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Energy Storage Startups

Updated August 2026

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

Explore 417 recently funded energy storage companies with verified founder contact information and fundraising data.

Total Companies
417
Total Funding
$10.4B
Avg Funding
$415.2M
Global Reach
11
countries

Top Cities for Energy Storage

Hayward
Milpitas
Delft
London
Bratislava
Riverside

Recently Funded Companies

Export
Hayward, United States

A group led by entrepreneurs and scientists, is poised to transform and enhance the energy storage system in electric vehicles.

$250K raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Milpitas, United States

Ampcera focuses on the development and commercialization of solid-state electrolyte and battery technologies.

Mar 2023

Founder Contacts

41,000+ verified contacts

Delft, The Netherlands

Solho develops an innovative and fully off-grid energy system called sprhout.

$622K raised
Mar 2023

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Powervault aims to disrupt the energy storage market by supplying the first plug-and-play energy storage device.

$4.6M raised
Feb 2023

Founder Contacts

41,000+ verified contacts

London, United Kingdom

RheEnergise is a long-duration energy storage technology company

Feb 2023

Founder Contacts

41,000+ verified contacts

Bratislava, Slovakia (Slovak Republic)

Energy-as-a-Service, Energy Storage Management, Energy Optimization

$17.4M raised
Jan 2023

Founder Contacts

41,000+ verified contacts

Riverside, United States

4th State Energies is a company that produces additives enabling immediate improvement in battery performance.

$200K raised
Jan 2024

Founder Contacts

41,000+ verified contacts

Austin, United States

Treaty Oak Clean Energy is an energy platform focusing on the development of solar based storage projects and sustainable energy.

$809.0M raised
Jan 2026

Founder Contacts

41,000+ verified contacts

Planegg, Germany

Electrochaea develops a commercially viable and disruptive solution for utility-scale energy storage, grid balancing, and carbon reuse.

$40.9M raised
Jan 2022

Founder Contacts

41,000+ verified contacts

Selçuklu, Turkey

Norm Green Energy is a renewable energy company focused on services, energy production, storage, and sales.

$2.7M raised
Jan 2023

Founder Contacts

41,000+ verified contacts

Düsseldorf, Germany

Uniper is an international energy company that provides large-scale energy services.

$9.0B raised
Jan 2022

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

August Energy helps businesses achieve profitable, scalable decarbonisation through renewable, storage, cooling, and bioenergy solutions.

Jan 2026

Founder Contacts

41,000+ verified contacts

Medellín, Colombia

Erco Energía is a manufacturing company that provides generation, digital energy marketing, and maintenance services.

$30.0M raised
Jan 2023

Founder Contacts

41,000+ verified contacts

Wilsonville, United States

ESS is an energy storage company that designs and produces iron flow batteries for commercial and utility-scale energy storage applications.

$15.0M raised
Jan 2026

Founder Contacts

41,000+ verified contacts

Paris, France

Geolinks is a deep tech startup that develops sustainable geophysical monitoring solutions.

$7.2M raised
Jan 2026

Founder Contacts

41,000+ verified contacts

Ottawa, Canada

GBatteries develops advanced fast charge technology and is backed by some of the world's leading investors.

Jan 2026

Founder Contacts

41,000+ verified contacts

München, Germany

Siemens Energy is one of the world’s leading energy technology company.

Dec 2025

Founder Contacts

41,000+ verified contacts

Berri, Australia

With the Redback Smart Hybrid System got options. Its advanced hybrid technology with battery manages and stores solar energy.

Jan 2024

Founder Contacts

41,000+ verified contacts

Polatli, Turkey

Pomega is a technology company that specializes in lithium-ion battery cell production, modules, and turnkey energy storage systems.

$23.1M raised
Dec 2022

Founder Contacts

41,000+ verified contacts

Louisville, United States

Solid Power is a developer of all-solid-state battery cells that provide enhancements over traditional lithium-ion batteries.

$130.0M raised
Jan 2026

Founder Contacts

41,000+ verified contacts

Hayward, United States

Blue Current manufactures advanced solid-state batteries for electric vehicles, consumer electronics, medical, and IoT devices.

$80.0M raised
Dec 2025

Founder Contacts

41,000+ verified contacts

Miami, United States

Battery storage IPP. A fully-integrated energy storage developer, technology company and asset owner. using proprietary software.

$77.6M raised
Jan 2025

Founder Contacts

41,000+ verified contacts

Itzehoe, Germany

Innovative cells, High performance batteries, Lithium ion, cells, Automotive cells, Aviation cells, High Si cells, battery technology

$63.3M raised
Dec 2022

Founder Contacts

41,000+ verified contacts

Santa Clara, United States

Simplifying renewable energy with portable lego-like power system with virtual battery platform

Jan 2022

Founder Contacts

41,000+ verified contacts

Tualatin, United States

ZincFive provides energy storage and delivery solutions, designing and supplying nickel-zinc (NiZn) battery systems.

$30.0M raised
Dec 2025

Founder Contacts

41,000+ verified contacts

Showing 301 to 325 of 417 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 417 energy storage companies tracked in the VCBacked database.

Average Funding
$415.2M
Total Funding Tracked
$10.4B
Countries Represented
11

Distribution by Funding Stage

Other25 companies

Top Cities for Energy Storage

1.Hayward
2 companies$80.3M
2.London
2 companies$4.6M
3.Milpitas
1 companiesUndisclosed
4.Delft
1 companies$622K
5.Bratislava
1 companies$17.4M

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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