Notification of Large-Scale Renovation of Hydraulic Power Stations

JNC CORPORATION (CEO & President: Michio Morita, Chiyoda-ku, Tokyo) will execute the large-scale renovation of hydraulic power stations owned by JNC in two locations in the Kumamoto and Miyazaki Prefectures.


The core business of JNC Group includes manufacturing, selling and research & development of liquid crystal materials and organic EL materials which are essential to a highly information-oriented society.  At the same time, we also regard the environment and energy groups as an important business domain and own run-of-river type hydraulic power stations (total maximum output of 93,200 kW) in 13 locations in the Kyushu area, and also work on photovoltaic power generation.


Our Company has maintained the power generation capacity of the hydraulic power stations by renovating obsolescent facilities based on long-term planning.  The oldest, Shirakawa Power Station, will celebrate the 100th-year anniversary in November 2014 since its foundation.  While the social demand for clean energy increasingly grows, our Company has sequentially promoted renovation of the hydraulic power stations so as to reinforce their power generation capacity in order to realize a stable supply of electric power.


Now, subsequent to five power stations already under renovation, our Company will also execute the large-scale renovation of Shirakawa Power Station and Takachiho Power Station.  We will achieve high efficiency of water wheels, power generators and so forth to increase the maximum output and the annual generation amount while keeping the approved water intake amount at the present level.  We will give sufficient consideration to the peripheral environment upon the renovation.


Hydraulic power generation is a precious, purely domestically produced energy having low carbon dioxide emission and which is friendly to the environment.  Our Company will take advantage of the power generation technologies cultivated so far to develop business activities with consideration for the natural environment and regional communities, and will contribute to the society by supplying stable clean energy in future years.


<Outline of Renovation>

(1) Power stations to be renovated

Shirakawa Power Station (Otsu-cho, Kikuchi-gun, Kumamoto)

Takachiho Power Station (Takachiho-cho, Nishiusuki-gun, Miyazaki)

(2) Existing maximum output (total)

21,800 kW

(3) Maximum output after renovation (total)

23,700 kW (annual power generation amount for about 35,000 houses)

(4) Investment

About 6 billion Yen

(5) Start of renovation

August 2014 (planned)

(6) Completion of renovation

December 2018 (planned)



Shirakawa Power Station

Takachiho Power Station