The Karnafuli water power plant is powered by water power. The project is located in Kaptai Upazila of Rangamati district, 50 kilometers away from the port city of Chittagong. In 1956, the construction of the block was started and ended in 1960. International Engineering Company and Utah International Inc. build 670.6 meters long and 45.7 meters high. A water dispenser or spillway is kept at 745 feet with 16 water litters for extraction of extraction and additional drainage. This spillway has the power to emit 5,25,000 cusec feet per second.