About this Site

Implementation of the OTEC Okinawa project was contracted to a consortium of three companies: IHI Plant Construction Co., Yokogawa Solution Services Co., and Xenesys Inc for FY 2012-FY2014. From FY2015, Xenesys Inc. has been entrusted with operation of the OTEC Okinawa Project. This website is maintained by Xenesys Inc. on behalf of Okinawa Prefecture.

All photos, graphics, and data are © Okinawa Prefecture. Please contact us if you would like to use any information, images, or graphics in publication or other distribution.

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Current Surface Seawater Temperature


Current Deep Seawater Temperature


(Updated 10/1/2022)

©2013-2022 Okinawa Prefecture.