Not sure if you mean financial cost, or possibly environmental / human losses - but since it's in the middle of a desert, I assume they're trying to minimize the risk?
China is getting smarter - but at what cost? https://www.bbc.com/news/technology-50658538
China's wind industrial policy "succeeded" – but at what cost? https://www.atlanticcouncil.org/blogs/energysource/chinas-wi...
China Invests in Environment – but at What Cost? https://www.usnews.com/news/best-countries/articles/2018-04-...
I just think it is funny