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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/77227

    Title: 依據地熱能重新思考聖基茨島的能源未來;Rethinking the Energy Future of St. Kitts based on The Geothermal Power
    Authors: 朗道•菲利浦;Philip, Rhondel Devyn A.
    Contributors: 國際永續發展碩士在職專班
    Keywords: 加勒比海地區;地熱能;可行性初步評估;敏感性分析;溫室氣體排放;Caribbean;geothermal energy;pre-feasibility assessment;sensitivity analysis;greenhouse gas emission
    Date: 2018-07-16
    Issue Date: 2018-08-31 14:27:47 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 儘管加勒比海島嶼擁有大量現成的再生能源,包括太陽能,風能,地熱能和生物質能源,但它們仍面臨嚴重依賴並依賴進口化石燃料,能源部門面臨諸多挑戰。像聖基茨和尼維斯聯邦等小島嶼的發展中國家從政府獲得能源補貼,但從經濟角度看,這不能被視為長期解決辦法。長期和更大的經濟解決方案是通過引入再生能源技術使能源結構多樣化,從而減少對進口化石燃料的依賴,也創造長期的能源安全,這一直是加勒比海國家領導人的首要議程。

    ;The islands of the Caribbean, despite their large amounts of readily available renewable energy resources, including solar energy, wind power, geothermal energy, and biomass, face many challenges to their energy sectors as they are still heavily dependent and rely on imported fossil fuel for their energy production. Small island developing states such as the federation of St. Kitts and Nevis, receive subsidies from the government but economically this cannot be seen as a long term solution. A long term and much greater economic solution would be to decrease the dependency of imported fossil fuel by diversifying the energy mix with the introduction of renewable energy technologies, thus creating long term energy security which has been the top agenda for Caribbean leaders.
    The main goal of this thesis is to analyse the energy sector of St. Kitts and demonstrate how we can achieve energy security by implementing the use of geothermal energy as our renewable energy technology to cover baseload. With geothermal there is the added advantage of it being a god source of energy with practically no harmful emissions, exceptionally constant source of energy doesn’t depend on the climate, high efficiency with little to no maintenance. There are moderately large areas of steaming ground in the crater of Mount Liamuiga, as well as thermal springs along the western shoreline.
    The pre-feasibility assessment of the proposed geothermal power plant is evaluated using RETScreen simulation software, through the performance of an energy production analysis, financial analysis and greenhouse gas (GHG) emissions analysis. An annual electricity generation of roughly 183,700 MWh with an energy production of 22 MW were the initial results obtained, this is about 51% of electricity installation capacity of present St. Kitts. The net present value (NPV) which should have a positive value, internal rate of return (IRR) which should be equal or greater than the discount rate, simple payback period (SPP) which measures the time it takes to recover the initial investment, benefit-cost ratio (B/C) which should be greater than 1 and energy production cost (EPC) which could be used calculate the avoided cost of energy for the project to break even where used as financial indicators which gave profitably indications for the development of the geothermal power plant project.
    The sensitivity analysis shows the most sensitive variable affecting profitability and as the initial cost of the plant decreases with a feed in tariff of USD 0.078 per kWh the project will be highly attractive financially and economically. This study also performs an environmental GHG emissions analysis and it is found that some 48,562 tons of CO2 per year, which equivalent to without consuming 112,935 barrels of crude oil.

    Appears in Collections:[國際永續發展在職專班] 博碩士論文

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