ity generated by wind turbines. Endnotes .rtment of Energy, Office of Energy Efficiency and Renewable Energy. "Table 1.1.1 U.S. 1:.c,iklential and Commercial Buildings Total Primary Energy Consumption (Quadrillion Btu and Percent of Total), 2006." 2008 Buildings Energy Data Book. 2008. http://buildingsdatabook.eren. doe.gov (accessed November 20(