FIGURE 1-1 Wind power: U.S. installed capacity (megawatts), 1981-2006.

NOTE: Due to project decommissioning and re-powering, the end-of-year cumulative capacity total does not always match the previous year’s year-end total plus additions.

SOURCES: U.S. Department of Energy Wind Energy Program and American Wind Energy Association 2006. Reprinted with permission; copyright 2006, American Wind Energy Association.

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