ELLENSBURG, Wash. -- Washington is a major player in the fastest growing form of energy in the United States: wind.

There are at least 14 existing or planned wind projects in Washington State and each wind farm depends on the same thing farmers always depend on, the weather.

Meteorologists can predict the next day s wind speeds with 90 percent accuracy. That gives the industry the dependability they need to operate existing and plan new projects.

During a recent tour of the 10,000 acre Wild Horse project near Ellensburg, operators took us to the top of the tower where we walked out on the cell, the big white box on top of the 260 foot tower.

The entire cell rotates to take advantage of the changing wind directions. The spinning blades adjust to the changing wind speeds. It s an evolving science that marketers is increasing efficiency and decreasing problems like bird strikes.

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