At this point 33% of the USA's energy mix comes from a non-fossil fuel source(http://www.eia.gov/tools/faqs/faq.cfm?id=427&t=3 http://www.eia.gov/tools/faqs/faq

At this point 33% of the USA's energy mix comes from a non-fossil fuel source(http://www.eia.gov/tools/faqs/faq.cfm?id=427&t=3 http://www.eia.gov/tools/faqs/faq.cfm?id=427&t=3), and the renewable % has been increasing every year.