I have a house with a 100A panel & am adding 2 60 A breakers to the existing 6 20A ,4 15A, 2 30A 220v 1 50A 220v Do I have enough to use the 100A panel or do I have to upgrade. I have a 150 A panel with all the breakers I need. If so, what size meter can do I use 100A or 200A?