The panel's amperage ranking shows capability; upgrading from 100A to 200A accommodates EV battery chargers, heatpump

https://squareblogs.net/bitinevgjk/electrical-panel-security-tips-every-house-owner-need-to-know

The panel's amperage score suggests capability; updating from 100A to 200A accommodates EV battery chargers, heatpump, and high-demand home appliances securely and reliably.