>>513
すでにソース出してるから。
http://mw.nikkei.com/sp/#!/article/DGXKZO17663720U7A610C1X93000/
https://electrek.co/2017/08/11/egeb-suniva-vs-amtech-and-california-india-at-3-4¢;kwh-for-solar-more/
https://www.bloomberg.co.jp/news/articles/2017-05-15/OPYZTA6KLVR601
http://www.newsweekjapan.jp/stories/world/2017/01/post-6741_1.php