Nabara Dam
| Nabara Dam | |
|---|---|
Interactive map of Nabara Dam | |
| Location | Hiroshima Prefecture, Japan. |
| Construction began | 1971 |
| Opening date | 1976 |
| Dam and spillways | |
| Impounds | Nabara River |
| Height | 85.5 m |
| Length | 305 m |
| Reservoir | |
| Total capacity | 5,568,000 m3 |
| Catchment area | 12.0 km2 |
| Surface area | 24 hectares |
Nabara Dam is a rockfill dam on the Nabara River (also known as Nanbara River) in Hiroshima Prefecture, Japan. It impounds a reservoir that supplies the Nabara pumped-storage hydroelectric power station operated by Chugoku Electric Power Company.[1]
History
Construction began in 1971 and the dam was completed in 1976, coinciding with the start of commercial operations at the associated power station.
Design and specifications
The structure has a height of 85.5 meters and a crest length of 305 meters. The reservoir has a surface area of 24 hectares and total storage capacity of 5,568,000 cubic meters, with a catchment area of 12 square kilometers.
Power generation
The Nabara Power Station is a pumped-storage facility with an installed capacity of 620 MW, provided by two reversible Francis pump turbines each rated at 310 MW.
References
- ^ "Power plant profile: Nabara, Japan". Power Technology. Retrieved 2026-02-12.