Transwest Express 600 kV Direct Current Powerline (TWE)

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This proposed 600 kV direct current transmission line is designed to carry renewable energy (primarily wind power) from generation sources in central Wyoming to markets in in the pacific southwest.

Location Summary

This project initiates in central Wyoming and crosses public, private, and state lands in Wyoming, Colorado, Utah, and Nevada.

Forests: Roosevelt Ranger District, Pine Valley Ranger District, Fillmore Ranger District, Richfield Ranger District, Ferron Ranger District, Heber-Kamas Ranger District, Spanish Fork Ranger District

Project Documents

Date Published
Analysis
- Final Environmental Impact Statement
  - 01-13-2017
    00-FEIS-Cover (PDF 282kb)
  - 01-13-2017
    01-DearReaderLetter (PDF 71kb)
  - 01-13-2017
    02-Errata (PDF 235kb)
  - 01-13-2017
    03-ExecutiveSummary (PDF 564kb)
  - 01-13-2017
    04-FEISAddendum (PDF 38kb)
  - 01-13-2017
    05-AbbreviationsandAcronyms (PDF 62kb)
  - 01-13-2017
    06-tableofcontents (PDF 195kb)
  - 01-13-2017
    07-Chapter1-Introduction (PDF 1359kb)
  - 01-13-2017
    08-Chapter2-ProjectDescriptionandAlternatives (PDF 5677kb)
  - 01-13-2017
    09-Chapter3-AffectedEnvironment (PDF 23kb)
  - 01-13-2017
    10-Chapter3.1-ClimateandAirQuality (PDF 1300kb)
  - 01-13-2017
    11-Chapter3.2-geological.paleo.mineralresources (PDF 3832kb)
  - 01-13-2017
    12-Chapter3.3-soilresources (PDF 3763kb)
  - 01-13-2017
    13-Chapter3.4-waterresources (PDF 5224kb)
  - 01-13-2017
    14-Chapter3.5-waterresources (PDF 8353kb)
  - 01-13-2017
    15-Chapter3.6-SS_Plants (PDF 3251kb)
  - 01-13-2017
    15-Chapter3.7_Wildlife (PDF 1837kb)
  - 01-13-2017
    16-Chapter3.8-SS_Wildlife (PDF 2884kb)
  - 01-13-2017
    17-Chapter3.9-AquaticbiologicalResouces (PDF 240kb)
  - 01-13-2017
    18-Chapter3.10-SSAquaticSpecies (PDF 1863kb)
  - 01-13-2017
    19-Chapter3.11-revisedCulturalResources (PDF 2030kb)
  - 01-13-2017
    20-Chapter3.12-VisualResources (PDF 4500kb)
  - 01-13-2017
    20-Chapter3.13-Recreation (PDF 1632kb)
  - 01-13-2017
    21-Chapter3.14-revised-landuse (PDF 5460kb)
  - 01-13-2017
    22-Chapter3.15-revised-specialdesignations (PDF 3500kb)
  - 01-13-2017
    23-Chapter3.16_Transportation (PDF 1636kb)
  - 01-13-2017
    24-chapter3.17_Social-Econ (PDF 477kb)
  - 01-13-2017
    25-Chapter3.18_Health-Safety (PDF 238kb)
  - 01-13-2017
    26-Chapter3.19-WildHorseManagement (PDF 95kb)
  - 01-13-2017
    27-Chapter3.20_Lands-Wilderness_rev (PDF 729kb)
  - 01-13-2017
    27-chapter3.21_WildlandFire (PDF 2836kb)
  - 01-13-2017
    28-Chapter3.22_MigBirds (PDF 4457kb)
  - 01-13-2017
    29-chapter4LandUsePlanAmendments (PDF 3818kb)
  - 01-13-2017
    30-Chapter5-CumulativeImpacts (PDF 2365kb)
  - 01-13-2017
    31-Chapter6-consultationandcoordination (PDF 132kb)
  - 01-13-2017
    32-references (PDF 579kb)
  - 01-13-2017
    33-Glossary (PDF 130kb)
  - 01-13-2017
    33-Index (PDF 110kb)
  - 01-13-2017
    AppendixA-MajorPermitsorApprovals (PDF 78kb)
  - 01-13-2017
    AppendixB-ProjectCorridorScreeningReport (PDF 5987kb)
  - 01-13-2017
    AppendixC-BMPs.Designfeatures.stipulationsandguidelines (PDF 2317kb)
  - 01-13-2017
    AppendixD1-PlanofDevelopment-chapter1 (PDF 2021kb)
  - 01-13-2017
    AppendixD2-chapter2 (PDF 63kb)
  - 01-13-2017
    AppendixD3-Chapter3 (PDF 44kb)
  - 01-13-2017
    AppendixD4-Chapter4 (PDF 2928kb)
  - 01-13-2017
    AppendixD5-Chapter5 (PDF 1285kb)
  - 01-13-2017
    AppendixD6-Chapter6 (PDF 98kb)
  - 01-13-2017
