Of course, solar panels is very useful nowadays, some country spend thousands of euros for impoving this way of receiving the energy.
The biggest solar farm is located in China in the desert.

Tengger Desert Solar Park was the biggest one in 2018
It is located in Zhongwei, Nixia, China. It covers an area of 43 km2. In 2018, it was the solar park with the largest peak power capacity (1,547 mw).

it is interesting to know where the lagers solar panel farm is located, but there are no numbers, is it profitable, is it working, how much electricity it produced. No answers