期刊
ENERGY ECONOMICS
卷 118, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.eneco.2022.106491
关键词
Electricity demand; Rooftop solar; Econometrics; Net energy metering
类别
We use panel data to analyze the demand for residential rooftop solar and the impact of net energy metering compensation. Our findings indicate that rooftop solar demand is highly price elastic and income elastic. We also find that there is a strong substitution effect between rooftop solar and utility-provided electricity due to poor residential rate design. Net energy metering has a significant positive impact on the demand for residential rooftop solar, leading to an increase in demand and bypassing of utility-supplied electricity.
We use a panel dataset of residential rooftop solar adoption for 27 states from 2008 to 2018 to estimate demand for rooftop solar and the impact of net energy metering compensation. We find demand is highly price elastic and that income is elastic as well. We find a large cross-price effect with respect to residential electricity price indicating that rooftop solar is a strong substitute for utility-provided electricity driven, in part, by poor resi-dential rate design that primarily recovers fixed system costs through volumetric charges. We find that net en-ergy metering has a large positive impact on the demand for residential rooftop solar, resulting in at least doubling of demand and in uneconomic customer bypass of utility-supplied electricity, as net energy metering not a market-based compensation rate. Our analysis lends support to ongoing state policy efforts to reform net energy metering and to improve electricity rate design.
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