The generator itself can’t do its job without the appropriate fuel, usually diesel, propane, or natural gas. The daily cost to run a 21 kW generator on natural gas is about $90. Running a 20 kW unit ...

Standby generators come in sizes ranging in power from 9 to 48 kilowatts (kW) and cost from $500 to $18,000. One of the best standby generators with about 20 to 24 kW can power most of a home’s ...

A home generator gives your home a backup in case of power outages, using an independent energy source like natural gas or propane to generate electricity and deliver it through your home's wiring to ...