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Energy Gateway
Our Integrated Resource Plan identifies a need for more transmission lines to deliver electricity from new generating resources.
In May 2007, PacifiCorp launched the Energy Gateway Transmission Expansion – a multi-year investment plan to add approximately 2,000 miles of new transmission lines across the West.
Three major segments of Energy Gateway are complete and in service. Outreach, siting and permitting processes continue for several other segments. In April 2017, PacifiCorp announced plans to construct a sub-segment of the Gateway West project in Wyoming.
Energy Gateway transmission expansion
The map shows the individual segment additions that comprise the Energy Gateway expansion. Depending on regional, third-party and local participation, the final lines may vary somewhat. PacifiCorp is taking every reasonable step to accommodate regional transmission needs and we are committed to building Energy Gateway with our primary responsibility to provide customers with safe, reliable and reasonably priced electrical service.
Links to Energy Gateway segment information can be found below. We update these pages regularly as new information becomes available.
Gateway Central
Segment B – Populus to Terminal
Segment C – Mona to Oquirrh
Segment C – Oquirrh to Terminal
Gateway West
Segment D.1 – Windstar to Aeolus (future segment)
Segment D.2 – Aeolus to Bridger/Anticline
Segment D.3 – Bridger/Anticline to Populus (future segment)
Segment E – Populus to Hemingway (future segment)
Gateway South
Segment F – Aeolus to Mona
Segment G – Sigurd to Red Butte
West of Hemingway
Segment A – Wallula to McNary
Segment H – West of Hemingway