Increasing greenhouse gases emissions and limited fossil fuel resources, are two of the most important challenges of the century. Thus, the use of renewable energy is quickly developing and progressing in most countries. One of the appropriate resources for supplying el
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Increasing greenhouse gases emissions and limited fossil fuel resources, are two of the most important challenges of the century. Thus, the use of renewable energy is quickly developing and progressing in most countries. One of the appropriate resources for supplying electricity is solar energy. Photovoltaic systems have several unique advantages including pollution-free industrial processes, small off-grid applications, and low cost of repair and maintenance.In this study, two photovoltaic power plants, each with 30 KW capacities, in Kerman and Sari cities were selected and their economic and environmental analysis were conducted based on climatic conditions and local solar radiation using Ret Screen software.Kerman City located in the best radiation zone of Iran with 5/2 Kwh/m2/day energy reception and Sari City situated in the least appropriate sun radiation zone with 3/9 Kwh/m2/day energy reception were selected in this study.Results revealed that the use of photovoltaic power plant would reduce CO2 emissions in Kerman and Sari by 36 and 9 tons per year, respectively. Also the payback period in Kerman and Sari would be 7/3 and 11/2 years. According to this research, the geographical location of the photovoltaic power plant is also very important. Thus, the payback period for Kerman was 4 years less than sari and the amount of Reduction CO2 emission in Kerman was 4 times higher than Sari.
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