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ENVIRONMENTAL ASPECTS:


Site assessment conducted
Reference Panel approved
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Environmental

Kurobegawa No. 4 Power Plant, Canada
Positive sustainability aspect
Siting & Design
In order to minimise impacts on the natural values of the area, the Kurobegawa No. 4 Power Plant in Japan and all associated infrastructure (excluding the intake structure and the dam itself) are entirely underground.

Source: IEA Hydropower Implementing Agreement - Annex VIII.
tab1 Overview tab2 Details tab3 Other Aspects tab4 Further Information tab5
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Overview

The Kurobegawa No. 4 Power Plant lies on the Kurobe River system, within the rugged Chubu Sangaku National Park, Japan.

Kurobe Dam was completed in 1961 and commenced operation in 1964. Located 1300m above sea level in the Kurobe River Canyon, the scheme is situated in some of the most remote and inaccessible country in Japan. The site is also one of the most precipitous in the country, with average annual rain and snowfall of around 4000mm.

Construction of the Kurobe Dam was a massive joint undertaking between the Kansai Electric Power Co., Inc. and the World Bank, and was intended to meet the power demand associated with the rapid post-war economic recovery of Japan. At the time of completion, the Dam was the largest arc type dam in the world. At 186m in height it remains the largest of its kind in Japan.
Scheme Specifications

Dam name
Scheme operator
Kansai Electric Power Co., Inc.		 Size of scheme (MW)
335
Country
Toyama Prefecture, Japan		 Catchment area
184.5km2
River
Kurobe River		 Effective reservoir capacity
199.3 x 106m2
Construction years
Completed 1961
Commissioned 1964		 Reservoir size
3.45km2
External recognition
Nil
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