    AppendixD7-Chapter7 (PDF 3744kb)
  - 01-13-2017
    AppendixD8-Chapter8 (PDF 93kb)
  - 01-13-2017
    AppendixD9-Chapter9 (PDF 59kb)
  - 01-13-2017
    AppendixD-appA (PDF 62kb)
  - 01-13-2017
    AppendixD-appAA (PDF 410kb)
  - 01-13-2017
    AppendixD-appAB (PDF 7939kb)
  - 01-13-2017
    AppendixD-appB (PDF 1652kb)
  - 01-13-2017
    AppendixD-appC (PDF 66kb)
  - 01-13-2017
    AppendixD-appD (PDF 47kb)
  - 01-13-2017
    AppendixD-appE (PDF 58kb)
  - 01-13-2017
    AppendixD-appF (PDF 56kb)
  - 01-13-2017
    AppendixD-appG (PDF 93kb)
  - 01-13-2017
    AppendixD-appH (PDF 62kb)
  - 01-13-2017
    AppendixD-appI (PDF 74kb)
  - 01-13-2017
    AppendixD-appJ (PDF 47kb)
  - 01-13-2017
    AppendixD-appK (PDF 1900kb)
  - 01-13-2017
    AppendixD-appL (PDF 107kb)
  - 01-13-2017
    AppendixD-appM (PDF 87kb)
  - 01-13-2017
    AppendixD-appN (PDF 370kb)
  - 01-13-2017
    AppendixD-appO (PDF 117kb)
  - 01-13-2017
    AppendixD-appP (PDF 64kb)
  - 01-13-2017
    AppendixD-appQ (PDF 82kb)
  - 01-13-2017
    AppendixD-appR (PDF 896kb)
  - 01-13-2017
    AppendixD-appS (PDF 1000kb)
  - 01-13-2017
    AppendixD-appT (PDF 59kb)
  - 01-13-2017
    AppendixD-appU (PDF 52kb)
  - 01-13-2017
    AppendixD-appV (PDF 126kb)
  - 01-13-2017
    AppendixD-appW (PDF 183kb)
  - 01-13-2017
    AppendixD-appX (PDF 217kb)
  - 01-13-2017
    AppendixD-appY (PDF 2210kb)
  - 01-13-2017
    AppendixD-appZ (PDF 155kb)
  - 01-13-2017
    AppendixE-AirQualityCalculations (PDF 673kb)
  - 01-13-2017
    AppendixF-PhysicalResources (PDF 493kb)
  - 01-13-2017
    AppendixG-biologicalResources (PDF 1189kb)
  - 01-13-2017
    AppendixH-USFSManagementUnits (PDF 2390kb)
  - 01-13-2017
    AppendixIb-VisualFigures1-5 (PDF 7188kb)
  - 01-13-2017
    AppendixId-visualfigures11-16 (PDF 14350kb)
  - 01-13-2017
    AppendixIe-VisualKOPFiguresANP_CC_DNM_E (PDF 9459kb)
  - 01-13-2017
    AppendixIf-VisualKOPFigures_F_GJ_LMNRA (PDF 9025kb)
  - 01-13-2017
    AppendixIg-VisualKOPFiguresLS_LV (PDF 12946kb)
  - 01-13-2017
    AppendixIh-VisualKOPfigures-M_P (PDF 11231kb)
  - 01-13-2017
    AppendixIi-VisualKOPfigures-R_Rich (PDF 10073kb)
  - 01-13-2017
    AppendixIj_VisualKOPfigures-SG_SL (PDF 8456kb)
  - 01-13-2017
    AppendixIl_VisualKOPfigures_WR (PDF 4264kb)
  - 01-13-2017
    AppendixI-VisualResources (PDF 2124kb)
  - 01-13-2017
    AppendixJ-GRSGHabitatEquivalency (PDF 5482kb)
  - 01-13-2017
    AppendixK-LeftBlank (PDF 5kb)
  - 01-13-2017
    AppendixL-ResponsetoComments (PDF 3503kb)
  - 01-13-2017
    AppendixM-ProjectImpactAnalysesbySegment (PDF 1303kb)
  - 01-13-2017
    AppendixN-BiologicalAssessment (PDF 6911kb)
  - 01-13-2017
    AppendixO-ProgrammaticAgreement (PDF 6675kb)
  - 01-06-2017
    Addendum_USFS FEIS Addendum (PDF 6542kb)
- TransWestExpress_TransmissionProject_DEIS (PDF 49138kb)
- TransWestExpress_TransmissionProject_DEIS_appx_A_G (PDF 22752kb)
- TransWestExpress_TransmissionProject_DEIS_AppxH_If (PDF 38773kb)
- TransWestExpress_TransmissionProject_DEIS_appxIg_Ik (PDF 44566kb)
- TransWestExpress_TransmissionProject_DEIS_AppxIl_Ip (PDF 33226kb)
- Federal Register Notice of Availability Dec 6, 2013 (PDF 199kb)
- Sun Advocate Legal Notice of Opportunity to Comment, Dec 17 2013 (PDF 418kb)
- Vernal express Legal Notice of Opportunity to Comment Dec. 17, 2013 (PDF 309kb)
- Richfield Reaper Legal Notice of Opportunity to Comment, Dec. 18, 2013 (PDF 1138kb)
- Salt Lake Tribune and Deseret News Legal Notice of Opportunity to Comment, Dec. 17 2013 (PDF 108kb)
- Sun Advocate Legal Notice of Opportunity to Comment, Dec. 17 2013 (PDF 418kb)

