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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
$2.0B
Avg Funding
$80.0M
Global Reach
9
countries

Top Cities for Energy Storage

London
San Francisco
Trondheim
Orlando
Graz
Groningen

Recently Funded Companies

Export
London, United Kingdom

EvRiderz is the world’s first triple-play green eDelivery last mile solution company. Making a difference with EVery ride.

$144K raised
Sep 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

EcoFlow provides designs, develops and manufactures eco-friendly and affordable portable power stations for personal and professional use.

$9.6M raised
Sep 2021

Founder Contacts

30,000+ verified contacts

Trondheim, Norway

Cartesian provide modular and cost-effective energy storage systems for large heating and cooling systems.

Sep 2025

Founder Contacts

30,000+ verified contacts

Orlando, United States

Capacitech Energy is an energy storage component company that makes cable-based energy storage products such as the cable-based capacitor.

$100K raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Graz, Austria

Efficient Energy Technology makes renewable energy simple, safe, and dependable for everyone.

$7.2M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Groningen, The Netherlands

Corre Energy develops, builds and operates grid-scale underground energy storage.

$1.5M raised
Aug 2024

Founder Contacts

30,000+ verified contacts

La Madeleine, France

Helexia Group delivers energy performance, engineering, and financing solutions for sustainable building energy and decarbonization.

$58.4M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

El Segundo, United States

Arena Renewables is a community and distributed solar and storage developer that offers lower power bills and clean energy.

$3.1M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Houston, United States

ICE Thermal Harvesting focuses on supplying zero-emission power in various regions around the world.

$150.0M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

San Jose, United States

QuantumScape develops solid-state lithium-metal batteries for electric vehicles and other energy storage applications.

$300.0M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Phoenix, United States

EarthEn works on technology to provide a carbon-negative, climate-positive long-duration energy storage solution.

Aug 2025

Founder Contacts

30,000+ verified contacts

Richlands, Australia

Graphene Manufacturing Group operates as a clean-technology graphene manufacturer.

$5.0M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

Columbus, United States

Power to Hydrogen develops advanced AEM electrolyzers that integrate with renewables while eliminating precious, expensive metals.

$18.0M raised
Aug 2024

Founder Contacts

30,000+ verified contacts

Mildenhall, United Kingdom

Volador Energy is tackling the limitations of current battery energy storage systems (BESS).

$2.0M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

San Diego, United States

Tyfast is a battery manufacturing company that develops fast-charging batteries and technologies for heavy-duty vehicles.

$100K raised
Aug 2025

Founder Contacts

30,000+ verified contacts

San Leandro, United States

Electriq Power is a provider of smart home battery storage solution for homes and small businesses.

$45.0M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Arcadia, United States

Element 16 is a developer of energy storage system.

$1.4M raised
Aug 2021

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Flexion Energy is a modern utility and energy storage infrastructure specialist, which is bridging the gap between development and finance.

$207.0M raised
Jul 2021

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Field is a renewable energy company aiming to accelerate the build-out of renewable infrastructure needed to reach net zero.

$254.4M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Madrid, Spain

EaaS. Energy as a Service. We provide optimized energy access for transport and electric mobility companies.

Jul 2023

Founder Contacts

30,000+ verified contacts

Boston, United States

BlueWave is to protect our planet by transforming access to renewable energy.

$247.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Hanover, Germany

MARCLEY ownes & manages the energy source within multi-family buildings in order to supply the residents with electricity.

$5.4M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

South Yarra, Australia

Octopus Australia is a renewable energy developer and fund manager harnessing capital and expertise to accelerate the energy transition.

$651.3M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Hamburg, Germany

1Komma5° is a home electrification and climatetech company that provides intelligent energy solutions and promotes a CO₂-neutral lifestyle.

Jul 2025

Founder Contacts

30,000+ verified contacts

Munich, Germany

VoltStorage develops and produces solar energy storage systems based on the eco-friendly Redox Flow Battery technology.

$33.1M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 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
$80.0M
Total Funding Tracked
$2.0B
Countries Represented
9

Distribution by Funding Stage

Other25 companies

Top Cities for Energy Storage

1.London
3 companies$461.5M
2.San Francisco
1 companies$9.6M
3.Trondheim
1 companiesUndisclosed
4.Orlando
1 companies$100K
5.Graz
1 companies$7.2M

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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