v3.3.1.900
Nature of business (Details)
12 Months Ended
Dec. 31, 2015
state
item
project
MW
Nature of business  
Gross generating capacity of project (in MW) | MW 2,138
Ownership interest in operational power generation projects (in MW) | MW 1,500
Number of operational power generation projects | project 23
Number of states in which power generation projects operate | state 11
Number of provinces in which power generation projects operate | item 2
Number of projects which are wholly owned | project 18