Jun 03, 2003 · KUKULE GANGA hydro power project is a run-of-river type power plant designed to harness the tributary Kukule Ganga of Kalu river, one of the five main rivers in Sri Lanka. The project is located 90km south east of Colombo, lying in a 10km long stretch of the river in which river drops by about 190m while on its way from the upper reaches to