White House misses deadline for solar panels By: Darius Dixon June 21, 2011 09:17 AM EDT The official onset of summer signals the Obama administration's unmet deadline to install solar panels at the world's most famous address: 1600 Pennsylvania Ave. Energy Secretary Steven Chu announced in October that after a nearly three-decade hiatus. the White House would once again have a solar water-heating system mounted on its roof, as well as photovoltaic cells. Chu said the panels would be up “by the end of this spring." Spring ended Monday, and the panels aren't there. "The Energy Department remains on the...