Sizable Energy
PrivateLast Round
Seed
Oct 22, 2025
Total Funding Raised
$8.74M
Company Overview
Sizable Energy operates in Energy & Sustainability and is based in Milan. Its latest recorded funding round was a Seed round in October 2025.
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
Business Model
B2B
Customer Profile
Services & Consulting, Usage-Based SaaS
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sizable Energy Comparables
Compare Sizable Energy with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| RheEnergise | 72% | |
| Quidnet Energy | 70% | |
| Energy Dome | 70% |
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Sizable Energy Funding Rounds
Historical fundraising activity
| 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
| 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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Recent news
Latest coverage and updates
- is_developingNov 10, 2026
As of Nov 10th '26, Sizable Energy S.r.l. is developing an offshore gravity-based energy storage system that uses deep-sea brine reservoirs to store and return renewable electricity to the grid; its demonstration and concept-validation phase is complete, project development is underway, and an integrated demonstrator with a data center in Naples is scheduled for H1 '27.
- expands_facilitiesNov 10, 2026
Sizable Energy S.r.l. develops an offshore energy storage system, with first commercial projects planned for Calabria and Sicily and a data-center demonstrator in Naples scheduled for H1 '27.
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Sizable Energy Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about Sizable Energy's valuation, stock price, and market status.
Is Sizable Energy a public or private company?
Sizable Energy is a private company.
What is the current stock price of Sizable Energy?
Sizable Energy is a private company, so its shares have no public market price. Caplight tracks Sizable Energy's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Sizable Energy worth (valuation)?
Valuation information for Sizable Energy is not publicly available.
Can I buy Sizable Energy stock?
Sizable Energy shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Sizable Energy's last funding round?
Sizable Energy's most recent funding round was Seed on October 22, 2025.
Who are the main investors in Sizable Energy?
Key investors in Sizable Energy include Unruly Capital, Playground Global, Climate Capital, Playground Global.
Will Sizable Energy IPO soon?
No public IPO plans have been announced for Sizable Energy.
How can I track Sizable Energy secondary market activity?
Caplight tracks bids, offers, and trades in Sizable Energy's shares on secondary markets.