The answer to 'how much to replace generator' is that the cost to replace a generator can vary widely depending on several factors. As a general range, you can expect to pay anywhere from $500 to $10,000 or more to replace a generator, with most homeowners spending between $3,000 to $8,000.
The specific cost will depend on the size and type of generator, the brand, the complexity of the installation, and any necessary electrical work or permits. Larger, whole-home generators at the high end of the range are more powerful and require more complex installation. Smaller portable or standby generators are typically less expensive. Additionally, the cost can vary significantly based on your local market and the specific contractor you hire.