Electricity from the Sea

by Frank McHale, (M.ASCE), Proj. Mgr.; Dillingham/Hawaiian Dredging, Honolulu, Hawaii,

Serial Information: Civil Engineering—ASCE, 1980, Vol. 50, Issue 6, Pg. 73-75

Document Type: Feature article

Abstract: In Hawaii, the state, Lockheed Space and Missile Co. and Dillingham Corp. have conceived, designed and built the first prototype ocean thermal energy conversion plant. OTEC uses the 40°F temperature difference between the surface and bottom of the ocean to vaporize ammonia which drives a turbine-generator and is than condensed to begin a new cycle. The prototype plant produces 50 kw for a net gain of 10 kw. Also included is a brief overview of the state of OTEC in the U.S.

Subject Headings: Hawaii | Oceans | Thermal power

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