The average cost of a standby or whole home generator ranges depending on the size of the unit and the features it has. Typically, you can expect to spend anywhere from $1,000 to $10,000 or more for a quality generator.
Some factors that will affect the cost include:
-The wattage of the generator (the higher the wattage, the more it will cost)
-The brand and type of generator (some are more expensive than others)
-The features included with the generator (such as automatic start/stop, voltage regulation, wheel kits)
-Whether you have an electrician do the installation or do it yourself