Review for CertainTeed (dupe 5277)

11/03/2021
Wayne P La Mesa, CA

Seeing a drop off in performance on Apollo II shingles

I have a 10.6 kw using the Apollo II shingles. After 5 years, I am seeing a drop off of more than 15% in production. I am not sure if this is normal, but I wouldn't think so. The drop off started immediately. I wash them annual.

System size (kW): 10.6

System price: $38,000

Who installed your solar panels?: ISecure Solar

Year installed: 2015

Price include the Federal Tax Credit or incentives: Yes