Upper Siang Hydroelectric Project

The Upper Siang Hydroelectric Project, also known as the Upper Siang Multipurpose Project or Siang Upper Multipurpose Project (SUMP) is the biggest hydroelectric power project planned in the Upper Siang district of Arunachal Pradesh, India. Projects planning was commenced by the National Hydroelectric Power Corporation (NHPC) in April 2009 and various hydro dams will be constructed in phases over a span of 15–20 years.

Source: Wikipedia — Upper Siang Hydroelectric Project (CC BY-SA 4.0)