Sustainability of Renewable Energy Systems with Special Reference to Ocean Thermal Energy Conversion Schemes
作者机构：Universiti Teknologi MalaysiaOTECMalaysia
出 版 物：《Non-Metallic Material Science》 (非金属材料科学（英文）)
年 卷 期：2022年第4卷第2期
页 面：33-48页
学科分类：0202[经济学-应用经济学] 02[经济学] 020205[经济学-产业经济学]
主 题：Sustainability OTEC SOTEC Bio-fuel GHG emission Flora and fauna Quality of life Hydrogen Commercial acceptability
摘 要：It was required to determine relative merits of commonly used renewable energy(RE)systems for which estimation of their individual sustainability percent achievable was chosen as the single criterion assessment *** methodology developed for estimating sustainability included identification of individual sustainability indices(SI)and examining the scope of sustainability percent input/kWh power generation for each of SI indices and summing them up estimating total sustainability accrued from respective RE *** RE systems studied included photo-voltaic(PV)cells,bio-fuels,on-shore&off-shore wind energy and OTEC *** power plant being commercially viable was studied as the referral energy *** SI indices identified for study included resource potential,greenhouse gas saving,influence on flora&fauna,effects on human health,land loss aspects,food and potable water security,economy evaluation,and improvement in quality of life from economic *** sustainability achievable showed the highest in OTEC,followed by wind,bio-fuels and PV,*** index on quality of life showed RE schemes like OTEC&bio-fuels competing equally with coal power plant having poor sustainability with the least power generation cost;whence Hybrid OTEC showed the highest sustainability with high power production *** fold approaches have been suggested for reducing power generation cost of OTEC.(i)Adopting economically viable scheme of not less than 40 MW.(ii)Heating up the working fluid with solar irradiation,terming SOTEC scheme.(iii)Saving cable laying cost,from hydrogen production utilizing the power generated.(iv)Hybridization of OTEC scheme.
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