PLTA (Hydroelectric Power Plant) Koto Panjang is located in XIII Koto Kampar District, Kampar Regency. Hydroelectric dam has a weir height of 96 m and a puddle of 12,400 ha with a water depth ranging from 73.5 to 85.0 m. This reservoir gets its main water supply from the Kampar River and the Batang Mangat River which head up in the province of West Sumatra. When the rainy season occurs, the…