When all of the 16 weirs are in operation in the end of the year, the environment-friendly energy resources will be generated and it will contribute to relieve the electric power shortages. The total generating capacity of all 16 small hydroelectric power plants is 5,756 kW and an annual production is 271 million kWh. This is more than half of the annual generating capacity of Paldang Dam and good enough amount for the population of 250,000. It is also predicted to substitute for the crude oil importation of 454,000 barrels and to reduce carbon dioxide release by 183,000 tons.
Water is being discharged energetically out of the small hydroelectric power plant pipe the Sejong Weir.