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U.S. Electric Net Summer Capacity


Table 4.   U.S. Electric Net Summer Capacity, 2003-2007
(Megawatts)
Source 2003 2004 2005 2006 2007
Total 948,446 962,942 978,020 986,215 998,837
Renewable Total 96,847 96,357 98,746 101,934 106,554
   Biomass 9,628 9,711 9,802 10,100 10,313
     Waste 3,758 3,529 3,609 3,727 3,881
       Landfill Gas 863 859 887 978 1,034
       MSWa 2,442 2,196 2,167 2,188 2,204
       Other Biomassb 453 474 554 561 643
     Wood and Derived Fuelsc 5,871 6,182 6,193 6,372 6,432
   Geothermal 2,133 2,152 2,285 2,274 2,294
   Hydroelectric Conventional 78,694 77,641 77,541 77,821 77,833
   Solar/PV 397 398 411 411 498
   Wind 5,995 6,456 8,706 11,329 15,616
Nonrenewable Total 851,599 866,585 879,274 884,281 892,284
a Includes total capacity whose primary energy source is MSW.
b Agriculture byproducts/crops, sludge waste and other biomass solids, liquids and gases.
c Black liquor, and wood/woodwaste solids and liquids.
MSW=Municipal Solid Waste.
Note: Totals may not add due to independent rounding.  Data for 2007 is preliminary.
Sources: Energy Information Administration, Form EIA-860, "Annual Electric Generator Report."