All Industries

Top Energy Storage Companies

90 Energy Storage companies, sorted by total funding raised.

Energy Dome

Italian cleantech company developing CO2 Battery long-duration energy storage systems using carbo...

Milan, Italy51–200Clean Tech, Energy Storage
Series B·$60.0M·Apr 2023
Rondo Energy

Rondo Energy makes the Rondo Heat Battery, which converts renewable electricity into continuous z...

Alameda, United StatesClean Energy, Energy Storage
Series B·$60.0M·Jan 2024
Aquion Energy

Developer of saltwater Aqueous Hybrid Ion batteries for grid-scale and off-grid energy storage us...

Pittsburgh, United States51–200Clean Energy, Energy Storage
Series D·$55.0M·Jan 2014
Advanced Microgrid SolutionsAcquired

AI-driven energy storage and microgrid software platform for commercial, industrial, and utility ...

San Francisco, United States51–200Clean Energy, Artificial Intelligence
Series B·$52.0M·Jul 2017
ADA TECHNOLOGIES, INC.

R&D company with 62 SBIR/STTR awards from Department of Defense, Department of Transportation, De...

ENGLEWOOD, United States11–50Electronics Manufacturing, Energy Storage
Grant·$50.0M
SES AIIPO

AI-enhanced lithium-metal battery developer accelerating the energy transition through material d...

Woburn, United States201–500Energy Storage, Clean Energy
Series D·$50.0M·May 2021
Stem

Provides AI-driven software and managed services to optimize solar and battery energy assets for ...

San Francisco, United States501–1000Artificial Intelligence, Clean Energy
Series B·$45.2M·Dec 2013
Gaussion

London-based energy intelligence technology for battery packs.

London, United Kingdom11–50Deep Tech, Energy
Venture Round·$40.0M·Jun 2026
Fourth Power

Develops utility-scale thermal energy storage using liquid metal and TPV to deliver low-cost, lon...

Cambridge, United States1–10Clean Energy, Climate Tech
Series B·$39.0M·Sep 2025
Chemix

Builds AI models and software to design and optimize EV battery chemistry and cell performance fo...

Sunnyvale, United StatesArtificial Intelligence, Clean Tech
Series A·$37.0M·Apr 2024
SolarEdgeIPO

Develops DC-optimized solar inverters and energy-management solutions for residential, commercial...

Herzliya, Israel1001–5000Electric Vehicles, Energy Storage
Venture Round·$37.0M·Oct 2011
Cactos

Battery energy storage system manufacturer and as-a-service provider supporting cleaner energy an...

Kempele, FinlandClean Tech, Energy Storage
Series B·$36.6M·Jan 2025
Natron Energy

Sodium-ion battery producer for critical power and industrial applications

Holland, United States51–200Energy Storage, Clean Technology
Series D·$35.0M·Jul 2020
Relectrify

Australian clean energy startup developing inverterless battery storage technology for commercial...

Melbourne, AustraliaClean Tech, Energy Storage
Grant·$34.5M·Oct 2025
Omnidian

Provides performance assurance and operations for solar and battery storage assets, serving inves...

Seattle, United States201–500Energy Storage, Renewable Energy
Series B·$33.0M·Sep 2021
Anthro Energy

Develops polymer electrolytes and lithium-ion battery cells that improve safety, energy density, ...

San Jose, United States11–50Clean Energy, Energy Storage
Grant·$30.7M·Mar 2025
Euclid Power

Provides an AI-enabled platform and services helping renewable energy developers, investors, and ...

New York, United States51–200Artificial Intelligence, Energy Storage
Series A·$25.2M·Sep 2025
Connexx Systems

Developer of next-generation battery technologies and energy storage systems for stationary and i...

Kyoto, Japan11–50Energy Storage, Clean Tech
Venture Round·$23.6M·Mar 2023
Quidnet Energy

Long-duration energy storage company using subsurface geological reservoirs and hydroelectric tur...

Houston, United States11–50Climate Tech, Energy Storage
Corporate Round·$20.0M·May 2024
Advano

Advano is a battery technology company that improve the longevity of…

New Orleans, United States11–50Climate Tech, Deep Tech
Series A·$18.5M·Jan 2020
Fourier

Builds modular on-site, on-demand hydrogen production systems for industrial and transportation c...

Mountain View, United States11–50Energy, Energy Storage
Series A·$18.5M·Apr 2025
BLUETTI

BLUETTI is a leading green energy solutions company offering innovative renewable energy storage ...

Shenzhen, China1001–5000Energy Storage, Hardware
Equity Crowdfunding·$16.5M·Oct 2022
Voya Energy

Metal fuels company pioneering a new class of carbon-free, energy-dense fuels made from recycled ...

Berkeley, United States1–10Clean Energy, Climate Tech
Seed·$13.0M·Nov 2025
Inlyte Energy

Creating low-cost energy storage from iron and sodium

San Leandro, United States11–50Energy, Clean Energy
Grant·$12.1M·Jul 2025
VFlowTech

Vanadium flow battery energy storage systems for long-duration storage applications.

Singapore, Singapore11–50Clean Energy, Energy Storage
Series A·$10.0M·Feb 2023