Solar Power Installation Marked As One Millionth Solar Installation Within U.S.

WASHINGTON, DC - MAY 03: Workers unload solar panels during an installation May 3, 2106 in Washington, DC. The installation marked the one millionth in the U.S. in the past 40 years. It has been predicted that the U.S. will reach 2 million installations in two years. Alex Wong/Getty Images/AFP