The Joint Outlook on Renewable Energy in America (PDF), prepared by the American Council on Renewable Energy, presents a shared statement by the renewable energy community regarding the ability of renewable energy to meet America's growing energy demand. According to this estimate, renewable energy could provide up to 635 gigawatts of new electricity generating capacity by 2025 – a substantial contribution that potentially could exceed the nation’s need for new capacity. (March 2007)


The Role of Renewable Energy in Future Electricity Supply (PDF), prepared by the Electric Power Research Institute, presents data and charts regarding the future deployment of renewable energy in the United States.  (July 2006)


Geothermal — The Energy Under Our Feet (PDF), prepared by the National Renewable Energy Laboratory, provides estimates of geothermal resources for the United States.  (November 2006)