Komaki Dam

Dam in Shogawa, Toyama Prefecture

36°33′24″N 137°0′30″E / 36.55667°N 137.00833°E / 36.55667; 137.00833PurposePowerStatusOperationalConstruction began1925Opening date1930Dam and spillwaysType of damArch gravityImpoundsShō RiverHeight79.2 m (260 ft)Length300.8 m (987 ft)Dam volume289,000 m³ (378,000 cu yd)Spillway typeCrest overflow, 17 tainter gatesReservoirTotal capacity37,957,000 m³ (30,772 acre⋅ft)Active capacity18,858,000 m³ (15,288 acre⋅ft)Catchment area1,100 km² (420 sq mi)Surface area145 ha (360 acres)Power StationOperator(s)Kansai Electric Power Co., Inc.Commission date5 November 1930Hydraulic head68.46 m (224.6 ft)Turbines4 x 22.55 MW Francis-typeInstalled capacity90.2 MW^[1]

The Komaki Dam is an arch-gravity dam on the Shō River about 2.5 km (1.6 mi) southeast of Shogawa in Toyama Prefecture, Japan. It was constructed between 1925 and 1930. The dam has an associated 90.2 MW hydroelectric power station which was commissioned in 1930. Of the nine dams on the Shō River, it is the second-furthest downstream.^[2]

References

^ "Kansai Electric Power Komaki power plant" (in Japanese). Suiryoku. Retrieved 15 July 2013.
^ "Komaki dam" (in Japanese). Japan Dam Handbook. Retrieved 15 July 2013.