Abstract Grid integration of rooftop solar systems are increasing at a rapid pace throughout the world. Battery energy storage has become integral part of rooftop solar systems, as it provides a mean to best utilize the solar energy. Since, the battery performance degrades in the course of its utilization based on the nature of use (charging, discharging pattern and temperature) and it is one of the most expensive component of a rooftop solar system, its charging and discharging operation is required to be regulated in a judicial manner. Therefore, it is imperative to study the performance of rooftop solar batteries based on its actual charging and discharging profile that reflects the intermittency in solar irradiation and households electricity consumption pattern. This paper presents a generic methodology using Monte-Carlo simulation approach to evaluate performance of solar batteries considering uncertainties in solar and energy consumption pattern. The efficacy of the proposed approach has been verified using real solar generation and energy consumption data of Sydney CBD. The results show a clear insight to the performance of rooftop residential solar batteries over the span of its usage.

中文翻译：

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家用屋顶太阳能电池系统性能评估框架

摘要 屋顶太阳能系统的电网整合正在世界范围内快速增长。电池储能已成为屋顶太阳能系统不可或缺的一部分，因为它提供了一种最佳利用太阳能的手段。由于电池性能在使用过程中会根据使用性质（充电、放电模式和温度）而下降，并且它是屋顶太阳能系统中最昂贵的组件之一，因此需要对其进行充电和放电操作。以司法方式进行监管。因此，有必要根据反映太阳能辐照间歇性和家庭用电模式的实际充放电曲线来研究屋顶太阳能电池的性能。本文提出了一种使用蒙特卡罗模拟方法来评估太阳能电池性能的通用方法，该方法考虑了太阳能和能源消耗模式的不确定性。已使用悉尼中央商务区的实际太阳能发电和能源消耗数据验证了所提出方法的有效性。结果显示了对屋顶住宅太阳能电池在其使用范围内的性能的清晰洞察。