As there are two types of Grid based solar kits available in the market: Grid tie solar kits, Off Grid solar kits and Solar Racking Systems available in the market. You need to choose the appropriate solar kits according to the installation facilities available in the market. In Mount Vernon, WA, USA these Grid Tie and Off grid products are much popular. Some Grid Tie products are Micro Inverter Kits, Refrigerator-Freezer, and SMA America String Inverter Kits, etc. they can come with pitch roof mounting and ground mount system to provide a best energy saving and storing purpose.