Submitted by SweatyCockroach8212 t3_11dqc17 in RhodeIsland
I've been keeping track of how much solar energy my panels generate. They were installed about halfway through February 2019. My tracker had a little bit of an outage in Sept & Oct 2019. But here's what I've got so far. I have 20 panels and a tree that fills in halfway through April and shades about 2 panels worth in the mid-afternoon. The number of panels was chosen to match my usage and the estimates given by the installer have been pretty close to exact.
I chose to pay for the panels myself which means I don't pay RI Energy for electricity anymore. Based on what I used to pay for monthly electricity vs. what I paid to install the panels, my break even point is around 6.5 to 7 years. The panels have a 20 year warranty for the amount of energy that the installers estimated.
jt_tesla t1_jaagtuf wrote
7-10 year return on investment is the average. That’s why it pays to shop around and get the initial cost down.