I am thinking of adding an outdoor kitchen (small appliances, hood exhaust, no fridge or major appliances), workshop (typical bench tools that I have in my garage now), and 3 kW solar system. The workshop and outdoor kitchen would be two separate structures (about 8'x10' each) about 20 feet apart in backyard. The solar panel will be ground mounted just beyond the kitchen and workshop. Currently, I have a 100 Amp main panel with 200 Amp service meter (San Diego, CA). This panel has been suffic...