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Status of OTEC and its Resource Assessment

Start: 2016 | End: Permanent

The main objectives are:

Estimation of potential:

The temperatures of surface sea water around the globe vary with season. While deep water temperatures have lower variation around the year the data is required for assessment of true OTEC resource present in the different oceans around the globe.

The depths for cold water pumping are also very much essential towards design of the cold water conduit. Even a coarse mapping of reasonable accuracy of temperatures and depths can lead to good resource assessment in individual region around the countries which are participating in the Annex.

Once each country puts together available information and carries out come additional measurements the data can be collated to use the country wise resource assessment towards a comprehensive Asian assessment

Status and plan of OTEC projects:

There is no collation of complete availability of work done on OTEC in various countries. A current status report of OTEC activities around the globe would be beneficial in furthering activities in this area.

Progress achieved and difficulties faced would be brought out so that there is no necessity of reinventing the wheel. Future plan of OTEC activities in the various regions of the globe also is important to see the future roadmap.

Thus compilation of the status and future plan for OTEC in each country would be very beneficial for any further multi-country activities.


This Task consists of two working groups (WG), and each WG task have one country as the lead and organizer. 

The roles of Working Groups are:

WG-1: Resource Assessment

  1. Literature Review
  2. Coordination of Member Countries participating in the Annex
  3. Soliciting inputs based on pre-fixed schedules
  4. Gather information from available source from other member countries
  5. Collation, presentation and documentation in the form of report and web page


WG-2: Status and Plans

  1. Prepare questionnaire
  2. Solicit information from participating countries
  3. Gather information from available sources from other member countries
  4. Collation, documentation in report form

Final results will be presented in a workshop to work on the future road map.



Status of OTEC Power Plants (May 2017)



Source: OES


The OES is organised under the auspices of the International Energy Agency (IEA) but is functionally and legally autonomous. Views, findings and
publications of the OES do not necessarily represent the views or policies of the IEA Secretariat or its individual member countries.