Energy Generation in Space

Probably a more cost effective and more or less off the shelf solution is
using a turbine generator to produce the electricity. By using a light
weight mylar reflector to direct sunlight onto a surface to heat whatever is
used as the system fluid. I have seen some articles about using Helium.

Several advantages are realized with this plan. Large scale production of
Photovoltaics is not required. Turbine design is well understood. left
requirements for a "mylar mirror" is going to be quite a bit less than
Photovoltaics or their related production equipment if you produce them in
orbit.

Kent