The answer to 'which is better panel upgrade or' is that a panel upgrade is generally better than a simple replacement. A panel upgrade involves replacing the entire electrical service panel, which provides more benefits and is often a more comprehensive solution for homeowners.
A panel upgrade allows you to increase the electrical capacity of your home, add more circuit breakers, and ensure your electrical system meets current safety standards. This can be especially important if you have an older home or plan to add new electrical loads like electric vehicles, HVAC systems, or major appliances. While a panel replacement may be less expensive upfront, a panel upgrade provides more long-term value and flexibility for your home's electrical needs.