As you mentioned the differing regional connections between the parties and energy interests, I'll point to the programme the SPD has in Hessen, which is pretty damn good. Could have been taken directly from the greens. Read the PDF here.
The government forces Vattenfall to close reactors in Sweden, then sends the very same stateowned company shopping for German nukes.
Politics are just awful. Peak oil is not an energy crisis. It is a liquid fuel crisis.