The answer to 'how much to replace generator installation in Chicago' is that the cost can vary widely depending on several factors. Typically, a full generator installation in the Chicago area can range from $3,000 to $10,000 or more. The final price will depend on the size and type of generator, the complexity of the installation, the accessibility of the site, and the experience level of the electrician or contractor.
Larger, whole-home generators tend to be more expensive to install than smaller, portable models. Additionally, if the installation requires significant electrical work, such as upgrading the home's electrical panel or running new wiring, the costs can increase significantly. It's essential to get multiple quotes from licensed, reputable electricians in your local area to get an accurate estimate for your specific project.