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OTEC has emerged a viable technology providing power 24ž7, with break-even point of economy at 40MW (net power) size below which power cost escalates. Proposal of larger sized plant deployment in China, Andaman´s and Hawaii are in progress. Prospect of royalty from OTEC by products, like distilled water from OC-OTEC; mineral water from deep ocean water (DOW); enhanced marine species/Phytoplankton growth (fisheries, weeds with medicinal & food values) with up-welled nutrient-laden DOW, air conditioning scope & Lithium extraction from DOW etc. - seem to make as if electricity is by product of OTEC, availed virtually free, if considered improved 2nd/3rd generation plants (improved thermo dynamic cycles & hybridization with solar energy). Hence, OTEC-driven power for hydrogen production by electrolysis is preferred than other RE systems, for hydrogen-fuel cell combine in its use as transport fuel. OTEC´s importance thus lies in providing food security, water & sustainable energy. This report on techno-economic analysis of OTEC would be helpful to fuel technologists, marine researchers, environmentalist seeking for sustainable growth and power engineers

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Graduated with Honours in Physics, from St. Xavier´s College, Ranchi, India, and completed masters in Energy Management(PGDEM) from IISWBM, India.Completed PhD from the Coventry University, UK, on ´Ocean Energy Assessment; An Integrated Methodology´ and Environmental Science as the major topic. Took up post doctoral fellowship at UTM Malaysia.

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