U.S. Department of Energy - Energy Efficiency and Renewable Energy
The solar energy industry in the United States is growing rapidly as the price of solar panels has decreased over the past decade. U.S. solar installations doubled from 2009 to 2010, and the domestic market was worth $6 billion in 2010.
Despite this upward trend, solar energy makes up only about 0.15% of the current U.S. electricity supply. The SunShot Vision Study says that cost-competitive solar has an estimated potential to supply roughly 14% of domestic energy needs by 2030 and 27% by 2050.
To support the continued growth of clean, renewable energy solutions, Solar Program efforts focus on driving:
U.S. Annual Installed Grid-Connected PV Capacity by Market, 2001–2010. Source: IREC 2011