Backup systems are needed Off-Grid lifestyle. By definition you do donrrrt you have the Power Company's dominance. Your stored energy is the first line of backup. Which needs to be designed with regard to the 24-hour heap. What do you do second? If your solar, wind and magnetic power sources no longer work you'll need a gas or 300Kw Diesel Generator generator. Because you've energy storage, you only need to recharge the batteries and will take a much smaller power generators. A 400-watt gas 200kw diesel generator will cost $102 and maybe a 3,750-watt gas generator can cost $500. Overlook the rest these generators have an energy and maintenance cost , nor provide free energy.
Some in the past I installed a wood stove within a rural property a quantity miles out from the grid. The power company wanted a great deal of money to run power and fasten them. As being a result this very large prestige's house was run by both Solar and Wind force.