Backup systems are important for Off-Grid does not. By definition you do donrrrt you have the Power Company's vigor. Your stored energy is the first line of backup. Which needs to be designed to obtain a 24-hour force. What do you do subsequently? If your solar, wind and magnetic power sources no longer work you will need a gas or diesel generator. Because get energy storage, you just need to recharge the batteries which will take a lot smaller motor. A 400-watt gas generator will cost $102 and a noticeably 3,750-watt gas generator can cost $500. Recall the accessories these generators have a fuel and maintenance cost and won't provide free energy.
If a person using a gas or diesel powered pressure washer, make certain to use it only diesel Generator set generator in open spaces which means you don't get carbon monoxide build forward. This gas is impossible to detect by smell and can be fatal.