What drives households’ choices of residential solar photovoltaic capacity?
What drives households’ choices of residential solar photovoltaic capacity?
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DOI：
10.1016/j.enpol.2022.113120
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发表时间：
2022-09
期刊：
影响因子：
9
通讯作者：
H. Shimada;Tomonori Honda
中科院分区：
文献类型：
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作者：
H. Shimada;Tomonori Honda
加强住宅太阳能光伏的采用极大地促进了能源部门的脱碳。然而，尽管扩大产能将增加太阳能的数量，但人们对是什么推动了家庭的产能选择知之甚少。为了弥合这一知识鸿沟，目前的研究利用了日本一家太阳能光伏安装商提供的关于家庭容量选择的披露数据，并对通过不同安装商安装了太阳能光伏系统的家庭进行了调查。描述性证据表明，2012年实施的日本上网电价大幅扩大了每台装机容量。披露的数据还记录了房屋属性、气象信息和市政人口统计变量，我们根据这些变量回归太阳能光伏发电能力。我们发现，容量是由安装额外容量的边际成本和边际收益决定的。调查结果表明，一旦获得家庭的信任，安装商在通过建议确定容量方面发挥着关键作用。因此，鼓励安装商扩大产能的政策干预可以提高太阳能的发电量。
Enhancing residential solar photovoltaic adoption greatly contributes to the energy sector's decarbonization. However, even though expanding the capacity will increase the amount of solar-derived energy, little is known about what drives households' capacity choice. To bridge this knowledge gap, the current study utilizes revealed data provided by a Japanese solar photovoltaic installer on households' capacity choices and conducts a survey of households that have installed solar photovoltaic systems through diverse installers. The descriptive evidence shows that the Japanese feed-in tariff implemented in 2012 drastically expanded capacity per installation. The revealed data also record house attributes, meteorological information, and municipality demographic variables, on which we regress the solar photovoltaic capacity. We found that capacity is determined by the marginal cost and marginal benefit of installing an additional capacity. The survey results suggest that installers play a critical role in determining capacity through recommendations, once they gain households' trust. Thus, policy interventions that incentivize installers to expand capacity can enhance the generation of solar-derived energy.