This sounds like so Libertarian IT guy’s wet dream.

But hey, privatized prisons work great in the real world. Why not have a privatized police force?

Anyway, the best story about privatizing a police force was already written.

Using a focused solar collector like the one above, you can use various mediums, like molten salt. The salt stays hot enough overnight that it can generate power 24/7, not just when the sun shines.