Gateway South

Information about this transmission project, including a project map and a landowner parcel map are posted on this website and will be updated as the project progresses and details are developed. Please check back periodically for additional information.

To contact us about this project, please call 801-220-4221 or email ConstructionProjects@pacificorp.com. Please be sure to include the project name – "Aeolus to Mona project" – in your inquiry.

On July 24, 2013, the Bureau of Land Management announced its Preliminary Agency Preferred Route for the project. The map is available on the BLM website.

On February 21, 2014, the Bureau of Land Management published its Notice of Availability of the draft Environmental Impact Statement for the Gateway South project. The draft Environmental Impact Statement document is available on the BLM website along with the Bureau of Land Management public open house meetings. In addition, links to the shape files and Google Earth mapping for the routes analyzed in the draft Environmental Impact Statement are available below. Comments on the draft Environmental Impact Statement were submitted directly to Bureau of Land Management during the official comment period that closed May 22, 2014.

Gateway South Fact Sheet

Download Gateway South shape files

Download Gateway South Google Earth files

The Record of Decision and rights-of-way grant contain many conditions and stipulations that must be met and accepted before the project can move to construction. The company started field survey activities in 2019 necessary to meet these requirements. Field survey activities continued during 2020 and into 2021. The company will continue to meet regularly with the Bureau of Land Management to review progress in order to obtain a full notice to proceed in mid-2021.

Applications to state regulatory agencies and local permitting entities were submitted in 2020 to obtain necessary permits. The company began negotiations with landowners to obtain rights-of-way in early 2020. 

2019

The Gateway South Transmission Project was included in the company’s 2019 Integrated Resource Plan Preferred Portfolio to provide customers with the least cost and least risk resources into the future.

2017

On May 31, 2017, the U.S. Forest Service issued its Record of Decision for the Gateway South project on approximately 12 miles of Forest Service lands.

2016

May – Final Environmental Impact Statement published in Federal Register

December – Department of Interior approves the Record of Decision and issued a rights-of-way grant for the Gateway South project on BLM-managed land, which represents about 50% of the 416-mile route.

2014

February – Community Working Group meetings held in Rawlins, Wyoming, Salt Lake City, Price, Vernal and Nephi, Utah.

March - April – Public meetings to review the draft Environmental Impact Statement held by Bureau of Land Management.

2013

Throughout the year – Companies continued to meet with elected officials, community leaders and other interested parties to brief them on the status of the project.

2012

Throughout the year – Companies continued to meet with elected officials, community leaders and other interested parties to brief them on the status of the project.

Autumn – Various Community Working Group meetings held in Rawlins, Wyoming, Salt Lake City, Price, Vernal and Nephi, Utah. Officials in Moffatt County, Colorado were updated on the project.

2011

Throughout the year – Company met with elected officials, community leaders and other interested parties to brief them on the status of the project.

April – Notice of Intent (NOI) published in Federal Register.

Spring – Public scoping meetings held by Bureau of Land Management. Company participated in the scoping meetings; also hosted separate informational meetings in Wyoming, Colorado and Utah.

2010

Throughout the year – The Company met with elected officials, community leaders and other interested parties to brief them on the status of the project.

October – Revised SF 299 filed by the company, incorporating adjustments to project schedule and scope.

2009

Throughout the year – The Company met with elected officials, community leaders and other interested parties to brief them on the status of the project.

2008

December – The Company filed original form SF 299, Application for Utility Systems and Facilities on Federal Lands, with Bureau of Land Management.