The Soyama Dam is a
gravity dam
A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation to oppose the horizontal pressure of water pushing against it. ...
on the
Shō River
The has its source in Mount Eboshi (烏帽子岳 ''Eboshigatake'') in the Shōkawa-chō area of Takayama, Gifu Prefecture, Japan. After flowing for through the northern part of Gifu Prefecture and the western part of Toyama Prefecture, it empt ...
in Soyama village about southeast of
Nanto in
Toyama Prefecture
is a prefecture of Japan located in the Chūbu region of Honshu. Toyama Prefecture has a population of 1,044,588 (1 June 2019) and has a geographic area of 4,247.61 km2 (1,640.01 sq mi). Toyama Prefecture borders Ishikawa Prefecture to the ...
,
Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
. It was constructed between 1927 and 1930. The dam has an associated 128.1 MW
hydroelectric
Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...
power station which was built in two parts. The first part of the power station (56.1 MW) was commissioned in 1930 and the second part of the power station (72 MW) was commissioned in 1967. Of the nine dams on the Shō River it is the third furthest downstream.
See also
*
Komaki Dam
The Komaki Dam is an arch-gravity dam on the Shō River about southeast of Shogawa in Toyama Prefecture, Japan. It was constructed between 1925 and 1930. The dam has an associated 90.2 MW hydroelectric
Hydroelectricity, or hydroelectric po ...
– downstream
*
Ohara Dam – upstream
References
{{Dams in Toyama Prefecture
Dams in Toyama Prefecture
Gravity dams
Dams completed in 1930
Dams on the Shō River
Hydroelectric power stations in Japan