DRAFT ENVIRONMENTAL IMPACT REPORT/ ENVIRONMENTAL ASSESSMENT CONTENTS CENTINELA SOLAR ENERGY PROJECT

CONTENTS DRAFT ENVIRONMENTAL IMPACT REPORT/ ENVIRONMENTAL ASSESSMENT CENTINELA SOLAR ENERGY PROJECT CHAPTER 1.0 INTRODUCTION 1.1 PURPOSE OF THE DOCUMENT... 1.0 1 1.2 PROJECT BACKGROUND... 1.0 1 1.3 Project Overview... 1.0 2 1.3.1 Project Location... 1.0 2 1.4 OBJECTIVES AND PURPOSE AND NEED FOR THE PROPOSED ACTION... 1.0 2 1.4.1 Applicant... 1.0 3 1.4.2 Imperial County... 1.0 4 1.4.3 BLM Purpose and Need... 1.0 5 1.5 JOINT CEQA/NEPA DOCUMENT... 1.0 5 1.5.1 CEQA EIR... 1.0 5 1.5.2 NEPA EA... 1.0 6 1.5.3 Review & Certification Process... 1.0 7 1.6 AGENCY ROLES AND RESPONSIBILITIES... 1.0 9 1.6.1 Imperial County... 1.0 9 1.6.2 Bureau of Land Management... 1.0 10 1.6.3 Other Agency Reviews and/or Consultations... 1.0 10 1.7 POSSIBLE BENEFITS OF THE PROPOSED ACTION... 1.0 13 1.7.1 Social and Environmental Benefits... 1.0 13 1.7.2 Promoting Stable Electricity Prices... 1.0 13 1.7.3 Job Creation... 1.0 14 1.7.4 Minimal Use of Imported Fuels... 1.0 14 1.7.5 Protecting Public Health... 1.0 14 1.7.6 Improving Air Quality... 1.0 14 1.7.7 Benefits to Communities with a Plurality of Minority or Low Income Populations... 1.0 14 1.8 RELATIONSHIP TO STATUTES, REGULATIONS AND OTHER PLANS... 1.0 15 1.8.1 Federal... 1.0 15 1.8.2 State... 1.0 17 1.8.3 Local... 1.0 18 1.9 PUBLIC PARTICIPATION OPPORTUNITIES/COMMENTS AND COORDINATION... 1.0 19 1.9.1 Notice of Preparation... 1.0 19 1.9.2 Scoping Meeting... 1.0 21 1.9.3 Airport Land Use Commission Meeting... 1.0 21 1.10 AVAILABILITY OF REPORTS... 1.0 22 1.11 STRUCTURE OF THIS EIR/EA... 1.0 22 1.11.1 Draft EIR/EA... 1.0 22 1.11.2 Technical Appendices... 1.0 23 1.12 ISSUES TO BE ADDRESSED... 1.0 23 1.13 ISSUES SCOPED OUT FROM FURTHER ENVIRONMENTAL REVIEW... 1.0 24

