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Top Energy Storage Companies

360 Energy Storage companies, sorted by total funding raised.

360

Companies

$21.6B

Combined Funding

1

Funded (Last 60d)

Grant

Top Stage

Indexed tracks 360 Energy Storage companies that have collectively raised $21.6B in documented funding. The most-funded energy storage companies tracked include Northvolt and Base Power. 1 company closed a new round in the last 60 days, with Grant being the most common funding stage.

NorthvoltClosed

Northvolt is a European battery manufacturer on a mission to deliver sustainable lithium-ion batt...

Stockholm, Sweden5001–10000Clean Energy, Manufacturing
Corporate RoundTotal funding$3.4BJun 2021
Base Power

Home battery and energy company that provides distributed power storage to reinforce the electric...

Austin, United States51–200Clean Energy, Clean Tech
Series DTotal funding$2.3BAug 2026
AlkegenAcquired

Alkegen offers specialty materials for filtration, insulation, and battery technologies that keep...

Tonawanda, United States5001–10000Energy Storage, Manufacturing
Private EquityTotal funding$2.1BJan 2021
TAE Technologies

TAE Technologies is a fusion power company developing the most sustainable and economically compe...

Foothill Ranch, United States201–500Energy, Deep Tech
Corporate RoundTotal funding$1.5BDec 2025
Sila Nanotechnologies

Develops and manufactures silicon-based anode materials and battery engineering services for EVs,...

Alameda, United States201–500Advanced Manufacturing, Deep Tech
Series G+Total funding$1.2BJun 2024
Sunwoda ElectronicIPO

China-based manufacturer of lithium-ion batteries for mobile devices, EVs, and energy storage, wi...

Shenzhen, China10001+Energy Storage, Manufacturing
Growth EquityTotal funding$1.2BAug 2022
Hithium Energy Storage

Global energy storage company founded in 2019 that manufactures lithium-ion battery materials, ce...

Xiamen, ChinaAdvanced Materials, Energy Storage
Series CTotal funding$897.5MJul 2023
Moda Midstream
Energy, Energy Storage
Private EquityTotal funding$750.0MMar 2015
Lunar Energy

Home solar and battery storage company offering modular 20 kWh battery systems with hybrid invert...

United StatesClean Energy, Energy Storage
Series DTotal funding$662.0MFeb 2026
Zenobe

UK-based battery storage and EV fleet electrification specialist, operating grid-scale batteries ...

London, United Kingdom201–500Clean Energy, Electric Vehicles
Growth EquityTotal funding$600.0MSep 2023
Palmetto

Clean energy platform that helps homeowners and partners adopt residential solar, financing, subs...

Charlotte, United States201–500Clean Energy, Energy Storage
Series DTotal funding$558.3MMar 2024
Antora Energy

Thermal energy storage company building factory-made battery systems that deliver zero-emissions ...

San Jose, United States51–200Climate Tech, Energy Storage
Series CTotal funding$550.0MAug 2026
Energy Vault

Energy Vault develops utility-scale energy storage solutions including gravity-based, battery, an...

Westlake Village, United States201–500Clean Energy, Energy Storage
Growth EquityTotal funding$510.0MAug 2025
QuantumScapeIPO

QuantumScape develops lithium-metal solid-state battery technology for electric vehicles, aiming ...

San Jose, United States501–1000Clean Energy, Electric Vehicles
Corporate RoundTotal funding$500.0MJun 2020
SunPowerIPO

SunPower delivers all-in-one residential solar solutions, pairing panels and energy storage with ...

Orem, United States501–1000Clean Energy, Climate Tech
Venture RoundTotal funding$419.0MApr 2026
6K

6K develops microwave plasma production systems and engineered materials for battery, additive ma...

North Andover, United States51–200Advanced Materials, Manufacturing
Series ETotal funding$370.3MSep 2024
Field

Field develops, builds, and optimizes grid-scale battery storage projects that make power grids a...

London, United Kingdom51–200Clean Energy, Energy Storage
Corporate RoundTotal funding$334.0MJul 2023
Nexeon Global

Nexeon develops and manufactures silicon-based anode materials that improve lithium-ion battery e...

Abingdon, United KingdomClimate Tech, Electric Vehicles
Corporate RoundTotal funding$290.9MMay 2026
Torus

Builds modular, inertia-based hybrid power plants combining flywheels and batteries for utilities...

Utah, United States51–200Energy Storage, Manufacturing
Series CTotal funding$267.0MApr 2024
CMBlu Energy

Non-lithium battery technology

Alzenau, GermanyEnergy Storage
Series CTotal funding$160.7MMay 2026
Nyobolt

Nyobolt develops integrated, ultra-fast charging battery technology for mission-critical industri...

Cambridge, United Kingdom51–200Energy Storage, Hardware
Series CTotal funding$160.5MMay 2026
PowinAcquired

Oregon-based utility-scale energy storage integrator providing battery systems and management sof...

Portland, United States201–500Clean Energy, Energy Storage
Growth EquityTotal funding$160.0MJul 2022
Energy Dome

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

Milan, Italy51–200Clean Tech, Energy Storage
Extension RoundTotal funding$142.0MJul 2023
Exowatt

Builds modular, dispatchable solar-plus-thermal energy systems for data centers and industrial cu...

Miami, United States51–200Clean Energy, Energy Storage
Extension RoundTotal funding$140.0MNov 2025
instagrid

Makes portable high-performance battery systems for professionals to replace diesel generators wi...

Ludwigsburg, Germany51–200Clean Energy, Energy Storage
Series CTotal funding$138.4MJan 2024

Frequently Asked Questions

How many Energy Storage companies are tracked on Indexed?

Indexed tracks 360 Energy Storage companies, sorted by total funding raised.

How much funding have Energy Storage companies raised in total?

The Energy Storage companies tracked by Indexed have collectively raised $21.6B in documented funding.

What are the top-funded Energy Storage companies?

The most-funded Energy Storage companies tracked include Northvolt, Base Power, Alkegen.

Who are the top investors in Energy Storage?

Leading investors active in Energy Storage include NGP Energy Capital, ARK Invest, SEB Greentech.

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