DiscontinuedSolar financing and Bitcoin paymentsBitcoin2015–2024
The Sun Exchange
Solar cells could earn their owners Bitcoin payments
A platform for individuals to buy solar cells and lease them to African energy users.
- Capital raised (announced)
- Estimated
Company backing during the crowdsales era; institutional activities continued.
Funding
| Round | Date | Announced | Investors |
|---|---|---|---|
| Seed | 19 October 2017 | Not disclosed | |
| Series A (total round) | 9 June 2020 | ||
| Convertible note issuance | 29 September 2021 | Not disclosed |
Announced is what was said at the time. Cash actually received is rarely disclosed and is not assumed to match.
People
| Name | Role | Period | Now | Last checked |
|---|---|---|---|---|
| Abe Cambridge | — | Founder, Sun Exchange (not CEO) | Oct 2026 |
How it ended
The Bitcoin Manual reported Sun Exchange’s exit from crowdsales and the completed sale of several solar projects. Its institutional solar business had continued separately.
Still alive
Open spot
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Sources
6 sources behind this page.
- 1Abe Cambridge professional profile · Abe Cambridge / X
- 2Abe Cambridge project-era professional posts · Abe Cambridge / X · Jul 2022
- 3Sun Exchange financing observations · DeFiLlama · user-editable
- 4Sun Exchange switches to corporate funders · ITWeb · Feb 2024
- 5Sun Exchange closes its Series A · TechCrunch · Jun 2020
- 6Sun Exchange quits crowdsales business · The Bitcoin Manual · Aug 2024
Every figure above is clickable and opens the sources behind it. Copies were stored when each source was read, so a citation still resolves after the page it came from is gone.