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Sizable Energy
Sizable Energy

Sizable Energy

Sizable Energy develops offshore brine-based pumped hydro systems for long-duration electricity storage.

Operating headquarters
Milan, IT🇮🇹
Founded
2022
Overview
Analysis
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Fundraising
Employees
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Sizable Energy develops an offshore electricity-storage system using saturated brine, ocean depth, and reversible pump-turbines. Its architecture connects a floating reservoir to another on the seabed, moving brine between them to store and recover energy. The company presents the design as modular storage that can operate alongside floating renewable generation.

Development includes wave-basin experiments and demonstrations at sea. The company identifies potential sites across multiple regions, while its public materials describe continuing engineering and deployment preparation.

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Sizable Energy - Quick Facts

Who are Sizable Energy's competitors?

Companies similar to Sizable Energy include Rcam Technologies, Isentropic, RheEnergise and Dragon Q Energy.

When was Sizable Energy founded?

Sizable Energy was founded in 2022.

Where is Sizable Energy's headquarters located?

Sizable Energy's headquarters is located in Milan, IT.

When was Sizable Energy's last funding round?

Sizable Energy's most recent funding round was for $8M (USD) in October 2025.

How much has Sizable Energy raised to-date?

As of Oct 22, 2025, Sizable Energy has raised a total of $8M (USD).

How many employees does Sizable Energy have?

Sizable Energy has 11-50 employees as of Jun 27, 2026.

Sizable Energy - Classification

Industry
  • Energy Storage
Ownership
  • Venture-backed private company
Technology
  • Marine Engineering
Model
  • Hardware
Customer
  • Enterprise
Tags
  • Energy Storage