| Figure 7d. Electricity Generation by Fuel Type, 1997-2020 |
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| In 1997, gas-fired generation accounted for 15 percent of total U.S. electricity generation; by 2020, gas-fired generation will account for 33 percent of the total. Source: Energy Information Administration, Annual Energy Outlook 1999, DOE/EIA-0303(99) (Washington, DC, December 1998). |