What if space debris collides with it?
Collision with space junk is unlikely for a number of reasons. First, PowerSat reside in a geosynchronous orbit which is much higher than the low earth orbit debris band. Second, the surface area of the powersat is thin-film solar cells. Thus, a piece of space junk would go right through the thin film and would affect only a fraction of the output of that module, as there are many solar cells within a module. We could conceivably lose a module if a piece of junk collided with the core control system for that module, but the output of one module is only 1/300th the output of the entire satellite and can be easily replaced.
