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 | |
| Country | Japan |
| Location | Shirakawa, Gifu Prefecture |
| Coordinates | 36°18′45″N 136°53′51″E |
| Purpose | Power |
| Status | Operational |
| Construction began | 1952 |
| Opening date | 1953 |
| Dam and spillways | |
| Type of dam | Gravity |
| Impounds | Shō River |
| Height | 68.2 m (224 ft) |
| Length | 201.7 m (662 ft) |
| Dam volume | 163,000 m3 (213,000 cu yd) |
| Spillway type | Crest overflow, 7 tainter gates |
| Reservoir | |
| Total capacity | 22,274,000 m3 (18,058 acre⋅ft) |
| Active capacity | 5,788,000 m3 (4,692 acre⋅ft) |
| Catchment area | 665.7 km2 (257.0 sq mi) |
| Surface area | 1.16 km2 (0.45 sq mi) |
| Normal elevation | 460.5 m (1,511 ft) |
| Power Station | |
| Operator(s) | Kansai Electric Power Co., Inc. |
| Commission date | Original: 8 January 1954 New: 27 March 1975 |
| Hydraulic head | Original: 65.30 m (214.2 ft) New: 62 m (203 ft) |
| Turbines | Original: 1 x 42 MW Francis-type New: 1 x 65 MW Francis-type |
| Installed capacity | 107 MW |
References
- "Kansai Electric Power Tsubawara power plant" (in Japanese). Suiryoku. Retrieved 28 July 2013.
- "Kansai Electric Power new Tsubawara power plant" (in Japanese). Suiryoku. Retrieved 28 July 2013.
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