Sizable Energy

Private

MilanEnergy & Sustainabilityhttps://sizableenergy.com/

Last Round

Seed

Oct 22, 2025

Total Funding Raised

$9.49M

Company Overview

Sizable Energy is a renewable energy company developing a novel offshore pumped-hydro energy storage solution that utilizes the gravitational potential of sea salt brine to provide scalable, long-duration energy storage.

Sector

Energy & Sustainability

Verticals

Energy Storage, Renewable Energy, Maritime & Shipping, Smart Grid

Business Model

B2B

Customer Profile

Services & Consulting, Usage-Based SaaS

AI Layer

Non-AI

Keywords

long-duration energy storageLDESoffshore pumped hydrogravity-based storageenergy storage as a servicegrid stabilityoffshore wind integrationrenewable energy storageutility-scale storagemaritime infrastructurepumped hydroclean energy techdeep-techenergy storage hardware

Historical Pricing

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Sizable Energy Comps

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Sizable Energy comps — public and private peers by sector, stage, and business model
Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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Sizable Energy Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Seed	Oct 22, 2025
Seed	Dec 19, 2022

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Sizable Energy Investors

Notable investors and investment history

Sizable Energy investors
Investor	Rounds
Verve Ventures	Seed
Unruly Capital	Seed
Playground Global	Seed
Climate Capital	Seed
Exascale Fund	Seed
Possible Ventures	Seed
Satgana	Seed

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Sizable Energy Filings

SEC and related filings with document metadata.

Data table
Typed	Date	Amount Offered	Amount Sold	Filling	Pages	Download
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Sizable Energy Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersMilan

Employee Range17

Year Founded2022

Last FundingOct 22, 2025

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