Caelux
PrivateLast Round
Series A
Extension
Aug 14, 2023
Est. Valuation
$60M
Total Funding Raised
$24M
Company Overview
Caelux is a renewable energy company that develops and manufactures perovskite-based solar power products, including its proprietary Active Glass technology, to enhance the efficiency and performance of crystalline silicon solar modules.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Advanced Materials, Clean Manufacturing
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Caelux Comparables
Compare Caelux with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Tandem PV | 93% | |
| Swift Solar | 87% | |
| CubicPV | 86% |
Caelux Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A Extension | Aug 14, 2023 | ||||
| Series A | Sep 23, 2022 | ||||
| Seed | May 14, 2014 |
Key People
Founding team and executive leadership
Caelux Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Fine Structure Ventures | Series A Extension |
| Temasek | Series A Extension |
| Khosla Ventures | Seed, Series A, Series A Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 26, 2026
3 GW of new Aurora modules in collaboration with Suniva.
- Apr 26, 2026
Partnered with Suniva to produce 3 gigawatts of new solar modules.
Recent news
Latest coverage and updates
- is_developingOct 27, 2026
Caelux and INA Solar plan to develop hybrid-tandem solar modules for India by combining TOPCon cells with perovskite-based power-generating glass, targeting efficiencies of up to 29% by 2028.
- integrates_withOct 23, 2026
On Oct 23rd '26 in India, Caelux enters a five-year strategic partnership with Insolation Energy Ltd. to integrate its proprietary Energy Producing Glass technology with Insolation Energy Ltd.'s N-Type TOPCon platform for the commercialisation of 3 GW of advanced solar modules.
- partners_withSep 17, 2026
On Sep 16th '26, Caelux and The GREW Solar announce a 4 GW, five-year partnership to produce high-power Hybrid-Tandem solar modules in India and the United States.
- is_developingSep 16, 2026
Caelux is developing high-power hybrid-tandem solar modules with GREW Solar through a five-year, 4 GW commercialization partnership, targeting commercial production of perovskite-plus-silicon modules above 29% efficiency in 2028.
Caelux Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Request accessFrequently Asked Questions
Common questions about Caelux's valuation, stock price, and market status.
Is Caelux a public or private company?
Caelux is a private company.
What is the current stock price of Caelux?
Caelux is a private company, so its shares have no public market price. Caplight tracks Caelux's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Caelux worth (valuation)?
Caelux's valuation is estimated at $60.0M based on funding round data.
Can I buy Caelux stock?
Caelux shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Caelux's last funding round?
Caelux's most recent funding round was Series A Extension on August 14, 2023.
Who are the main investors in Caelux?
Key investors in Caelux include Temasek.
Will Caelux IPO soon?
No public IPO plans have been announced for Caelux.
How can I track Caelux secondary market activity?
Caplight tracks bids, offers, and trades in Caelux's shares on secondary markets.