Hydroelectric Power Plants in Japan - Gunma

Fujiwara
Location: Gunma
Operator: Tokyo Electric Power Co
Configuration: 2 X 23 MW Francis
Operation: 1959
T/G supplier: Fuji

Photograph by Qurren (wikimedia)
Posted 27 Oct 2007

Naramata
Location: Gunma
Operator: Gunma Prefecture
Configuration: 1 X 12.2 MW Francis
Operation: 1989
T/G supplier: Hitachi
Quick facts: The 158m, rockfill Naramata Dam on the Tonegawa River is the third largest of its type in Japan. The facility has a public walkway from the dam foot to the top plus a visitor center with views of Lake Naramata and the Okutone mountains.

Photograph by Qurren (wikimedia)
Posted 31 Dec 2007

Sudagai
Location: Gunma
Operator: Tokyo Electric Power Co
Configuration: 2 X 22.4 MW Francis
Operation: 1955
T/G supplier: Fuji
EPC: Hazama
Quick facts: This 72m, concrete gravity dam on the Tonegawa River is said to be the first in Japan built with fly ash in the concrete. Construction started in 1952. The powerhouse is 70m below grade.

Photograph by Qurren (wikimedia)
Posted 9 Jan 2008

Abbreviations: MHI = Mitsubishi Heavy Industries, T/G = turbine generator, WWTP = wastewater treatment plant

Data: industcards, Platts UDI World Electric Power Plants Data Base

Updated 01/08/08

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