The answer to 'how much to replace generator installation in Chicago' is that the cost can vary significantly depending on several factors. As a general range, a typical generator installation in the Chicago area can cost 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 electrical work required, the accessibility of the installation site, and any necessary permits or inspections. Larger whole-home generators tend to be more expensive to install than smaller portable models. Additionally, if the installation requires extensive electrical work, such as upgrading the electrical panel or running new wiring, the costs can increase substantially.