All photovoltaic plants where examined with the use of a thermal camera in order to manually identify panels with hotsports and other problems.

Indicative color-coded thermal images of photovoltaic panels with hotspots are shown in the following photos. Yellow colored areas are areas with higher temperatures.

(a) (b)
(c) (d)
(a-d) Color coded thermal images of photovoltaic panels. Yellow colored areas are areas with higher temperatures.