FILE - In this June 20, 1979, file photo President Jimmy Carter, center, is surrounded by reporters and photographers as he inspected new White House solar hot water heating system located on the roof of the West Wing of the mansion, over the Cabinet Room. The Obama White House will announce Tuesday, Oct. 5, 2010, that the most famous residence in America plans to install solar panels for the first time atop the White House's living quarters. The solar panels _ which will be installed by spring 2011 _ will heat water and supply some of the first family's electricity. (AP Photo/Harvey Georges, File)