Minnesota Public Radio slideshow:
An uncertain future
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Jim Alders, a manager at Xcel Energy, says it may be difficult for the company is to meet a goal of increasing its wind output to 10 percent of its total output, because wind generation is intermittent. (MPR Photo/Rob Schmitz)

Jim Alders, a manager at Xcel Energy, says it may be difficult for the company is to meet a goal of increasing its wind output to 10 percent of its total output, because wind generation is intermittent.

(MPR Photo/Rob Schmitz)
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