Area and countries where the construction of OTEC is feasible
Potential areas and countries for OTEC are located within the range of 40 degrees north latitude to 40 degrees south latitude. The climate conditions required for the operation of an OTEC plant are satisfied in about 100 countries. (Fig.3) The total production of electricity (energy reserves) within the economic sea zone of Japan alone is estimated to be 1014KWh annually, the equivalent of 8.6 billion tons of oil.

Fig. 3 The worldwide distribution of temperature difference between seawater at the surface and at a depth of 1,000 meters.

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