Protostar
Test mission beaming power between two spacecraft
Jacksonville, Florida startup building a power grid in space: satellites that collect sunlight and beam it to other spacecraft so they can run more power-hungry equipment.
| Date | Round | Amount | Led by |
|---|---|---|---|
| May 2026 | Series A | $65M | B Capital, Shield Capital, Cerberus Ventures1 |
Updated Oct 22, 2026 · How we source facts · Suggest a correction