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GSHP Project Feasibility and Sensitivity Analysis with RETScreen
Muhammad Hafiz Ali(알리),Lee Kwang Seob(이광섭),Baik Young Jin(백영진),Lee Euy Joon(이의준) 대한설비공학회 2016 대한설비공학회 학술발표대회논문집 Vol.2016 No.6
Ground Source Heat Pump (GSHP) is a highly efficient renewable and a clean energy source. The escalating interest in clean and renewable energy technologies is primarily to decrease dependence on limited primary fuels. GSHPs rely on the fact Earth surface temperature remains comparatively constant throughout the year, warmer than air in winter and cooler than air in summer. The feasibility of GSHP project is dependent on location and type of application. In present study the feasibility analysis of GSHP is done for different buildings at different locations using RETScreen 4. RETScreen 4 is free user friendly, excel based interface, developed by Canadian government (RETScreen | Natural Resources Canada) with build in climate data base, can be used in cost and time efficient wat to study the feasibility of Renewable Energy Technologies. Natural gas is selected as a base case for heating and electricity for cooling. Using RETScreen 4 it’s compared to proposed case in which load is shared or completely provided by GSHP. In conclusion, GSHP leads to considerable reduction in fuel consumption but its financial impact are quite sensitive to location, base case and nature of demand.