The panel's amperage rating shows capacity; upgrading from 100A to 200A accommodates EV battery chargers, heat pumps

https://dallaspsmo511.keystonescope.com/posts/electrical-panel-essentials-how-power-gets-distributed-in-your-house

The panel's amperage ranking suggests capacity; upgrading from 100A to 200A accommodates EV chargers, heatpump, and high-demand appliances securely and reliably.