CHAPTER 2.0 PROPOSED ACTION AND ALTERNATIVES 2.1 PROPOSED ACTION AND ALTERNATIVES... 2.0 1 2.1.1 Introduction... 2.0 1 2.1.2 Project Background... 2.0 1 2.1.3 Purpose and Need / Objectives... 2.0 2 2.1.4 Alternatives Development and Screening... 2.0 2 2.1.5 Overview of Alternatives Considered in Detail... 2.0 5 2.2 ACTION ALTERNATIVES INCLUDING THE PROPOSED ACTION... 2.0 128 2.2.1 Proposed Action... 2.0 128 2.2.2 Alternative 1 Double Circuit Gen tie Line Structures... 2.0 128 2.2.3 Alternative 2 Reduced CSE Facility Site... 2.0 128 2.2.4 Alternative 3 Use Existing Electric Line Towers and 230 kv Line Looping and Undercrossing... 2.0 134 2.3 NO ACTION ALTERNATIVE... 2.0 137 2.3.1 Alternative 4 No Action/No project Alternative... 2.0 137 2.4 COMPARISON OF IMPACTS BY ALTERNATIVE... 2.0 137 2.5 FEDERAL LEAD AGENCY PREFERRED ALTERNATIVE AND CEQA ENVIRONMENTALLY SUPERIOR ALTERNATIVE... 2.0 139 2.6 ALTERNATIVES CONSIDERED BUT ELIMINATED FROM DETAILED ANALYSIS... 2.0 155 2.6.1 Single Circuit Gen tie Line Shifted Eastward... 2.0 155 2.6.2 Double Circuit Gen tie Line Shifted Eastward... 2.0 155 2.6.3 Gen tie Line Undercrossing... 2.0 155 2.6.4 Use Existing Electric Towers and 230 kv Line Looping... 2.0 155 2.6.5 Reduced Encroachment on Federal Land while Still Interconnecting at Imperial Valley Substation... 2.0 156 2.6.6 Interconnection to the 500 kv Line via a New Substation on Private Lands... 2.0 156 2.6.7 Interconnection to the 230 kv Lines South of Imperial Valley Substation via a New Substation on Federal Lands... 2.0 156 2.6.8 Interconnection to Imperial Valley Substation at Alternative Voltages (e.g., 500 kv or <230 kv)... 2.0 157 2.7 INTENDED USES OF THE EIR/EA/AUTHORIZING ACTIONS... 2.0 157 2.7.1 Discretionary Actions and Approvals... 2.0 157 2.7.2 Subsequent/Concurrent Entitlements to Implement the proposed project... 2.0 158 2.7.3 Discretionary Actions and Approvals by Other Agencies... 2.0 158 3.0 ENVIRONMENTAL SETTING 3.1 VISUAL RESOURCES... 3.1 1 3.1.1 Regulatory Framework... 3.1 1 3.1.2 Affected Environment... 3.1 8 3.2 LAND USE AND SPECIAL DESIGNATIONS... 3.2 1 3.2.1 Regulatory Framework... 3.2 1 3.2.2 Affected Environment... 3.2 27 3.3 TRANSPORTATION AND CIRCULATION... 3.3 1 3.3.1 Regulatory Framework... 3.3 1 3.3.2 Affected Environment... 3.3 3 3.4 AIR QUALITY... 3.4 1 3.4.1 Regulatory Framework... 3.4 1

3.4.2 Affected Environment... 3.4 9 3.5 GREENHOUSE GAS EMISSIONS/CLIMATE CHANGE... 3.5 1 3.5.1 Greenhouse Gases... 3.5 1 3.5.2 Regulatory Framework... 3.5 1 3.5.3 Affected Environment... 3.5 6 3.6 GEOLOGY AND SOILS... 3.6 1 3.6.1 Regulatory Framework... 3.6 1 3.6.2 Affected Environment... 3.6 5 3.7 CULTURAL RESOURCES... 3.7 1 3.7.1 Regulatory Framework... 3.7 1 3.7.2 Affected Environment... 3.7 4 3.8 NOISE... 3.8 1 3.8.1 Regulatory Framework... 3.8 2 3.8.2 Affected Environment... 3.8 8 3.9 AGRICULTURAL RESOURCES... 3.9 1 3.9.1 Regulatory Framework... 3.9 1 3.9.2 Affected Environment... 3.9 3 3.10 HAZARDS & HAZARDOUS MATERIALS... 3.10 1 3.10.1 Regulatory Framework... 3.10 1 3.10.2 Affected Environment... 3.10 8 3.11 HYDROLOGY AND WATER QUALITY... 3.11 1 3.11.1 Regulatory Framework... 3.11 1 3.11.2 Affected Environment... 3.11 7 3.12 CULTURAL RESOURCES... 3.12 1 3.12.1 Regulatory Framework... 3.12 1 3.12.2 Affected Environment... 3.12 5 3.13 PALEONTOLOGICAL RESOURCES... 3.13 1 3.13.1 Regulatory Framework... 3.13 1 3.13.2 Affected Environment... 3.13 3 3.14 ENVIRONMENTAL JUSTICE... 3.14 1 3.14.1 Regulatory Framework... 3.14 1 3.14.2 Affected Environment... 3.14 3 3.15 RECREATION... 3.15 1 3.15.1 Regulatory Framework... 3.15 1 3.15.2 Affected Environment... 3.15 2 4.0 ENVIRONMENTAL CONSEQUENCES COUNCIL ON ENVIRONMENTAL QUALITY ANALYSIS (EIR)... 4.0 1 NEPA ANALYSIS (EA)... 4.0 1 Direct and Indirect Impacts... 4.0 2 4.1 VISUAL RESOURCES... 4.1 1 4.1.1 Methodology for Analysis... 4.1 1 4.1.2 CEQA Significance Criteria/NEPA Requirements... 4.1 4 4.1.3 Environmental Consequences... 4.1 5 4.1.4 Mitigation Measures... 4.1 38 4.1.5 Residual Impacts After Mitigation... 4.1 38 4.2 LAND USE AND SPECIAL DESIGNATIONS... 4.2 1

