Noble Carbon
PrivateLast Round
Grant
Aug 15, 2025
Total Funding Raised
$350,000
Company Overview
Noble Carbon is a hardware-enabled software company that manufactures smart circuit breakers designed for real-time energy management.
Sector
Energy & Sustainability
Verticals
Energy Management, Smart Buildings, IoT Hardware, Green Building
Business Model
B2B
Customer Profile
Hardware Sales, Hardware + Subscription
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Noble Carbon Comparables
Compare Noble Carbon with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| ProductIF Solutions | 77% | |
| Span.IO, Inc. | 76% | |
| Leviton Manufacturing Co., Inc. | 76% |
Noble Carbon Funding Rounds
Historical fundraising activity
Noble Carbon Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| The Engine | Accelerator |
| Massachusetts Technology Collaborative | Grant |
| Massachusetts Clean Energy Center | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 24, 2026
Grew 100% QoQ from 3 to 6 employees.
- Aug 15, 2025
$350K grant from Massachusetts Clean Energy Center.
Recent news
Latest coverage and updates
- partners_withSep 22, 2026
Noble Carbon currently partners with Eversource to install its breakers in up to 200 multifamily units in Massachusetts on Sep 22nd '26.
Noble Carbon 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.
Request accessFrequently Asked Questions
Common questions about Noble Carbon's valuation, stock price, and market status.
Is Noble Carbon a public or private company?
Noble Carbon is a private company.
What is the current stock price of Noble Carbon?
Noble Carbon is a private company, so its shares have no public market price. Caplight tracks Noble Carbon's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Noble Carbon worth (valuation)?
Valuation information for Noble Carbon is not publicly available.
Can I buy Noble Carbon stock?
Noble Carbon shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Noble Carbon's last funding round?
Noble Carbon's most recent funding round was Grant on August 15, 2025.
Who are the main investors in Noble Carbon?
Key investors in Noble Carbon include Massachusetts Clean Energy Center.
Will Noble Carbon IPO soon?
No public IPO plans have been announced for Noble Carbon.
How can I track Noble Carbon secondary market activity?
Caplight tracks bids, offers, and trades in Noble Carbon's shares on secondary markets.