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Top Energy Storage Companies

90 Energy Storage companies, sorted by total funding raised.

90

Companies

$15.6B

Combined Funding

3

Funded (Last 60d)

Seed

Top Stage

Indexed tracks 90 Energy Storage companies that have collectively raised $15.6B in documented funding. The most-funded energy storage companies tracked include Northvolt and Alkegen. 3 companies closed a new round in the last 60 days, with Seed 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
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
Base Power

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

Austin, United States51–200Clean Energy, Clean Tech
Series C·$1.3B·Oct 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
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·$554.0M·Mar 2024
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
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 D·$267.0M
Energy Vault

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

Westlake Village, United States201–500Clean Energy, Energy Storage
Series C·$210.0M·Oct 2021
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
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
Moxion Power Co.Closed

Mobile Energy Storage Technology

Richmond, United States201–500Climate Tech, Electric Vehicles
Venture Round·$123.3M·Jun 2023
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
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·$110.0M·Jun 2023
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
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·$91.6M·Jun 2026
Malta

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

Cambridge, United States51–200Climate Tech, Energy Storage
Series B·$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
Exowatt

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

Miami, United States51–200Clean Energy, Energy Storage
Series A·$70.0M·Apr 2025
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

Frequently Asked Questions

How many Energy Storage companies are tracked on Indexed?

Indexed tracks 90 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 $15.6B in documented funding.

What are the top-funded Energy Storage companies?

The most-funded Energy Storage companies tracked include Northvolt, Alkegen, TAE Technologies.

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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