<P> Data in this section is based upon data mined from US DOE Energy Information Administration / Electric Power Annual (EPA) 2015 </P> <P> United States 1,064.1 Gigawatt power infrastructure produced 4,077.6 Billion kWhs (B kWhs) in 2015 . USA imports minus exports was 66.7 B kWhs for a total of 4,144.3 B kWh of electrical energy for U.S. use . Electrical energy generated from Coal was 1,352.40 B kWhs (32.63%); Natural and other Gases, 1,346.60 B kWhs (32.49%); Nuclear, 797.18 B kWhs (19.24%); Hydro, 249.08 B kWhs (6.01%); Renewables (other than Hydro), 295.16 B kWhs (7.12%); Imports less exports, 66.7 B kWh (1.3%); Petroleum, 28.25 B kWhs (0.68%); and Misc (including pumped storage) 8.94 B kWhs (0.1%). United States' renewable fuels (Hydro reported separately) are Wind, 190.72 B kWhs (4.60%); Wood, 41.93 B kWh (1.01%); other Biomass, 21.70 B kWhs (0.52%); Geothermal, 15.92 B kWhs (0.38%) and Solar, 24.89 B kWhs (0.60%). The following tables summarize the electrical energy generated by fuel source for the United States . Data from Electric Power Annual 2015 was used throughout this section . </P> <Table> Electrical Production in the United States for 2015 <Tr> <Th> Power Source </Th> <Th> Generators </Th> <Th> Summer Capacity (GW) </Th> <Th>% of total Capacity </Th> <Th> Capacity factor </Th> <Th> Annual Energy (billion kWh) </Th> <Th>% of Total US </Th> </Tr> <Tr> <Th> Coal </Th> <Td> 968 </Td> <Td> 279.72 </Td> <Td> 26.29 </Td> <Td> 0.552 </Td> <Td> 1,352.4 </Td> <Td> 32.63 </Td> </Tr> <Tr> <Th> Nat Gas+ </Th> <Td> 5,874 </Td> <Td> 441.9 </Td> <Td> 41.53 </Td> <Td> 0.348 </Td> <Td> 1346.6 </Td> <Td> 32.49 </Td> </Tr> <Tr> <Th> Nuclear </Th> <Td> 99 </Td> <Td> 98.7 </Td> <Td> 9.28 </Td> <Td> 0.922 </Td> <Td> 797.2 </Td> <Td> 19.24 </Td> </Tr> <Tr> <Th> Hydro </Th> <Td> 4,020 </Td> <Td> 79.7 </Td> <Td> 7.49 </Td> <Td> 0.357 </Td> <Td> 249.1 </Td> <Td> 6.01 </Td> </Tr> <Tr> <Th> Other Renewables </Th> <Td> 2,674 </Td> <Td> 90.5 </Td> <Td> 8.47 </Td> <Td> 0.357 </Td> <Td> 295.15 </Td> <Td> 7.12 </Td> </Tr> <Tr> <Th> Petroleum </Th> <Td> 3,550 </Td> <Td> 36.83 </Td> <Td> 3.46 </Td> <Td> 0.088 </Td> <Td> 28.25 </Td> <Td> 0.68 </Td> </Tr> <Tr> <Th> Other </Th> <Td> 117 </Td> <Td> 1.8 </Td> <Td> 0.17 </Td> <Td> 0.890 </Td> <Td> 14.03 </Td> <Td> 0.34 </Td> </Tr> <Tr> <Th> Storage </Th> <Td> 156 </Td> <Td> 22.6 </Td> <Td> 2.12 </Td> <Td> - 0.026 </Td> <Td> - 5.1 </Td> <Td> - 0.12 </Td> </Tr> <Tr> <Th> Net Imports </Th> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 66.67 </Td> <Td> 1.61 </Td> </Tr> <Tr> <Th> Total </Th> <Td> 20,068 </Td> <Td> 1064.1 </Td> <Td> 100 </Td> <Td> 0.445 </Td> <Td> 4,144.3 </Td> <Td> 100 </Td> </Tr> </Table> <Tr> <Th> Power Source </Th> <Th> Generators </Th> <Th> Summer Capacity (GW) </Th> <Th>% of total Capacity </Th> <Th> Capacity factor </Th> <Th> Annual Energy (billion kWh) </Th> <Th>% of Total US </Th> </Tr>

Where does the electricity come from in the united states
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