All Industries

Top Energy Storage Companies

360 Energy Storage companies, sorted by total funding raised.

OneD Battery Sciences

OneD Battery Sciences develops SINANODE silicon nanowire anode technology that boosts EV battery ...

Palo Alto, United States11–50Clean Tech, Electric Vehicles
Series CTotal funding$135.0MJun 2023
FlexGen
Energy, Energy Storage
Series CTotal funding$125.5MJul 2022
Moxion Power Co.Closed

Moxion Power manufactures the MP-75 intelligent mobile battery in the USA and supplies clean ener...

Richmond, United States201–500Climate Tech, Electric Vehicles
Venture RoundTotal funding$123.3MJun 2023
Omnidian

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

Seattle, United States201–500Energy Storage, Renewable Energy
Series CTotal funding$120.0MApr 2025
Prometheus

Prometheus Fuels converts electricity into carbon-neutral diesel, jet fuel, and methanol using di...

Santa Cruz, United States11–50Climate Tech, Energy Storage
Venture RoundTotal funding$112.5MJun 2025
Primus Power

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

Hayward, United States51–200Clean Energy, Energy Storage
Series ETotal funding$92.0MMar 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 FTotal funding$88.2MApr 2016
24M Technologies
Energy, Energy Storage
Series G+Total funding$87.0MSep 2024
Rondo Energy

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

Alameda, United States51–200Clean Energy, Energy Storage
Series BTotal funding$82.0MJan 2024
Hydrogenious

Liquid organic hydrogen carrier (LOHC) technology

Clean Energy, Climate Tech
Venture RoundTotal funding$78.1MFeb 2025
Malta

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

Cambridge, United States51–200Climate Tech, Energy Storage
Series ATotal funding$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 RoundTotal funding$75.0MOct 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 BTotal funding$70.5MJun 2026
CustomCellsAcquired

Develops and industrializes premium battery cells and cell technology for automotive, aviation, m...

Itzehoe, Germany51–200Energy, Energy Storage
Series ATotal funding$60.0MDec 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 BTotal funding$52.0MJul 2017
ADA TECHNOLOGIES, INC.

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

Englewood, United States11–50Advanced Materials, Energy Storage
GrantTotal funding$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 DTotal funding$50.0MMay 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 BTotal funding$45.2MDec 2013
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 BTotal funding$40.4MSep 2025
Gaussion

London-based energy intelligence technology for battery packs.

London, United Kingdom11–50Deep Tech, Energy
Venture RoundTotal funding$40.0MJun 2026
Chemix

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

Sunnyvale, United StatesArtificial Intelligence, Clean Tech
Series ATotal funding$37.0MApr 2024
SolarEdgeIPO

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

Herzliya, Israel1001–5000Electric Vehicles, Energy Storage
Venture RoundTotal funding$37.0MOct 2011
Cactos

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

Kempele, FinlandClean Tech, Energy Storage
Series BTotal funding$36.6MJan 2025
Natron Energy

Sodium-ion battery producer for critical power and industrial applications

Holland, United States51–200Clean Tech, Climate Tech
Series DTotal funding$35.0MJul 2020
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
Series ATotal funding$35.0MAug 2026