ION Clean Energy
PrivateLast Round
Series A
Apr 4, 2024
Total Funding Raised
$91.29M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
ION Clean Energy operates in Energy & Sustainability and is based in Boulder, Colorado. Its latest recorded funding round was a Series A round in April 2024.
ION Clean Energy is a clean technology company that develops and commercializes proprietary post-combustion carbon dioxide capture technology for industrial and power generation sources.
Sector
Energy & Sustainability
Verticals
Carbon Capture, Clean Manufacturing
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts, Hardware Sales
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
ION Clean Energy Comparables
Compare ION Clean Energy with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Carbon Clean | 84% | |
| Nuada | 82% | |
| Svante | 79% |
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ION Clean Energy Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Apr 4, 2024 | ||||
| Strategic | Feb 23, 2023 | ||||
| Grant | Oct 18, 2022 | ||||
| Grant | Feb 1, 2022 | ||||
| Grant | Oct 6, 2021 | ||||
Grant | May 30, 2018 |
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Key People
Founding team and executive leadership
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ION Clean Energy Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Carbon Direct Capital Management | Series A |
| SK Inc. | Strategic |
| University of Alabama Department of Chemical and Biological Engineering | Grant |
| Department of Energy | Grant |
| National Energy Technology Laboratory | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 26, 2026
Monthly visitors increased 45% MoM.
- Aug 22, 2025
Launched ICE Blocks, a modular carbon capture solution.
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Recent news
Latest coverage and updates
- recognized_asOct 7, 2026
ION Clean Energy, Inc. CEO Tim Vail is named a finalist for the Lifetime Achievement Award at the 2026 Platts Global Energy Awards, which recognize leadership and innovation across the energy value chain; S&P Global Energy announces the winners on Dec 3rd '26 in New York City.
- recognized_asOct 7, 2026
ION Clean Energy, Inc. CEO Tim Vail is named a finalist for the Lifetime Achievement Award at the 2026 Platts Global Energy Awards on Oct 7th '26.
- attends_eventOct 7, 2026
ION Clean Energy, Inc. CEO Tim Vail is a finalist for the Lifetime Achievement Award at the 2026 Platts Global Energy Awards, where winners are announced in New York City on Dec 3rd '26.
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ION Clean 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 ION Clean Energy's valuation, stock price, and market status.
Is ION Clean Energy a public or private company?
ION Clean Energy is a private company.
What is the current stock price of ION Clean Energy?
ION Clean Energy is a private company, so its shares have no public market price. Caplight tracks ION Clean Energy's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is ION Clean Energy worth (valuation)?
Valuation information for ION Clean Energy is not publicly available.
Can I buy ION Clean Energy stock?
ION Clean Energy shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was ION Clean Energy's last funding round?
ION Clean Energy's most recent funding round was Series A on April 4, 2024.
Who are the main investors in ION Clean Energy?
Key investors in ION Clean Energy include SK Inc..
Will ION Clean Energy IPO soon?
No public IPO plans have been announced for ION Clean Energy.
How can I track ION Clean Energy secondary market activity?
Caplight tracks bids, offers, and trades in ION Clean Energy's shares on secondary markets.