...and a generator will give you that.
The high speed internet connection can be interrupted by power outages, and perhaps you may want to look at one of those devices sold by Verizon, Sprint, etc. that allow you to connect via cell towers. Verizon has pay as you go and you can get coverage for a day, week, or month, with limitations on the amount of data that you can receive.
May be another form of back up you want to look into.
