Sammakka Barrage (or Thupakulagudem Barrage) is a barrage across Godavari River at Thupakulagudem Village, Eturnagaram Mandal, Mulugu District of Telangana State. It stabilizes the existing irrigated area of 2,51,310 Hectare under J. Chokka Rao Devadula Lift Irrigation Scheme and 3,04,000 hectares of Sriram Sagar Project stages I & II with 50 TMC of water. Another 50 TMC will be used for providing drinking water to villages en route. Sammakka Hydro Electric Project has been planned for generation of 240MW (10 units of 24MW) through run-of-the-river generation. This hydro electric project is expected to be completed by Telangana State Power Generation Corporation Limited. From Wikipedia