Tsubawara Dam

The Tsubawara Dam, also known as the Tsubakihara Dam, is a gravity dam on the Shō River about 5 km (3.1 mi) north of Shirakawa in Gifu Prefecture, Japan. It was constructed between 1952 and 1953. The dam has an associated 107 MW hydroelectric power station which was built in two parts. The first part of the power station (42 MW) was commissioned in 1954 and the second part of the power station (65 MW) was commissioned in 1975. Of the nine dams on the Shō River it is the seventh furthest downstream.[1][2]

Tsubawara Dam
Overview of the dam in 1977
Location of Tsubawara Dam in Japan
CountryJapan
LocationShirakawa, Gifu Prefecture
Coordinates36°18′45″N 136°53′51″E
PurposePower
StatusOperational
Construction began1952
Opening date1953
Dam and spillways
Type of damGravity
ImpoundsShō River
Height68.2 m (224 ft)
Length201.7 m (662 ft)
Dam volume163,000 m3 (213,000 cu yd)
Spillway typeCrest overflow, 7 tainter gates
Reservoir
Total capacity22,274,000 m3 (18,058 acre⋅ft)
Active capacity5,788,000 m3 (4,692 acre⋅ft)
Catchment area665.7 km2 (257.0 sq mi)
Surface area1.16 km2 (0.45 sq mi)
Normal elevation460.5 m (1,511 ft)
Power Station
Operator(s)Kansai Electric Power Co., Inc.
Commission dateOriginal: 8 January 1954
New: 27 March 1975
Hydraulic headOriginal: 65.30 m (214.2 ft)
New: 62 m (203 ft)
TurbinesOriginal: 1 x 42 MW Francis-type
New: 1 x 65 MW Francis-type
Installed capacity107 MW

See also

References

  1. "Kansai Electric Power Tsubawara power plant" (in Japanese). Suiryoku. Retrieved 28 July 2013.
  2. "Kansai Electric Power new Tsubawara power plant" (in Japanese). Suiryoku. Retrieved 28 July 2013.
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