Date Published
Decision
- Draft ROD and Appendices
  - 01-17-2017
    TWE Draft Record Of Decision (PDF 9524kb)
  - 01-17-2017
    TWE USFS FEIS Addendum draft 20161229 (PDF 217kb)
  - 01-17-2017
    App B_TWE Plan of Development (PDF 26633kb)
  - 01-17-2017
    App C_EPP Status (PDF 141kb)
  - 01-17-2017
    App D_TWE_Legal Description (PDF 443kb)
  - 01-17-2017
    App E_Map Series USFS Lands (PDF 1832kb)
  - 01-17-2017
    App F_Mitigation Measures (PDF 188kb)
  - 01-17-2017
    App G_TWE Section 7 Consultation Package (PDF 23088kb)
  - 01-17-2017
    App H_TWE Final Programmatic Agreement (PDF 8480kb)
  - 01-19-2017
    Draft ROD Legal Notice of Draft Decision and Objection Period (PDF 335kb)
  - 01-24-2017
    Legal Notice Draft ROD and Objection Richfield Reaper (PDF 126kb)
  - 01-24-2017
    Legal Notice Draft ROD and Objection Sun Advocate (PDF 124kb)
  - 01-31-2017
    Provo Daily Herald Legal Notice Draft ROD and Objection Period (PDF 122kb)
- Final ROD and Appendices
  - 05-31-2017
    App H_TWE Final PA (1) (PDF 8685kb)
  - 05-31-2017
    App G_TWE Sect7ConsultPackage (1) (PDF 23293kb)
  - 05-31-2017
    App F_MitigationMeasures (1) (PDF 498kb)
  - 05-31-2017
    App E_MapSeries_USFSLands (1) (PDF 2035kb)
  - 05-31-2017
    App D_TWE_LegalDescriptionFinal (PDF 644kb)
  - 05-31-2017
    App C_EPP Status (1) (PDF 231kb)
  - 05-31-2017
    App B_TWE POD (1) (PDF 26838kb)
  - 05-31-2017
    App A_TWE USFS FEIS Addendum 20161229 (PDF 6746kb)
  - 05-31-2017
    Forest Service Overview_Maps (PDF 5934kb)
  - 05-31-2017
    TWE_USFS_Final_ROD_20170530 (PDF 3742kb)
- 05-24-2017
  Important Clarification on Notification of Final Record of Decision (PDF 118kb)
- 06-01-2017
  Notification letter for Transwest Express Record of Decision, June 1, 2017 (PDF 105kb)

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Transwest Express 600 kV Direct Current Powerline (TWE)

Location Summary

Project Documents

Analysis

Decision