The registration for the 2018 will be announced here soon.


Queries concerning the 6th International OTEC Symposium can be directed to info[a]

OTEC Symposium

With previous symposia held in Hawaii, Korea,  Malaysia, The Netherlands, and France, this year’s edition of the annual International Ocean Thermal Energy Conversion (OTEC) Symposium will be held in Okinawa, Japan, home to Okinawa’s OTEC demonstration facility, which has been in operation since 2013.

The International OTEC Symposium serves as the largest annual gathering of people working on Ocean Thermal Energy Conversion.  The symposium gathers OTEC industry experts, NGO’s, and governments from all over the world to discuss the state of the industry. Two days of unique and interactive sessions and a wide variety of international speakers, from key players in the OTEC industry to energy markets and finance experts, and from NGO’s to government representatives from all over the world.

Event Details

We are pleased to announce the 6th International OTEC Symposium will be held on September 26-27, 2018. More details will follow as the event logistics are finalized, however, there will also be an optional tour available to the  Okinawa OTEC Demonstration Facility and Deep Seawater Industries on Kumejima, Okinawa on September 28.

The 9th Okinawa Hawaii Ocean Energy and Economic Development Symposium and Workshop and 2018 Kumejima Hawaii Festival will also be held on Kumejima September 28-29, 2018.

We look forward to seeing you in Okinawa.

Tentative Schedule

Symposium news

The 6th International OTEC Symposium will take place September 26-27, 2018 in Okinawa.

What is OTEC?



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