Residential One-Line: Utility Transformer to a 200 A Panelboard and Grounding

A one-line from a 7.2 kV pole transformer through the meter and a 200 A main to a panelboard with range, dryer, water heater, A/C and EV circuits, with the grounding electrode system, a 4 AWG GEC, a 2/0 AWG service conductor and a 179.1 A calculated demand.