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Life Cycle Cost Analysis of Residential Grid-Connected Solar Photovoltaic Systems in Florida

机译:佛罗里达居民并网太阳能光伏系统的生命周期成本分析

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The main concern for adopting solar PV is the cost of PV systems and their higher unit price than grid price. This study uses four cities in Florida as cases to investigate the life-cycle cost, in the form of equivalent annual cost (EAC), and unit electricity price of various scenarios that apply solar photovoltaic (PV) system technologies to residential buildings. The study shows that currently the EAC of using distributed standalone PV systems increases when more electricity is generated by such systems. The unit electricity price is essentially determined by the aggregate unit price of electricity, which includes two parts, electricity consumption of a residence from both grid and PV systems. When the unit electricity price is less than the unit grid price during the study period, the investment on PV system becomes feasible. However, other factors may have a great impact on the life cycle cost including the cost of batteries, the replacement cycle of batteries and inverters, net metering, and rebate and incentive programs. The analyses in this study suggest that properly handling those factors may lead to a significant cost reduction, which in turn makes PV systems more affordable.
机译:采用太阳能光伏发电的主要问题是光伏发电系统的成本以及其单价高于电网价格。这项研究以佛罗里达州的四个城市为例,以等效年成本(EAC)和将太阳能光伏(PV)系统技术应用于住宅建筑物的各种方案的单位电价的形式,研究了生命周期成本。研究表明,当前当使用分布式独立光伏系统发电时,其EAC会增加。单价基本上由总的单价决定,包括两部分,即电网和光伏系统的住宅用电量。在研究期间,当单位电价低于单位电网价时,对光伏系统的投资就变得可行。但是,其他因素可能会对生命周期成本产生重大影响,包括电池成本,电池和逆变器的更换周期,净计量以及折扣和奖励计划。这项研究中的分析表明,正确处理这些因素可能会导致显着降低成本,从而使光伏系统的价格更便宜。

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