From your source, it's "at least 4 times more expensive", while at the same time it doubts the correctness of the numbers on large-scale plants and thinks it's too low.
Besides, it's all numbers from 4 years ago, when people weren't all putting solar panels on their balconies. And the report about gains from scale mention things like the lack of tracking in small scale installations, that the large-scale ones haven't used for many years now. So propose that your numbers are all wrong.
Besides, it's all numbers from 4 years ago, when people weren't all putting solar panels on their balconies. And the report about gains from scale mention things like the lack of tracking in small scale installations, that the large-scale ones haven't used for many years now. So propose that your numbers are all wrong.