All Industries

Top Energy Storage Companies

360 Energy Storage companies, sorted by total funding raised.

Cling Systems

Stockholm-based broker that helps businesses sell surplus, used, and end-of-life lithium-ion batt...

Stockholm, SwedenEnergy Storage
BridgeTotal funding$2.3MDec 2023
Valgotech LLC

R&D company with 5 SBIR/STTR awards from Department of Defense, National Science Foundation.

Fishers, United States1–10Energy, Energy Storage
GrantTotal funding$2.2MJun 2024
Adena Power, LLC

R&D company with 3 SBIR/STTR awards from Department of Defense, Department of Energy.

Lewis Center, United States1–10Energy Storage, Clean Tech
GrantTotal funding$2.1MJun 2025
Cuberg, Inc.

R&D company with 5 SBIR/STTR awards from Department of Defense, Department of Energy, National Sc...

San Leandro, United States1001–5000Aerospace, Automotive
GrantTotal funding$2.0MJul 2020
CONOVATE INC

R&D company with 5 SBIR/STTR awards from National Science Foundation, Department of Agriculture, ...

WAUWATOSA, United States1–10Energy Storage, Nanotechnology
GrantTotal funding$2.0MSep 2022
Volt Harbor

an Ann Arbor, MI-based provider of software-defined energy storage systems

Ann Arbor, United States1–10Energy Storage
SeedTotal funding$2.0MMay 2026
Vista Power

Batteries and solar for $0 upfront to help businesses save money

San Francisco, United States1–10Energy Storage, Industrials
Venture RoundTotal funding$2.0M
AMPRIUS TECHNOLOGIES, INC.

R&D company with 1 SBIR/STTR awards from Department of Defense.

Fremont, United States51–200Climate Tech, Energy Storage
GrantTotal funding$1.9MJul 2024
NuvolaAcquired

10x power coin batteries for reliable connectivity on IoT trackers

Los Angeles, United States1–10Climate Tech, Energy Storage
SeedTotal funding$1.8MJun 2017
SYLVATEX, INC.

R&D company with 4 SBIR/STTR awards from Department of Energy, National Science Foundation.

Alameda, United States1–10Advanced Materials, Energy Storage
GrantTotal funding$1.8MAug 2022
Joule Case

Joule Case builds advanced power solutions for mobile businesses and expanding enterprises, inven...

Seattle, United StatesClean Energy, Clean Tech
Equity CrowdfundingTotal funding$1.6MMay 2022
SOELECT INC

R&D company with 2 SBIR/STTR awards from Department of Defense.

Greensboro, United States11–50Energy Storage, Electric Vehicles
GrantTotal funding$1.5MJun 2025
Capacitech Energy

Capacitech is a leader in high-power, space-efficient energy storage solutions. Our flexible Powe...

Orlando, United States1–10Sustainability, Clean Tech
GrantTotal funding$1.4MSep 2022
Higherwire

Your number one source for lithium battery sales and service

Phoenix, United States1–10Energy, Clean Tech
GrantTotal funding$1.3MJun 2024
ANOVION LLC

R&D company with 2 SBIR/STTR awards from Department of Defense.

Northfield, United States11–50Energy Storage, Manufacturing
GrantTotal funding$1.2MJul 2024
NATRION INC

R&D company with 5 SBIR/STTR awards from Department of Defense.

Champaign, United States11–50Energy Storage, Clean Energy
GrantTotal funding$1.2MSep 2024
UNIGRID INC.

R&D company with 3 SBIR/STTR awards from Department of Energy, National Science Foundation.

San Diego, United States1–10Energy Storage, Sustainability
GrantTotal funding$1.2MMar 2024
Ion Storage Systems

Develops anodeless solid-state batteries for consumer electronics, electric vehicles, aerospace, ...

College Park, United States51–200Advanced Manufacturing, Clean Energy
GrantTotal funding$1.1MSep 2024
MICROERA POWER, INC.

R&D company with 2 SBIR/STTR awards from Department of Energy.

Rochester, United States11–50Clean Energy, Clean Tech
GrantTotal funding$1.1MAug 2023
BTRY

Industrial thin-film solid-state battery developer; ultra-compact format with fast charging.

SwitzerlandEnergy, Energy Storage
Pre-seedTotal funding$1.1MJan 2024
ESS Tech, Inc.

R&D company with 2 SBIR/STTR awards from Department of Defense, Department of Energy.

Wilsonville, United States51–200Hardware, Energy
GrantTotal funding$1.1MJun 2015
Titan Advanced Energy Solutions, Inc.

R&D company with 2 SBIR/STTR awards from Department of Energy.

Salem, United States11–50Automotive, Hardware
GrantTotal funding$1.1MAug 2021
ADVANCED SILICON GROUP, INC.

R&D company with 7 SBIR/STTR awards from Department of Defense, Department of Commerce, National ...

Lincoln, United States1–10Energy Storage, Nanotechnology
GrantTotal funding$1.0MOct 2025
NEXTGEN BATTERY TECHNOLOGIES, LLC

R&D company with 5 SBIR/STTR awards from National Science Foundation, National Aeronautics and Sp...

Dublin, United States1–10Energy Storage, Electric Vehicles
GrantTotal funding$1.0MMar 2022
OCTET SCIENTIFIC INC

R&D company with 4 SBIR/STTR awards from Department of Defense, National Science Foundation.

Cleveland, United States1–10Energy Storage, Advanced Materials
GrantTotal funding$1.0MAug 2022