The panel's amperage score indicates capability; upgrading from 100A to 200A accommodates EV chargers, heat pumps

https://finnwkvv980.evergrovio.com/posts/the-anatomy-of-an-electrical-panel-a-visual-walkthrough

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