needs blackout techniques with curtains, black or dark blue papers covering windows glasses and covering even little openings under doors. Duct tape for small holes.
Check everything from the outside with full lights on inside

its not easy, but you need to do this to enjoy your lights
inside but also you need to go stealth in noises and smells

but if you use a generator you are a target anyway

with some big truck batteries and a converter [link to www.amazon.com (secure)]
you can keep some led lights on, a router a laptop a tv.....if you expect power cuts ceep them always charged when you have electricity or with your generator but during the day at least