|U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
Gateway West Transmission Line Project
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Please visit Rocky Mountain Power and Idaho Power's Gateway West project website. Visit the Proponents’ Parcel Search Map to search by private land owner, organization, or address and to zoom in along the routes.
Segments 8 and 9 – BLM Idaho
The BLM will conduct additional environmental analysis of new information on routing options for Segments 8 and 9 and potential mitigation and enhancement measures for lands that would be impacted by authorizing these segments. Visit the BLM-Idaho website for information on Segments 8 and 9.
About this project
The Bureau of Land Management (BLM) and the U.S. Forest Service (USFS) Caribou-Targhee, Medicine Bow-Routt, and Sawtooth National Forests conducted the initial National Environmental Policy Act (NEPA) process for the Gateway West Transmission Line Project, first proposed in 2007 for federal lands in Wyoming and Idaho. The BLM was the lead federal agency for that process, which resulted in a Record of Decision (ROD) for eight of the 10 segments originally proposed. The BLM continues to lead the NEPA process for the two remaining proposed segments, which involve BLM-managed public lands in Idaho and no USFS lands.
The Record of Decision (ROD) was released on November 14, 2013. The ROD identifies the BLM authorized route on public lands for Segments 1 through 7 and Segment 10. As explained in the ROD and initially presented in the final EIS, the BLM has chosen to pursue a phased decision for the project, deferring the decision for Segments 8 and 9 until a later date. Visit the BLM Idaho website for updates on the siting process for these segments.
The final environmental impact statement (EIS) was released on April 26, 2013. The release of the document began a 60-day public comment period which closed Friday, June 28. Public comments received by the BLM on the final EIS are available to search and view on this website. Responses to these comments are found in the ROD.
The BLM released the draft environmental impact statement (EIS) for the project on July 29, 2011, which was followed by a 90-day public comment period and 17 public meetings throughout the project area. Public comments received by the BLM on the draft EIS are available to search and view on this website.
Project impacts to sage-grouse were analyzed and incorporated in the draft EIS as part of the "Analysis Framework for Interstate Transmission Lines" (Appendix J). All components of the Analysis Framework were presented in the draft EIS, with the exception of the habitat equivalency analysis (HEA), released on June 29, 2012 as part of a Sage-Grouse Addendum to the draft EIS. The BLM incorporated comments received on the sage-grouse analysis into the final EIS. The BLM also hosted two public meetings in February 2012 to present information and answer questions regarding the status of the sage-grouse HEA at that time. View information made available at those meetings.
The BLM identified the agency preferred alternatives for the project in August 2012. Preferred alternatives were selected after reviewing draft EIS comments, coordinating with local, state and federal governments and cooperating agencies, briefing BLM Washington Office program and policy staff, and considering changes to the proposal identified in a February 10, 2012 letter from the Proponents.
The project is jointly proposed by Rocky Mountain Power and Idaho Power. The project comprises 230 and 500 kilovolt (kV) transmission lines in 10 segments from the Windstar Substation near Glenrock, Wyoming, to the Hemingway Substation near Melba, Idaho, at a total length of approximately 1,000 miles.
For questions about the status of authorized segments of the project (1 through 7 and 10), please email Gateway_West_WYMail@blm.gov.For questions or to share more information about segments 8 and 9 in southwestern Idaho, please email email@example.com.
Cooperating agencies include the U.S. Forest Service; National Park Service; U.S. Fish and Wildlife Service; U.S. Army Corps of Engineers; State of Wyoming; State of Idaho; Idaho Army National Guard; Cassia, Twin Falls and Power counties, Idaho; City of Kuna, Idaho; Elko County, Nevada; Carbon, Lincoln and Sweetwater counties, Wyoming; and the Saratoga-Encampment-Rawlins and Medicine Bow conservation districts in Wyoming.
For questions or to share additional information about the project please email: Gateway_West_WYMail@blm.gov.
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