The answer to 'how much to replace generator in Illinois' is that the cost to replace a generator can vary significantly depending on several factors. Typical ranges for a residential generator replacement in Illinois can be anywhere from $3,000 to $15,000 or more, depending on the size, type, and complexity of the system.
Some key factors that influence the cost include the generator's wattage or power output, the type of fuel it uses (natural gas, propane, or diesel), the complexity of the electrical installation, and any necessary permits or inspections required by local authorities. Additionally, the accessibility of the installation site, the need for any structural modifications, and the labor costs in your specific area can all affect the overall price.