A. There is a problem with the DAS because the peak sun hours do not correlate with production values and the das should be repaired.

B. The system has experienced above-average degradation and a module warranty claim should be explored.

C. There is an intermittent inverter failure that is causing production to be lower than expected and the inverter should be repaired.

D. A combination of normal module degradation combined with cloudy weather has caused lower output in the past few years.