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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
$1.8B
Avg Funding
$70.7M
Global Reach
9
countries

Top Cities for Energy Storage

New York
Newport Beach
Marseilles
Coconut Creek
Paris
Glattbrugg

Recently Funded Companies

Export
New York, United States

Onyx is a national provider of clean energy and decarbonization solutions to businesses, real estate, schools and government agencies.

$260.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Newport Beach, United States

EsVolta develops, owns, and operates utility-scale renewable energy projects.

$250.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Marseilles, France

Pess Energy designs, manufactures, and markets zero-emission generator sets with large capacities and powers.

$2.2M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Coconut Creek, United States

Blue Horizon Innovations produces batteries for long shelf life, with rapid charge rates and reliable environment-friendly alternatives.

$3.7M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Paris, France

NW Storm develops innovative solutions for electricity storage and EV high power charging infrastructure

$313.4M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Glattbrugg, Switzerland

Libattion is a company focused on integrating innovative Upcycled Energy Storage Systems (ESS) for industry and utility companies.

$15.0M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Toronto, Canada

e-Zinc is an electrochemical technology developer of energy storage solutions.

$31.0M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Düsseldorf, Germany

Zendure is the pioneer of the world’s first plug-and-play balcony energy storage system.

$13.9M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Shepton Mallet, United Kingdom

British Solar Renewables specializes in planning, designing, developing and maintaining renewable projects.

$473.5M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Darmstadt, Germany

reLi Energy is an innovative technology company that improves the performance of energy storage and batteries to reach their full potential.

$53K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Solus Power is a renewable energy industry that specializes in off-grid DC-to-DC rapid smart charging and energy storage solutions.

$27.9M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Sunnyvale, United States

Antora Energy is electrifying heavy industry with thermal energy storage for zero-carbon heat and power.

$14.5M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

San Leandro, United States

Quino Energy manufactures batteries that uses specially designed reactants called quinones that are dissolved in water.

Jun 2026

Founder Contacts

30,000+ verified contacts

Mikkeli, Finland

Sustainable low-cost energy storage for grid stability. Proprietary CRM-free water-based chemistry.

Jun 2025

Founder Contacts

30,000+ verified contacts

Miami, United States

Spearmint Energy is a merchant energy trading company founded to combine innovative financial solutions.

$325.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands

Optimize and manage charging stations, batteries, solar and the grid with our (white label) Charging and Energy Management Saas cloud.

$3.9M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Beltsville, United States

ION Storage Systems is an energy startup developing Solid State Lithium Metal Batteries.

$2.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

San Diego, United States

Unigrid develops sodium-ion batteries for energy storage and e-mobility applications.

$2.9M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Champaign, United States

Cache Energy is developing energy storage technology that is non-toxic, non-flammable, and a fire retardant for easy transportation.

$4.0M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

We are a tech and automotive OEM on a mission to create and deliver aspirational and sustainable mobility and energy solutions for everyone.

Jun 2023

Founder Contacts

30,000+ verified contacts

Newcastle Upon Tyne, United Kingdom

A pioneer of 2nd life electric vehicle battery based energy storage systems.

$18.3M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Dallas, United States

Mantle Energy develops activated geothermal systems that repurpose depleted wells to generate low-carbon baseload power.

$5.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Chicago, United States

Ourea Energy is a clean tech company that offers gravity-powered energy storage solution for data centers and independent power producers.

$250K raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Westborough, United States

Ascend Elements manufactures sustainable battery materials using elements from discarded lithium-ion batteries.

Jun 2025

Founder Contacts

30,000+ verified contacts

Boston, United States

ELECTRA AI develops software platforms that use AI to monitor, manage, and optimize battery systems across multiple applications.

Jun 2023

Founder Contacts

30,000+ verified contacts

Showing 76 to 100 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
$70.7M
Total Funding Tracked
$1.8B
Countries Represented
9

Distribution by Funding Stage

Other25 companies

Top Cities for Energy Storage

1.New York
1 companies$260.0M
2.Newport Beach
1 companies$250.0M
3.Marseilles
1 companies$2.2M
4.Coconut Creek
1 companies$3.7M
5.Paris
1 companies$313.4M

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 4 | VCBacked