Welcome to Tanaka Hydropower

Founded in 1932, Tanaka Hydropower has a long standing history within the hydropower market. Currently, we are the domestic market leader in the design, implementation, repair and renovation of micro hydroelectric systems. We provide complete water to wire solutions and offer a comprehensive selection of turbines, generators and controllers. It is our mission to continually offer high quality and cost effective solutions which fit the changing needs of our customers.



Sales Office Relocation Notice

As of July 24, 2014, sales office have moved to the head office/factory.


Relocation Notice

As of May 7, 2014, we have moved our head office/factory to the location below.

4-3-15, Minamihashimoto, Chuo-ku, Sagamihara-shi,

Kanagawa-ken, 252-0253, Japan

TEL: +81-42-703-0981

FAX: +81-42-770-1981

*Please note that our phone and fax numbers have also changed.


Tanaka Hydropower awarded the 2011 Japan Creation Award

2011.12.01 Tanaka Hydropower chosen as one of the "100 small businesses that will save Japan" by Newsweek Japan
2011.09.09 Inline Linkless Hydropower brochure (English) available 
2011.02.18 Kokaigawa hydropower plant goes into operation.
2011.01.26 Togawa hydropower plant goes into operation.
2010.09.03 Update of Tanaka Hydropower website
2010.05.15 Tanaka Hydropower designed turgo impulse runner installed at the Maguse River Hydroelectric Plant.
2010.05.01 Linkless Francis turbine installed at Serizawa water station.