Your forgetting the energy needs of EV cars, factories, shopping centres, offices, high rise towers, high rise appartments, trucking, transport, office blocks, city blocks, city and suburban night lights, hotels, entertainment, airports, mining, trains, busses, shopping ports, airports, defence, rural, farming, the list is endless. House energy cannot exist only from its solar panels and a nations total energy needs from green sources are insurmountable when considering the quantum of transmission needs.