Looking High and Low: Incentive Policies and Residential Solar Adoption in High- and Low-Income U.S. Communities

Xiaojing Xu, Charles Sims, Chien-fei Chen, J. Scott Holladay, Gerald Jones and Tim Roberson
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Xiaojing Xu: Department of Business Analytics and Statistics, University of Tennessee, Knoxville, TN 37996, USA
Chien-fei Chen: Department of Sociology, Anthropology, Criminal Justice, Clemson University, Clemson, SC 29634, USA
J. Scott Holladay: Department of Economics, University of Tennessee, Knoxville, TN 37996, USA
Gerald Jones: Department of Industrial and Systems Engineering, University of Tennessee, Knoxville, TN 37996, USA
Tim Roberson: Baker School of Public Policy, University of Tennessee, Knoxville, TN 37996, USA

Energies, 2024, vol. 17, issue 18, 1-17

Abstract: Rooftop solar adoption has increased considerably in recent years thanks to a combination of lower panel costs and generous incentive programs. This paper estimates the increase in residential rooftop solar adoption associated with three types of solar incentive programs and isolates the effect of these programs in both high and low-income census tracts. We utilize a dataset of census tract-level rooftop solar adoption compiled using a machine learning-based image classification tool that identifies solar photovoltaic panels from satellite images. This allows us to study areas of the country that have lower solar adoption rates and incomes than areas previously studied. We find evidence that programs designed specifically to encourage adoption in low-income areas are associated with a smaller gap between low- and high-income solar adoption. However, property-tax benefits and net metering, which are more prevalent across the U.S., are associated with an increase in the gap between low- and high-income solar adoption.

Keywords: rooftop solar; net metering; property tax incentives; low-income assistance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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