Optimal Performance Analysis of Hybrid Photo-Voltaic/Thermal-Geothermal System in Critical Geographical Locations

Kondapalli Sivarama Rao, Raga Mounika, Devi Supriya

Abstract


Environmental friendly solar and geothermal renewable energy sources provide space heating, hot water, cold water and electrical energy to residents in cold geographical locations by using hybrid PV/thermal system along with energy efficient ground source heat pump technology. A hybrid geothermal-solar power plant utilizes ground as a heat source or a sink for heating and cooling. This paper presents the simulation studies on hybrid geothermal-solar power plant by using the renewable energy software, POLYSUN, on ground source loop regeneration by hybrid PV/thermal system considering seven critical geographical locations in India.  Important parameters which significantly affect the system performance on four geothermal hot spring areas and three non-spring areas are analyzed. Simulation test results of important parameters such as CO2 savings, power fed to the external grid, total energy demand etc., are compared and the most feasible optimal locations to install the hybrid system which provides space heating, hot water, and electrical energy is selected.


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