Originally published on March 4, 2015 by the Environmental Defense Fund.
This was adaptated from a blog post first published on EDF's Energy Exchange blog.
The price of solar panels has fallen by 80 percent since 2008, contributing to a surge in solar home systems in the United States.
Incentives such as net metering and solar “leasing” programs have also broadened the market. Today, middle-income and working-class homes are driving investments in roof-top solar systems in key states, and this trend shows no signs of slowing down.
After analyzing installations in Arizona, California, New Jersey, Maryland, Massachusetts and New York, the Center for American Progress found that in all states except Maryland, roof-top solar panels overwhelmingly landed in neighborhoods with a median household income of $40,000 to $90,000.
Read the full article here: http://www.edf.org/blog/2015/03/04/why-solar-panels-are-becoming-middle-class-commodity