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General Information

Beginning of works: 1995
Completion: 2005
Status: in use

Project Type

Structure: Rockfill dam
Function / usage: Hydroelectric dam / plant

Location

Location: , ,
Coordinates: 36° 0' 15.84" N    138° 39' 14.40" E
Show coordinates on a map

Technical Information

Dimensions

height 136.0 m
retained water volume 19 170 000 m³
crest length 444.0 m
dam volume 7 300 000 m³

Excerpt from Wikipedia

The Minamiaiki Dam is a rock-fill embankment dam on the Minamiaiki River in Minamiaiki, Nagano Prefecture, Japan. Together with the Ueno Dam, it provides water for the Kannagawa Hydropower Plant owned by the Tokyo Electric Power Company. The Minamiaiki dam is the higher of the two dams. When completed, the station will have the largest power output of any pump-storage power plant in the world at around 2.82 GW. Since 2005 Unit 1 with installed capacity of 470 MW is in commercial operation. Commercial operation of Unit 2 is planned in 2012, commercial operation of all six units as late as 2020.

Text imported from Wikipedia article "Minamiaiki Dam" and modified on 23 July 2019 under the CC-BY-SA 3.0 license.

Relevant Web Sites

  • About this
    data sheet
  • Structure-ID
    20032828
  • Published on:
    01/11/2007
  • Last updated on:
    16/05/2015
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