Sizable Energy Raises $8M to Advance Offshore Pumped Hydro Storage

Sizable Energy Raises $8M to Advance Offshore Pumped Hydro Storage

Oct 22, 2025

Deal Summary

Sizable Energy, a Milan-based long-duration ocean energy storage company, raised $8M in a funding round led by Playground Global with participation from Exa Ventures, Verve Ventures, Satgana, EDEN/IAG and Unruly Capital. The company will use the proceeds to accelerate development and deployment of its offshore pumped hydro system.

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