By Mari Hernandez | Think Progress
Middle-class households are a major force in driving rooftop solar installations in emerging residential solar markets.
Last year, a Center for American Progress (CAP) study found that rooftop solar had reached beyond wealthy homeowners, with the overwhelming majority of solar panels being installed in areas with median incomes ranging from $40,000 to $90,000 in Arizona, California, and New Jersey – the three largest solar markets.
To determine whether rooftop solar had become more mainstream in other states, CAP’s latest study analyzes the income characteristics of solar photovoltaic (PV) system owners in emerging residential solar markets, including Maryland,
