CHEYENNE, Wyo. – Two power line projects that won federal approval Tuesday will give a big capacity boost to the Western energy grid, including voltage from potentially the biggest wind farm in the U.S.
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The TransWest Express project will help California meet its renewable energy goals with wind power from Wyoming.
The Anschutz Corporation's Chokecherry-Sierra Madre wind farm in southern Wyoming will power up to 1 million homes. Anschutz plans to begin building the TransWest Express power lines along a 728-mile route between the wind farm and southern Nevada in 2018.
PacifiCorp plans to increase reliability and capacity with its 416-mile Gateway South project along a roughly similar route ending in central Utah. Construction would begin in the early 2020s.
The U.S. Bureau of Land Management approvals follow almost a decade of planning.