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

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.

The company said that it intends to 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.

About Corina Rivera-Linares 3286 Articles
Corina Rivera-Linares was TransmissionHub’s chief editor until August 2021, as well as part of the team that established TransmissionHub in 2011. Before joining TransmissionHub, Corina covered renewable energy and environmental issues, as well as transmission, generation, regulation, legislation and ISO/RTO matters at SNL Financial from 2005 to 2011. She has also covered such topics as health, politics, and education for weekly newspapers and national magazines.