Bananavilla

I'm not sure why some folks think that the banana needs light to "make it through" winter. If you just bring them in and stop watering them (keep barely moist/dry) they will store just fine. They pretty much go dormant. You will most likely do more damage than good with "plant lights" in my oppinion. Unless your talking at least 1000W of Metal Halide. To week of light is going to cause them to think they can grow but only produce spindly week growth.
I have stashed young plants that I didn't want any frost damage on in the garage (in the dark) several times. They look a bit ratty come spring but they are fine.
My 2 cents anyway.
Mike