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Low-Income Residential Solar: A SASH Evaluation

By Jeff Knaide

In this paper, I examine the impacts of California’s Single-Family Affordable Solar Housing (SASH) subsidy on the rate of adoption of residential solar power. The SASH program looks to provide low-income families with a sizeable subsidy to install residential solar panels. Eligibility for the program depends on income, among a few other factors. This work represents part of a small body of energy justice literature, and the only existing evaluation of SASH. Zip-codes with higher eligibility (based on income levels) showed a significantly higher number of adoptions when controlling for important characteristics, specifically median income. While this policy did generate low-income adoptions, it does not offer a strong carbon abatement strategy – low-income households require greater financial support than might higher-income households.

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Advisor: Chris Timmins | JEL Codes: Q29


Undergraduate Program Assistant
Jennifer Becker

Director of the Honors Program
Michelle P. Connolly