1s1 Energy
PrivateLast Round
Seed
Oct 15, 2024
Total Funding Raised
$3.55M
Company Overview
1s1 Energy operates in Energy & Sustainability and is based in Portola Valley, California. Its latest recorded funding round was a Seed round in October 2024.
1s1 Energy is a climate technology company that develops proprietary boron-based materials and systems for proton exchange membrane water electrolyzers to reduce the cost of green hydrogen production.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Advanced Materials, Alternative Fuels, Clean Manufacturing
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
1s1 Energy Comparables
Compare 1s1 Energy with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| EVOLOH | 83% | |
| Advanced Ionics | 81% | |
| Verdagy | 81% |
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1s1 Energy Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Oct 15, 2024 | ||||
| Seed | Nov 10, 2022 |
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Key People
Founding team and executive leadership
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1s1 Energy Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| CSN Inova Ventures | Seed |
| CSN Inova | Seed |
| Faber Ventures | Seed |
| Rumbo Ventures | Seed |
| Aquarius Capital | Seed |
| Ecoa Capital | Seed |
| Course Corrected | Seed |
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Market signals
Structured signals derived from secondary market and firmographic data.
- May 13, 2026
Monthly visitors grew 809% MoM, from 196 to 1.8K.
- Mar 3, 2026
Grew 50% QoQ, from 8 to 12 employees.
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1s1 Energy 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 1s1 Energy's valuation, stock price, and market status.
Is 1s1 Energy a public or private company?
1s1 Energy is a private company.
What is the current stock price of 1s1 Energy?
1s1 Energy is a private company, so its shares have no public market price. Caplight tracks 1s1 Energy's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is 1s1 Energy worth (valuation)?
Valuation information for 1s1 Energy is not publicly available.
Can I buy 1s1 Energy stock?
1s1 Energy shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was 1s1 Energy's last funding round?
1s1 Energy's most recent funding round was Seed on October 15, 2024.
Who are the main investors in 1s1 Energy?
Key investors in 1s1 Energy include CSN Inova Ventures, CSN Inova, Faber Ventures.
Will 1s1 Energy IPO soon?
No public IPO plans have been announced for 1s1 Energy.
How can I track 1s1 Energy secondary market activity?
Caplight tracks bids, offers, and trades in 1s1 Energy's shares on secondary markets.