Kurobe Hydropower Museum
History of Power Development on the Kurobe River
- 1917
-
Dr. Jokichi Takamine sets up a plan to establish an aluminum company as a joint Japan-U.S. venture
Survey begins for the development of Kurobe River as a power source - 1918
- Application made for the water rights of the Kurobe River (Toyo Aluminum: Dr. Jokichi Takamine, et al.)
- 1919
- Japan Electric Power Inc. established
- 1920
- Excavation of Suihei Trail commences from Keyakidaira towards the upper stream
- 1923
-
Railway to Unazuki opens; Unazuki Hot Springs established
Railway construction to the upper stream commences - 1924
- Japan Electric Power Inc. commences construction of the Yanagawara Power Plant
- 1927
- Yanagawara Power Plant commences operating
- 1928
- Survey of the Kuroyon site commences
- 1929
-
Nichiden Trail and Suihei Trail are completed
(Between Keyakidaira and Kurobe Dam today)
Survey team walking on Nichiden Trail - 1933
- Construction of the Kurobe River No. 2 Power Plant commences
- 1936
-
Aimoto Power Plant commences operating
Construction of the Kurobe River No. 3 Power Plant commences
Kurobe River No. 2 Power Plant commences operating - 1937–1940
-
Construction of the Kurobe Gorge train tracks to Keyakidaira completed
Kurobe River No. 3 Power Plant construction encounters high-temperature ground zone and massive surface avalanche
(Referenced in the book Konetsu Zuido by Akira Yoshimura) - 1940
-
Kurobe River No. 3 Power Plant commences operating
Kurobe River No. 3 Power Plant - 1947
- Kuronagi No. 2 Power Plant commences operating
- 1949
- Kuroyon development plan announced
- 1951
- Reorganization of electric power industry; The Kansai Electric Power Company Inc. takes control of the Kuroyon development plan
- 1956
- Construction of the Kurobe River No. 4 Power Plant commences
- 1957
- Excavation of Ohmachi Route Tunnel encounters fracture zone; breaks through after 7 months
- 1958
- Full Ohmachi Route opens
- 1959
-
Full Kurobe Route opens
Kurobe Dam under construction - 1961
- Kurobe River No. 4 Power Plant commences operating
- 1963
- Shin Kurobe River No. 3 Power Plant commences operating
- 1966
- Shin Kurobe River No. 2 Power Plant commences operating
- 1971
- Kurobe Gorge Railway Co., Ltd. established
- 1985
- Otozawa Power Plant commences operating
- 1987
- Kurobe Hydropower Museum opens
- 1990
-
Construction begins on the newly established Unazuki Power Plant
Construction begins to relocate the Yanagawara Power Plant - 1992
- Suspension of operations at the Yanagawara Power Plant
- 1993
-
Shin Yanagawara Power Plant commences operating
Shin Yanagawara Power Plant - 1995
- Aimoto Power Plant output power enhanced
- 1996
- Aimoto Power Plant output power enhanced
- 2000
- Unazuki Power Plant commences operating
- 2005
- Shin Kurobe River No. 3 Power Plant output power enhanced
- 2012
- Shin Kuronagi No. 2 Power Plant commences operating
- 2014
-
Shin Kurobe River No. 3 Power Plant output power enhanced
Kurobe River No. 3 Power Plant output power enhanced - 2015
- Dashidaira Power Plant commences operating
- 2017
- Kurobe River No. 2 Power Plant output power enhanced