It will make two years on Dec 24 that my solar system was turned on and we are doing fantastic. Not only do we have $10 to $15 electric bills we get a check from our electric company every month in the hundreds. My wife loves to get a check along with low electric bills. I recommend to anyone that is looking to do it now don't wait, every month you wait you are losing money. RGS was 100% honest and right on the ball throughout the whole process. Florian Bourget