The Obama administration pledged to install solar panels on the White House roof back in 2010.
The retrofit also includes installing updated building controls and variable speed fans, the official added.
This is not the first time solar panels have graced the White House’s roof: President Jimmy Carter had 32 installed in the late 1970s to provide hot water, but President Ronald Reagan removed them in 1986. Then in 2003 President George W. Bush installed a photovoltaic system on a maintenance building and two solar thermal units. The system heated the White House swimming pool.
Bush installed them also…