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Energy Storage Startups

Updated October 2026

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

Explore 428 recently funded energy storage companies with verified founder contact information and fundraising data.

Total Companies
428
Total Funding
$1.3B
Avg Funding
$52.8M
Global Reach
12
countries

Top Cities for Energy Storage

Flower Mound
Kelburn
Claregalway
Mechelen
Claymont
Waltham

Recently Funded Companies

Export
Flower Mound, United States

Trinity Gas Storage offers tailored gas storage services to meet the needs of a wide range of potential gas storage customers.

$189.0M raised
Sep 2023

Founder Contacts

41,000+ verified contacts

Kelburn, New Zealand

TasmanIon is developing new aluminium-ion battery technologies suited for grid storage and portable applications.

$21K raised
Sep 2023

Founder Contacts

41,000+ verified contacts

Claregalway, Ireland

Next-generation battery systems

$48.8M raised
Sep 2024

Founder Contacts

41,000+ verified contacts

Mechelen, Belgium

Octave provides battery energy storage systems and software for managing renewable energy, EV charging, and power use.

$11.6M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Claymont, United States

Sunland America is a renewable energy company that transforms unused or underutilized land into battery energy storage systems.

$895K raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Waltham, United States

Adden Energy is a developer of stable, lithium-metal, solid-state batteries.

$15.0M raised
Sep 2024

Founder Contacts

41,000+ verified contacts

Atlanta, United States

Johnson Energy Storage produces solid-state lithium metal batteries for EV, grid storage and consumer electronics.

$15.0M raised
Sep 2024

Founder Contacts

41,000+ verified contacts

Espoo, Finland

Teraloop is developing a breakthrough in utility scale storage to unlock the integration of renewable energy.

Sep 2021

Founder Contacts

41,000+ verified contacts

Aberdeen, United Kingdom

Verlume develops subsea battery solutions and smart energy management systems, focusing on energy storage technologies.

$3.4M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Vancouver, Canada

Daanaa’s proprietary semiconductor technology provides power transactions medium and modality free: wired or wireless in AC/DC modes.

$300K raised
Sep 2022

Founder Contacts

41,000+ verified contacts

Houston, United States

Easton Energy provides transportation, storage, and processing options for natural gas liquids, refined products, and petrochemicals.

$245.0M raised
Sep 2021

Founder Contacts

41,000+ verified contacts

Sisli, Turkey

Zes is an energy solution company provides fast-charging stations for electric vehicles, offering both public and home/office installations.

$50.0M raised
Sep 2022

Founder Contacts

41,000+ verified contacts

Norrköping, Sweden

Sustainable Power for an Intelligent Tomorrow

$920K raised
Sep 2023

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Varco Energy is a battery storage asset owner and operator.

$70.8M raised
Sep 2023

Founder Contacts

41,000+ verified contacts

Bolzano, Italy

FlexyGrid provides energy management solutions for renewable energy communities, flexible resources, and local energy markets.

$853K raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Dover, United States

Outlast Power offers custom battery energy storage to help businesses lower electricity costs

$570K raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Highlands Ranch, United States

American Supercritical is an energy technology company that develops supercritical carbon dioxide (sCO₂) power systems.

$8.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Houston, United States

Fervo Energy develops and operates clean energy technology to generate carbon-free energy from geothermal systems.

$20.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Lugano, Switzerland

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

$40.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Richlands, Australia

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

$10.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Corpus Christi, United States

Sabalo Energy is an exploration and production company focused on responsibly developing energy for America's future.

$300.0M raised
Sep 2021

Founder Contacts

41,000+ verified contacts

Somerville, United States

Form Energy is an energy technology company that produces electric grids and accelerates the transition to clean energy.

$270.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

SVX is future-proofing manufacturing of cathode active materials for lithium-ion batteries in electric vehicles and energy storage systems.

$8.4M raised
Sep 2022

Founder Contacts

41,000+ verified contacts

Thalwil, Switzerland

Unbound Potential develops and provides large-scale energy storage systems for various applications.

$9.4M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Plymouth, United States

Marel Power Solutions develops modular power sub-systems.

$1.9M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Showing 1 to 25 of 428 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 428 energy storage companies tracked in the VCBacked database.

Average Funding
$52.8M
Total Funding Tracked
$1.3B
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for Energy Storage

1.Houston
2 companies$265.0M
2.Flower Mound
1 companies$189.0M
3.Kelburn
1 companies$21K
4.Claregalway
1 companies$48.8M
5.Mechelen
1 companies$11.6M

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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