[ptero]

Even if so, I doubt electric company would ever call anyone on that -- that would just be inviting black PR: "you burn coal, and prohibit charging our eco-friendly scooters", "go fix ingesting my solar power into your system first", etc. -- possibly not completely correct, but painful still.

Plus, an electric company might love this: more customers, with demand at off-peak hours that might even slightly reduce the need for energy storage.