The answer to 'how much to replace panel upgrade' is that the cost can vary significantly depending on several factors. Typically, a panel upgrade can range anywhere from $800 to $3,000 or more, depending on the size and complexity of the job.
Some key factors that influence the cost include the size of the electrical panel (typically 100-200 amps), whether the panel needs to be relocated, the age and condition of the existing electrical system, the need for any additional wiring or circuit upgrades, and the labor rates in your local area. It's essential to get quotes from licensed electricians in your area to get an accurate estimate for your specific project.