Get a generator for few thousand dollars. Some are even automatic they turn on when the power goes off.
If your phone doesn't work can you walk to your neighbor's house and use theirs. May be they have the old fashioned non-VOIP phone that works. Your neighbor would have helped you faster with your garage door than poor Greg who had to drive all the way from other side of town in this inclement weather.
Or is this all fiction? Indian-american version of Chicken Little.