Request a Tour Appointment

If you would like to visit this facility, please fill out the form below. Generally, we can show the facility between 9am to 5pm on Weekdays (advanced reservation is required). If a weekday is difficult, please contact us.

We can guide in Japanese or English. If you prefer Japanese, please let us know in the remarks. If you are unable to use the form below, please contact admin[a]gosea.info or call +81 98-896-8656 and ask for Benjamin.

Please note that this facility may not be operating at the time of your visit depending on the test schedule and maintenance. Please note the Okinawa Deep Ocean Water Research Center is focused on research and development, and some portions are not accessible or available for visits.

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If you do not recieve an reply within 4 days please check your spam folder or resend your application.

Contact Us

Facility Location

OTEC Okinawa is located on the Okinawa Prefecture Deep Seawater Research Center grounds in the Maja area of Kume Island.

Address: 500-1 Maja, Kumejima-cho Shimajiri-gun, Okinawa 901-3104, Japan

Email: admin [at] gosea.info

Operating Company Information

Address: Xenesys, Inc., 6F Z Building, 7-10-1 Kameido, Koto-ku, Tokyo 136-0071, Japan

Phone: 03-6441-2153

Email: info [at] xenesys.com

"Ocean Thermal Energy Conversion Power Generation Demonstration Test Equipment Maintenance and Management Operations" Implementing Body

Okinawa Prefecture Industrial Policy Division

Address: Administrative Building (north side), 1-2-2 Izumizaki, 8th Floor, Naha, Okinawa, 900-8570, Japan

Phone: 098-866-2330

Current Surface Seawater Temperature

23.4°C

Current Deep Seawater Temperature

9.4C

(Updated 4/1/2022)

©2013-2022 Okinawa Prefecture.