It looks like the military is seriously looking into developing orbital power stations in order to reduce the logistical tail for remote bases. (paid subscription required)

The theory here is that if a relatively cost effective power station can be developed, then things like remote forward bases in Afghanistan would not require regular resupply of fuel for generators, which are both expensive and vulnerable.

They are in the very early stages, but the notational concept appears to be a 5-10 MW pilot power plant in about 10 years.

If they can manage that, we might start seeing commercial applications in the decade following that.