Rocky Mountain Power to seek approval to build 140-mile, 500-kV power line

The company said that the application will also include a request for approval to procure or build new Wyoming wind resources with a total capacity of 860 MW

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Rocky Mountain Power on June 23 told the Utah Public Service Commission that it intends to file on June 30 a request for approval of a resource decision relating to the company’s decision to build 500-kV and 230-kV transmission facilities.

Rocky Mountain Power will file a request for approval to build a 140-mile, 500-kV transmission line running from the new Aeolus substation to the new Anticline substation; a 16-mile, 230-kV transmission line from the company’s existing Shirley Basin substation to the new Aeolus substation; to rebuild four miles of an existing 230-kV transmission line between Aeolus and the existing Freezeout substation; and to rebuild 14 miles of an existing 230-kV transmission line between the Freezeout substation and the Standpipe substation.

The company said that the application will also include a request for approval to procure or build new Wyoming wind resources with a total capacity of 860 MW.

As noted on the company’s website, Rocky Mountain Power, which is a division of PacifiCorp and part of Berkshire Hathaway Energy, provides electric service to nearly 1.1 million customers in Idaho, Utah and Wyoming.

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