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The is a large
pumped-storage
Pumped-storage hydroelectricity (PSH), or pumped hydroelectric energy storage (PHES), is a type of hydroelectric energy storage used by electric power systems for load balancing. The method stores energy in the form of gravitational potential ...
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 in Asago, in the Hyōgo Prefecture
is a prefecture of Japan located in the Kansai region of Honshu. Hyōgo Prefecture has a population of 5,469,762 () and has a geographic area of . Hyōgo Prefecture borders Kyoto Prefecture to the east, Osaka Prefecture to the southeast, an ...
of 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 ...
.
With a total installed capacity of , it is one of the largest pumped-storage power stations in the world, and the largest in Japan.
The facility is currently run by the Kansai Electric Power Company.
Like most pumped-storage facilities, the power station utilizes two reservoirs, releasing and pumping as the demand rises and falls.
Construction on the facility began in 1970 and was completed in 1974.
Kurokawa Reservoir
The Kurokawa Reservoir, the upper reservoir, has a capacity of , a catchment area of , and a reservoir surface area of , and is held back by the Kurokawa Dam ja, 黒川ダム. Theembankment dam
An embankment dam is a large artificial dam. It is typically created by the placement and compaction of a complex semi-plastic mound of various compositions of soil or rock. It has a semi-pervious waterproof natural covering for its surface and ...
, located on the Ichi River, measures tall, wide, and is built with of material.
The dam is located at .
Tataragi Reservoir
The Tataragi Reservoir, the lower reservoir, has a capacity of , a catchment area of , and a reservoir surface area of , and is held back by the Tataragi Dam ja, 多々良木ダム. The dam measures tall, wide, and is built with of material. The dam is located at .
See also
*List of power stations in Japan
This page is a list of power stations in Japan that are publicly or privately owned.
List
Former power station
* Senju Thermal Power Station
See also
*Electricity sector in Japan
*Energy in Japan
*List of largest power station ...
Notes
{{Dams in Hyogo Prefecture Energy infrastructure completed in 1974 Hyōgo Prefecture Pumped-storage hydroelectric power stations in Japan