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Capacity Additions, Retirements and Changes by Energy Source                      
Table 2.6.    xls     pdf   format     

Table 2.6.  Capacity Additions, Retirements and Changes by Energy Source, 2007
(Count, Megawatts)
Energy Source Generator Additions Generator Retirements Updates and Revisions[1]
Number of Generators Generator Nameplate Capacity Net Summer Capacity Net Winter Capacity Number of Generators Generator Nameplate Capacity Net Summer Capacity Net Winter Capacity Generator Nameplate Capacity Net Summer Capacity Net Winter Capacity (MW)
Coal[2] 2 1,514 1,354 1,374 21 1,272 1,196 1,210 -32 -375 -382
Petroleum[3] 47 268 242 253 76 401 402 417 -1,792 -1,870 -1,873
Natural Gas[4] 63 7,587 6,673 7,255 78 2,889 2,741 2,785 1,745 650 970
Other Gases[5] -- -- -- -- 1 11 10 10 111 66 105
Nuclear -- -- -- -- -- -- -- -- 179 -68 47
Hydroelectric Conventional 2 12 12 12 8 5 5 5 218 57 -30
Wind 48 5,209 5,193 5,195 2 1 1 1 54 -5 20
Solar Thermal and Photovoltaic 17 90 89 65 -- -- -- -- 1 1 1
Wood and Wood Derived Fuels[6] 3 63 47 45 6 16 15 15 292 300 255
Geothermal 4 39 29 30 1 1 1 1 25 -88 -8
Other Biomass[7] 128 245 205 205 17 50 47 40 258 249 246
Pumped Storage -- -- -- -- -- -- -- -- 785 425 425
Other[8] -- -- -- -- 1 24 20 20 -87 -75 -74
Total 314 15,026 13,845 14,434 211 4,670 4,439 4,504 1,758 -734 -299
  [1] Generator re-ratings, re-powering, and revisions/corrections to previously reported data.
  [2] Anthracite, bituminous coal, subbituminous coal, lignite, waste coal, and synthetic coal.
  [3] Distillate fuel oil (all diesel and No. 1, No. 2, and No. 4 fuel oils), residual fuel oil (No. 5 and No. 6 fuel oils and bunker C fuel oil), jet fuel, kerosene, petroleum coke (converted to liquid petroleum, see Technical Notes for conversion methodology), and waste oil.
  [4] Includes a small number of generators for which waste heat is the primary energy source.
  [5] Blast furnace gas, propane gas, and other manufactured and waste gases derived from fossil fuels.
  [6] Wood/wood waste solids (including paper pellets, railroad ties, utility poles, wood chips, bark, and wood waste solids), wood waste liquids (red liquor, sludge wood, spent sulfite liquor, and other wood-based liquids), and black liquor.
  [7] Biogenic municipal solid waste, landfill gas, sludge waste, agricultural byproducts, other biomass solids, other biomass liquids, and other biomass gases (including digester gases, methane, and other biomass gases).
  [8] Batteries, chemicals, hydrogen, pitch, purchased steam, sulfur, tire-derived fuels and miscellaneous technologies.
  Notes: Capacity by energy source is based on the capacity associated with the energy source reported as the most predominant (primary) one, where more than one energy source is associated with a generator. Totals may not equal sum of components because of independent rounding. In some reporting of capacity data, such as for wind, solar and wave energy sites, the capacity for multiple generators is reported in a single generator record and is presented as a single generator in the count of number of generators.
  Source: Energy Information Administration, Form EIA-860, "Annual Electric Generator Report."
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see also:
Electric Power Monthly
Electric Power Annual
annual electricity statistics back to 1949
projected electricity capacity to 2030
international electricity statistics