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Gateway West Transmission Line | Segments 8 and 9


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The BLM is preparing a supplemental environmental impact statement (EIS) analyzing new information - not previously evaluated in the 
April 2013 final EIS - associated with the potential impacts of approving 
a right-of-way (ROW) application for segments 8 and 9 of 
the Gateway West 500-kilovolt (kV) transmission line project.

On August 8, 2014, Rocky Mountain Power and Idaho Power submitted a revised application and revised plan of development for segments 8 and 9. The BLM has determined that the new information in these revised documents warrants additional analysis and public review under the National Environmental Policy Act (NEPA).


Public scoping for the supplemental EIS concluded on October 24, 2014.  The BLM will use information gathered during scoping to analyze the companies' updated proposed routes for segments 8 and 9 in a draft supplemental EIS that will disclose impacts to resources in the project area which were not analyzed in the 2013 Final EIS, along with any other issues or resources identified during scoping. 

The draft supplemental EIS will also examine opportunities to mitigate the impacts of siting and building segments 8 and 9 – if they are authorized – by incorporating avoidance, minimization and compensation measures.  Opportunities for enhancing objects and values within the Morley Nelson Snake River Birds of Prey NCA will also be evaluated. 


 Route LENGTHS | as proposed August 2014 
        

8

   Midpoint-Hemingway129 mi.60% BLM
9   Cedar Hill-Hemingway 165 mi. 86% BLM


 Segments 1 – 7 and 10 | BLM Wyoming 
  The BLM has authorized routes on public lands for segments 1–7 and 10. 
 
Visit the BLM-Wyoming website for information on these segments.  
 




 SCHEDULE at a glance
¦ Notice of Intent  09.19.2014
¦ Scoping  closed 10.24.2014
Draft Supplemental EIS
  Public comment
  Final Supplemental EIS
  Protest period
  Record of Decision

Snake River Canyon looking north, near Grand View, Idaho


Mailing List
Join the mailing list to receive updates and announcements about the supplemental EIS for segments 8 and 9 of the project.

Proponents' website
The Rocky Mountain Power–Idaho Power website for the Gateway West project has additional information.  

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