Southern California Edison's Devers–Palo Verde No. 2 Transmission Line Project

(Application A.05-15-015)


Final Supplemental Environmental Impact Report, Colorado River Substation Expansion

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Notice of Availability
Title Page
Table of Contents
Executive Summary
Figure ES-1. Substation Locations
Figure ES-2. Substation Layout
Figure ES-3. Colorado River Substation Alternatives
A. Introduction
B. Description of Proposed Project
Figure B-1. Substation Locations
Figure B-2a. Substation Layout
Figure B-2b. Substation Profile
Figure B-3. Permanent and Temporary Disturbed Areas
Figure B-4. Water Well Locations
Figure B-5. Proposed Distribution and Telecommunications Lines
C. Alternatives
Figure C-1. Colorado River Substation Alternatives
D. Environmental Analysis
Figure D-1. Sand Transport Corridors
Figure D-2. MFTL Occurrences and Impacts - Proposed CRS Location
E. Revised Cumulative Scenario and Impacts
Figure E-1. Cumulative Projects
F. Comparison of Alternatives
G. Other CEQA Considerations
H. References
I. Comments and Responses on the Draft SEIR
I.1 Purpose of Response to Comments Document
I.2 General Responses

Comments from Public Agencies:
Comment Set A01 - California Department of Toxic Substances Control
Comment Set A02 - Riverside County Airport Land Use Commission

Comment Set A03 - Colorado River Board of California [Note: Received too late for response to be included in Final SEIR]
Comments from Groups, Organizations, and Companies:
Comment Set B01 - Snow Creek Homeowners Association
Comment Set B02 - Basin and Range Watch
Comment Set B03 - Sierra Club, California/Nevada Desert Energy Committee
Comment Set B04 - Western Watersheds Project
Comment Set B05 - Solar Millennium LLC and NextEra Energy Resources
Comment Set B06 - Center for Biological Diversity
Comment Set B07 - Californians for Renewable Energy (CARE)
Comments from Private Citizens:
Comment Set C01 - Brendan Hughes
Comments from the Applicant:
Comment Set D01 - Southern California Edison

Appendix 1. Alternatives Screening Report
Figure Ap.1-1. Colorado River Substation Alternatives
Figure Ap.1-2. Partial Avoidance Alternative
Figure Ap.1-3A. Avoidance Alternatives - Substation Configuration (Parallel Configuration)
Figure Ap.1-3B. Avoidance Alternatives - Substation Configuration (Perpendicular Configuration)
Figure Ap.1-4. Avoidance Alternative #1
Figure Ap.1-5. Avoidance Alternative #2
Figure Ap.1-6. Avoidance Alternative #3
Figure Ap.1-7. Southern Alternative
Figure Ap.1-8A. Southern Alternative - Substation Configuration (Parallel Configuration)
Figure Ap.1-8B. Southern Alternative - Substation Configuration (Perpendicular Configuration)
Figure Ap.1-9. Original Midpoint Substation Alternative
Figure Ap.1-10. Sand Shield Alternative
Appendix 2. Notice of Preparation; Scoping Report; Scoping Comments
Appendix 3. Geomorphic Assessment and Sand Transport Impacts Analysis
Appendix 4. Native American Scoping Consultation
Appendix 5. EDR Database Search Results
Appendix 6. SEIR Preparers and Reviewers
Appendix 7. Persons or Agencies Consulted
Appendix 8. Supplemental Information, Genesis Solar Energy Project
Appendix 9. DPV2 Telecommunication System Route Biological Review
Appendix 10. Biological and Conference Opinion

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