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Top Energy Storage Companies

112 Energy Storage companies, sorted by total funding raised.

112

Companies

$19.1B

Combined Funding

3

Funded (Last 60d)

Venture Round

Top Stage

Indexed tracks 112 Energy Storage companies that have collectively raised $19.1B in documented funding. The most-funded energy storage companies tracked include Northvolt and Base Power. 3 companies closed a new round in the last 60 days, with Venture Round 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 Round·$3.4B·Jun 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 D·$2.3B·Aug 2026
AlkegenAcquired

Helping the world breathe easier and live greener.

Tonawanda, United States5001–10000Energy Storage, Manufacturing
Private Equity·$2.1B·Jan 2021
TAE Technologies

Fusion energy company developing clean energy solutions.

Foothill Ranch, United States201–500Energy, Deep Tech
Corporate Round·$1.5B·Dec 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+·$1.2B·Jun 2024
Sunwoda ElectronicIPO

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

Shenzhen, China10001+Energy Storage, Electronics Manufacturing
Growth Equity·$1.2B·Aug 2022
Lunar Energy

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

United StatesClean Energy, Energy Storage
Series D·$662.0M·Feb 2026
Zenobe

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

London, United Kingdom201–500Clean Energy, Electric Vehicles
Growth Equity·$600.0M·Sep 2023
Palmetto

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

Charlotte, United States201–500Clean Energy, Energy Storage
Series D·$558.3M·Mar 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 C·$550.0M·Aug 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 Equity·$510.0M·Aug 2025
QuantumScapeIPO

Develops solid-state lithium-metal batteries for electric vehicles, improving energy density, cha...

San Jose, United States501–1000Clean Energy, Electric Vehicles
Corporate Round·$500.0M·Jun 2020
SunPowerIPO

Solar power and renewable energy company.

Orem, United States501–1000Climate Tech, Energy
Venture Round·$419.0M·Apr 2026
6K

Plasma reactor manufacturer for sustainable advanced materials and batteries.

North Andover, United States51–200Advanced Materials, Manufacturing
Series E·$366.9M·Sep 2024
Field

Accelerating the build out of the renewable infrastructure needed to reach net zero

London, United Kingdom51–200Clean Energy, Energy Storage
Corporate Round·$334.0M·Jul 2023
Torus

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

Utah, United States51–200Energy Storage, Manufacturing
Series C·$267.0M·Apr 2024
CMBlu Energy

Non-lithium battery technology

Alzenau, GermanyEnergy Storage
Series C·$160.7M·May 2026
Nyobolt

Ultra-fast battery technology company for robotics and industrial applications.

Cambridge, United Kingdom51–200Energy Storage, Hardware
Series C·$160.5M·May 2026
PowinAcquired

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

Portland, United States201–500Clean Energy, Energy Storage
Growth Equity·$160.0M·Jul 2022
Energy Dome

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

Milan, Italy51–200Clean Tech, Energy Storage
Extension Round·$142.0M·Jul 2023
Exowatt

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

Miami, United States51–200Clean Energy, Energy Storage
Extension Round·$140.0M·Nov 2025
instagrid

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

Ludwigsburg, Germany51–200Clean Energy, Energy Storage
Series C·$138.4M·Jan 2024
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 C·$135.0M·Jun 2023
Moxion Power Co.Closed

Mobile Energy Storage Technology

Richmond, United States201–500Climate Tech, Electric Vehicles
Venture Round·$123.3M·Jun 2023
Omnidian

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

Seattle, United States201–500Energy Storage, Renewable Energy
Series C·$120.0M·Apr 2025

Frequently Asked Questions

How many Energy Storage companies are tracked on Indexed?

Indexed tracks 112 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 $19.1B 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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