on developing and manufacturing adap...

San Francisco, United States51–200Energy
Series C·$122.0M·Jun 2025
New Era Energy & DigitalIPO

Developer and operator of next-generation digital infrastructure and integrated power assets for ...

Midland, United States1–10Energy, infrastructure
Venture Round·$115.0M·Apr 2026
Enechain

Online energy trading platform connecting buyers and sellers.

Tokyo, Japan51–200Energy, Fintech
Venture Round·$113.9M·Apr 2026
Veir

MIT startup to watch in 2026.

Woburn, United States11–50Clean Tech, Energy
Series B·$111.9M·Jan 2025
Element Energy

Battery management and energy storage technology company.

Menlo Park, United States11–50Climate Tech, Energy
Series B·$111.0M·Nov 2023
Insight M

High-frequency aerial methane detection and emissions management for oil and gas operators.

Sunnyville, United States51–200Energy, Environmental Services
Series E·$110.4M·Jun 2025
Antares Industries

Making energy abundant from Earth to the asteroid belt

Los Angeles, United States51–200Defense Tech, Energy
Series B·$109.0M·Dec 2025
Neara

Power grid simulation and energy infrastructure modeling platform.

Sydney, Australia51–200Energy, SaaS
Series D·$105.3M·Feb 2026
Comstock ResourcesIPO

Comstock Resources is a leading independent natural gas producer focused on developing the Haynes...

Frisco, United States501–1000Energy
Private Equity·$100.5M·Mar 2024
Aalo Atomics

Builds mass-manufactured modular nuclear plants to power data centers and cities.

Austin, United States51–200Energy, Hardware
Series B·$100.0M·Aug 2025
Aspen Energy Partners

Invests in small- to mid-cap oilfield services and technology companies

Arvada, United StatesEnergy, Oil & Gas
Seed·$100.0M·Jan 2016
Substrate

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

San Francisco, United States51–200Energy, Manufacturing
Seed·$100.0M·Oct 2025
WR
Wing Resources VIII,

Mineral and royalty acquisition firm focused exclusively on the Permian Basin, backed by $100 mil...

Dallas, United States1–10Energy
Private Equity·$100.0M·Apr 2025
Verdagy

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

Moss Landing, United States11–50Clean Tech, Green Hydrogen
Series B·$98.0M·Aug 2023
Aurora Labs

Self-Healing Software for Connected Cars

Tokyo, Israel51–200Energy, Artificial Intelligence
Series C·$94.4M·Jul 2022
Exponent EnergyIPO

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

Bengaluru, India51–200E-Commerce, Electric Vehicles
Series B·$91.6M·Jun 2026
Eavor

Next-generation geothermal energy company developing the Eavor-Loop closed-loop system for scalab...

Calgary, Canada51–200Clean Tech, Energy
Series B·$90.0M·Oct 2023
Infogrid

AI-powered building intelligence platform using IoT sensors to help facilities managers and real ...

London, United KingdomEnergy, IoT
Series B·$90.0M·Apr 2023
Mariana Minerals

Software-first, vertically integrated minerals company supplying critical minerals for energy, AI...

Houston, United States51–200Artificial Intelligence, Defense Tech
Series A·$85.0M·Jul 2025
Newcleo

Advanced nuclear energy company developing lead-cooled fast reactors.

Paris, Italy501–1000Energy
Venture Round·$85.0M·Feb 2026
Validere

A carbon MRV solution for energy and hard-to-abate sectors

Toronto, Canada51–200Climate Tech, Energy
Series B·$85.0M·Mar 2022