It's stored in large tanks near the home rather than relying on exterior gas lines, allowing you to run the generator fully off-grid. These home generators cost $11,270 on average, ranging from ...

Step One: Research. In a home standby generator, a natural-gas- or liquid-propane (LP)-fueled motor uses mechanical energy to produce electricity.

Almost all these generators will work with natural gas or propane. If you folks have Natural gas piped into their home and its likely to stay on during a prolonged power outage then stick with that.