Uryū Dam complex
Horokanai, Japan
The Uryu Dam is a dam complex in Kamikawa Subprefecture, Hokkaido, Japan on the Uryu River. It consists of two dams. It is a power generation dam managed by Hokkaido Electric Power Co., Inc., and is a gravity-type concrete dam with a bank height of 45.5 meters. Lake Shumarinai, which is an artificial lake, is more famous than a dam, but this lake is the largest artificial lake in Japan with a flooded area (the area of a dam lake). This record has not yet been broken since it was completed in 1943 (Showa 18) during World War II.
Power station data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).