During the past year, the U.S. Energy Information Administration released statistics
involving solar energy use. Following are some of the data:
The average solar panel size needed to power an average home is 600 square feet.
The average cost of installing a 600-square-foot solar system is $55,000.
The percentage of the Earth that would need to be covered with solar panels to power
it is 0.0005 percent.
Seventy-five million barrels of oil are saved annually by all solar energy users.
Thirty-five million tonnes of carbon dioxide are saved annually by all solar energy
users.
Germany has the most installed solar energy, followed by Spain, Japan, the U.S.
and Italy.
In 2012, the Solar Energy Industries Association reported that Walmart is the top
corporate solar power user, followed by Costco, Kohl's, IKEA and Macy's.
