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Energy Storage Startups

Updated July 2026

Companies in the energy storage sector developing innovative solutions and technologies.

Explore 402 recently funded energy storage companies with verified founder contact information and fundraising data.

Total Companies
402
Total Funding
$1.6B
Avg Funding
$62.2M
Global Reach
10
countries

Top Cities for Energy Storage

Thornton
Cologne
Wittenberg
Berlin
Seattle
Den Haag

Recently Funded Companies

Export
Thornton, United Kingdom

O-Hx is responsible for the development of more efficient cooling systems that can also function as utility scale energy storage solutions.

$586K raised
Feb 2023

Founder Contacts

30,000+ verified contacts

Cologne, Germany

Einklang Energy provides battery storage solutions for German SMEs, combining energy flexibility with renewable power contracts.

$2.6M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Wittenberg, Germany

TESVOLT AG is one of the innovation and market leaders for commercial and industrial energy storage system solutions in Germany and Europe.

Feb 2022

Founder Contacts

30,000+ verified contacts

Berlin, Germany

Scale Energy develops Europe´s largest decentralized network of energy storage

$2.1M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

Seattle, United States

Electric Era Technologies develops AI-controlled battery storage for the cost-effective operation of charging stations.

$1.0M raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Den Haag, The Netherlands

Lion Storage is an expert in creating battery energy storage solutions for utilities.

$364.7M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

Boston, United States

Swift Current Energy is a renewable energy company that develops and operates clean energy projects.

$248.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Delft, The Netherlands

MEMSYS is a Dutch startup founded as a spin-off from the Delft University of Technology.

Feb 2025

Founder Contacts

30,000+ verified contacts

Loveland, United States

KineticCore Solutions is a technology manufacturing company that produces energy storage systems.

$255K raised
Feb 2022

Founder Contacts

30,000+ verified contacts

Copenhagen, Denmark

Bankable renewable energy intelligence

$9.1M raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Tallinn, Estonia

Gelatex has invented fast and scalable solution-spinning technology to produce nanofibers for various industries.

Feb 2025

Founder Contacts

30,000+ verified contacts

Paphos, Cyprus

Redox One manufactures iron-chromium flow batteries for large-scale energy storage across industrial and grid applications.

$20.0M raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Seattle, United States

Joule Case ESS is designed to meet the mission-critical power needs of businesses, heavy industry, grid-backup, and EV charging.

$2.2M raised
Feb 2023

Founder Contacts

30,000+ verified contacts

Oakland, United States

Lilac is a direct lithium extraction technology company that enables producers to extract lithium from brine resources.

$145.0M raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Lugano, Switzerland

Energy Vault offers a utility-scale, gravity-based storage solution for renewable energy.

$135.5M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Paris, France

WAAT operates fast charging stations for electric and rechargeable hybrid vehicles.

$117.5M raised
Sep 2025

Founder Contacts

30,000+ verified contacts

Brooklyn, United States

XL Batteries develops a technology platform to reduce waste formation.

$7.5M raised
Sep 2025

Founder Contacts

30,000+ verified contacts

Hamburg, Germany

suena is a Hamburg based 100% digital flexibility trader for large-scale battery storage and renewable energies.

$9.5M raised
Sep 2025

Founder Contacts

30,000+ verified contacts

Utrecht, The Netherlands

Zympler facilitates businesses to integrate their energy infrastructure, including batteries, charging stations, and solar panels.

$1.8M raised
Sep 2025

Founder Contacts

30,000+ verified contacts

Amherst, United States

florrent is a bio-based materials and energy storage company.

$9.5M raised
Sep 2025

Founder Contacts

30,000+ verified contacts

Woodinville, United States

Group14 Technologies is a commercial manufacturer and supplier of advanced silicon battery technology.

$463.0M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

Brooklyn, United States

XL Batteries develops a technology platform to reduce waste formation.

$7.5M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

Katy, United States

Elementium is a battery materials company that develops and scales novel electrolyte formulations for advanced lithium-ion chemistries.

$3.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Pleasanton, United States

Enact's platform enables customers to simplify their solar purchase, also used by thousands of professionals in 20+ countries

$2.1M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

Tether builds AI that turns millions of parked EVs into the world's largest battery

$1.5M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Showing 201 to 225 of 402 companies

About the Energy Storage Startup Ecosystem

The energy storage sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Energy Storage

Energy Storage companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The energy storage sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Energy Storage Funding Breakdown

Here is how funding is distributed among the 402 energy storage companies tracked in the VCBacked database.

Average Funding
$62.2M
Total Funding Tracked
$1.6B
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for Energy Storage

1.Seattle
2 companies$3.2M
2.Brooklyn
2 companies$15.0M
3.Thornton
1 companies$586K
4.Cologne
1 companies$2.6M
5.Wittenberg
1 companiesUndisclosed

Related Industries

Companies in the energy storage sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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402 Energy Storage Startups (2026) — Recently Funded Companies, Investors & Rounds — Page 9 | VCBacked