All Industries

Top Energy Storage Companies

112 Energy Storage companies, sorted by total funding raised.

Prometheus

We use solar and wind power to make zero net carbon electrofuels

Santa Cruz, United States11–50Climate Tech, Energy Storage
Venture Round·$112.5M·Jun 2025
Primus Power

developing grid-scale flow batteries that can be sized to stabilize renewables

Hayward, United States51–200Clean Energy, Energy Storage
Series E·$92.0M·Mar 2017
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 F·$88.2M·Apr 2016
Rondo Energy

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

Alameda, United StatesClean Energy, Energy Storage
Series B·$82.0M·Jan 2024
N
Nexeon

Active Honda Xcelerator portfolio company

Abingdon, United KingdomElectric Vehicles, Energy Storage
Venture Round·$80.0M
Malta

Google X spinout developing utility-scale long-duration energy storage using molten salt heat pum...

Cambridge, United States51–200Climate Tech, Energy Storage
Series A·$76.0M
Daylight Energy

Decentralized home energy company that installs solar and battery systems with $0 upfront cost, h...

New York, United States1–10Clean Energy, Climate Tech
Venture Round·$75.0M·Oct 2024
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·$70.5M·Jun 2026
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
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
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
VFlowTech

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

Singapore, Singapore11–50Clean Energy, Energy Storage
Venture Round·$30.5M·May 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
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