Backup systems are meant for Off-Grid paycheck. By definition you do canrrrt you create the Power Company's power. Your stored energy is your first line of backup. Which should be designed to obtain a 24-hour stream. What do you do after that? If your solar, wind and magnetic power sources no longer work you'll need a gas or 75Kw Diesel Generator generator. Because you might have energy storage, you only have to recharge the batteries and will take a far smaller 300kw diesel generator. A 400-watt gas generator will cost $102 and a noticeably 3,750-watt gas generator price you $500. Recall the accessories these generators have an energy and maintenance cost and don't provide free energy.
To acquire a generator's capability your house you need to run power cords from it to the targeted plumbing appliances. This way of connecting generator power is useful for things like TVs and refrigerators.