Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Ocean-thermal plant would be costly but fuel would be free and limitless

Journal Article · · Energy Res. Rep.; (United States)
OSTI ID:7295439
Commercialization of ocean thermal power plants is hampered more by capital costs than by a lack of technology. At twice the cost of a nuclear plant, ocean thermal-energy conversion (OTEC) developers must choose a standard design for power plants, design appropriately sized heat exchangers, and solve corrosion problems. OTEC's potential to utilize an inexhaustible free fuel supply with little environmental impact at a low operating cost will encourage a solution to the problem of capital costs. Based on concepts known since 1881, several companies are pursuing research programs and making feasibility studies with government support. ERDA, for example, is funding an ammonia-drive turbine concept. The diffuse energy in warm water will require efficiences as low as 2.5 to 3 percent, but this will help to minimize environmental effects. Offshore plants could transmit electricity directly to land, while mid-ocean plants could be used to synthesize ammonia for fuel or fertilizer. (DCK)
OSTI ID:
7295439
Journal Information:
Energy Res. Rep.; (United States), Journal Name: Energy Res. Rep.; (United States) Vol. 3:16; ISSN ERRED
Country of Publication:
United States
Language:
English