Visit to Plant

Sharp Contrast in Solar Power Generation Amounts on 2 Islands (page 5)

Panels inspected on-site

2019/07/19 23:03
Shinichi Kato, Nikkei BP Intelligence Group, CleanTech Labo
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In Adler Solar Works' service, the seriousness of the effect of the micro cracks in cells is evaluated and presented to clients in four levels from "A" to "D" based on the results of the I-V characteristic measurement and EL test (Fig. 5).

Fig. 5: Evaluations also expressed in different colors. Example of different power plant from mega-solar plants on Ukishima and Ohgishima. (source: Adler Solar Works)

"A" is mostly a favorable level, "B" is inferior to A in the number of cracks and I-V characteristics, while "C" and "D" are levels corresponding to defects. Such evaluations are indicated in different colors such as green, yellow and red.

According to Adler Solar Works, requests to implement solar panel inspection on-site using the "PV test car" are gradually increasing.

Facility overview