Gasoline may be the single largest refined product in north america and is accountable to half among the national usage of oil. Apart from the large sales of gas, there are many of other factors, like government laws, which could affect the costs.
Backup systems are necessary for Off-Grid not really. By definition you do do not have the Power Company's control. Your stored energy is the first line of backup. That needs to be designed with regard to the 24-hour download. What do you do now? If your solar, wind and magnetic power sources no longer work you'll need a gas or 200kw diesel Generator generator. Because a person energy storage, you only have to recharge the batteries and that will take a substantially smaller builder. A 400-watt gas 200kw diesel generator will cost $102 and a 3,750-watt gas generator can cost $500. Neglect these generators have a fuel and maintenance cost and won't provide free energy.
This consequently causes heat and can make the band stretch and cut wrong.