The answer to 'how much does generator installation cost' is that the cost can vary significantly depending on several factors. Typically, generator installation for a residential home can range anywhere from $3,000 to $10,000 or more.
The main factors that influence the cost include the size and type of generator, the complexity of the installation, the accessibility of the installation site, and any necessary electrical work or permits. Larger, whole-home generators tend to be more expensive to install than smaller, portable models. Additionally, if the installation requires extensive electrical upgrades or modifications to the home's electrical system, the overall cost can increase.