Exowatt
PrivateLast Round
Series A
Extension
Nov 13, 2025
Total Funding Raised
$140M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Exowatt operates in Energy & Sustainability and is based in Miami, Florida. Its latest recorded funding round was a Series A Extension round in November 2025.
Exowatt is a renewable energy company that develops modular thermal energy storage systems designed to provide reliable, dispatchable power for energy-intensive applications such as data centers.
Sector
Energy & Sustainability
Verticals
Energy Storage, Renewable Energy, Cloud Infrastructure, Energy Management
Business Model
B2B
Customer Profile
Services & Consulting, Hardware Sales
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Exowatt Comparables
Compare Exowatt with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Fourth Power | 68% | |
| Joulent | 64% | |
| Rondo Energy | 63% |
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Exowatt Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A Extension | Nov 13, 2025 | ||||
| Debt | Apr 22, 2025 | ||||
| Series A | Apr 22, 2025 | ||||
| Seed | Apr 22, 2024 |
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Key People
Founding team and executive leadership
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Exowatt Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Andreessen Horowitz | Seed, Series A |
| Overmatch | Series A Extension |
| Manhattan Venture Partners | Series A Extension |
| Thrive Capital | Series A |
| StepStone Group | Series A |
| Climate Capital | Seed |
| DeepWork Capital | Series A Extension |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 12, 2026
P3 Gen 2, a redesigned modular solar-thermal system, is now available.
- Aug 20, 2026
Grew 16% QoQ, from 79 to 92 employees.
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Recent news
Latest coverage and updates
- launchesNov 12, 2026
Exowatt announces P3 Gen 2 on Nov 12th '26, a redesigned modular solar-thermal system for utility projects and large energy users, including AI data centers.
- receives_financingOct 12, 2026
Exowatt has raised a total of $105M across five funding rounds, comprising two Seed rounds, two Early-Stage rounds, and one debt round.
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Exowatt Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Exowatt's valuation, stock price, and market status.
Is Exowatt a public or private company?
Exowatt is a private company.
What is the current stock price of Exowatt?
Exowatt is a private company, so its shares have no public market price. Caplight tracks Exowatt's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Exowatt worth (valuation)?
Valuation information for Exowatt is not publicly available.
Can I buy Exowatt stock?
Exowatt shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Exowatt's last funding round?
Exowatt's most recent funding round was Series A Extension on November 13, 2025.
Who are the main investors in Exowatt?
Key investors in Exowatt include Manhattan Venture Partners, 8090 Industries, HSBC Innovation Banking, Felicis Ventures.
Will Exowatt IPO soon?
No public IPO plans have been announced for Exowatt.
How can I track Exowatt secondary market activity?
Caplight tracks bids, offers, and trades in Exowatt's shares on secondary markets.