I got this link from google https://plus.google.com/+TheClimateGroup/posts/Ncpkjcy2oAS?cfem=1
A very interesting pic of a very large concentrating plant I believe...
https://plus.google.com/+TheClimateGroup/posts/Ncpkjcy2oAS?cfem=1
ADD: still not sure about the type of power generation,
http://www.businessgreen.com/bg/news/2326943/india-maps-out-ultra-mega-solar-power-project