4.2.1 Methodology for Analysis... 4.2 1 4.2.2 CEQA Significance Criteria/NEPA Requirements... 4.2 1 4.2.3 Environmental Consequences... 4.2 3 4.2.4 Mitigation Measures... 4.2 26 4.2.5 Residual Impacts After Mitigation... 4.2 26 4.3 TRANSPORTATION AND CIRCULATION... 4.3 1 4.3.1 Methodology for Analysis... 4.3 1 4.3.2 CEQA Significance Criteria/NEPA Requirements... 4.3 33 4.3.3 Environmental Consequences... 4.3 32 4.3.4 Mitigation Measures... 4.3 94 4.3.5 Residual Impacts After Mitigation... 4.3 94 4.4 AIR QUALITY... 4.4 1 4.4.1 Methodology for Analysis... 4.4 1 4.4.2 CEQA Significance Criteria/NEPA Requirements... 4.4 6 4.4.3 Environmental Consequences... 4.4 9 4.4.4 Mitigation Measures... 4.4 30 4.4.5 Residual Impacts After Mitigation... 4.4.31 4.5 GREENHOUSE GAS EMISSIONS/CLIMATE CHANGE... 4.5 1 4.5.1 Methodology for Analysis... 4.5 1 4.5.2 CEQA Significance Criteria/NEPA Requirements... 4.5 1 4.5.3 Environmental Consequences... 4.5 3 4.5.4 Mitigation Measures... 4.5 15 4.5.5 Residual Impacts After Mitigation... 4.5 20 4.6 GEOLOGY AND SOILS... 4.6 1 4.6.1 Methodology for Analysis... 4.6 1 4.6.2 CEQA Significance Criteria/NEPA Requirements... 4.6 1 4.6.3 Environmental Consequences... 4.6 3 4.6.4 Mitigation Measures... 4.6 34 4.6.5 Residual Impacts After Mitigation... 4.6 36 4.7 CULTURAL RESOURCES... 4.7 1 4.7.1 Methodology for Analysis... 4.7 1 4.7.2 CEQA Significance Criteria/NEPA Requirements... 4.7 2 4.7.3 Environmental Consequences... 4.7 7 4.7.4 Mitigation Measures... 4.7 22 4.7.5 Residual Impacts After Mitigation... 4.7 23 4.8 NOISE... 4.8 1 4.8.1 Methodology for Analysis... 4.8 1 4.8.2 CEQA Significance Criteria/NEPA Requirements... 4.8 9 4.8.3 Environmental Consequences... 4.8 12 4.8.4 Mitigation Measures... 4.8 49 4.8.5 Residual Impacts After Mitigation... 4.8 49 4.9 AGRICULTURAL RESOURCES... 4.9 1 4.9.1 Methodology for Analysis... 4.9 1 4.9.2 CEQA Significance Criteria/NEPA Requirements... 4.9 1 4.9.3 Environmental Consequences... 4.9 3 4.9.4 Mitigation Measures... 4.9 13 4.9.5 Residual Impacts After Mitigation... 4.9 14

4.10 Hazards and Hazardous Materials... 4.10 1 4.10.1 Methodology for Analysis... 4.10 1 4.10.2 CEQA Significance Criteria/NEPA Requirements... 4.10 2 4.10.3 Environmental Consequences... 4.10 6 4.10.4 Mitigation Measures... 4.10 32 4.10.5 Residual Impacts After Mitigation... 4.10 33 4.11 HYDROLOGY AND WATER QUALITY... 4.11 1 4.11.1 Methodology for Analysis... 4.11 1 4.11.2 CEQA Significance Criteria/NEPA Requirements... 4.11 2 4.11.3 Environmental Consequences... 4.11 4 4.11.4 Mitigation Measures... 4.11 30 4.11.5 Residual Impacts After Mitigation... 4.11 31 4.12 BIOLOGICAL RESOURCES... 4.12 1 4.12.1 Methodology for Analysis... 4.12 1 4.12.2 CEQA Significance Criteria/NEPA Requirements... 4.12 4 4.12.3 Environmental Consequences... 4.12 6 4.12.4 Mitigation Measures... 4.12 35 4.12.5 Residual Impacts After Mitigation... 4.12 45 4.13 PALEONTOLOGICAL RESOURCES... 4.13 1 4.13.1 Methodology for Analysis... 4.13 1 4.13.2 CEQA Significance Criteria/NEPA Requirements... 4.13 1 4.13.3 Environmental Consequences... 4.13 2 4.13.4 Mitigation Measures... 4.13 13 4.13.5 Residual Impacts After Mitigation... 4.13 18 4.14 ENVIRONMENTAL JUSTICE... 4.14 1 4.14.1 Methodology for Analysis... 4.14 1 4.14.2 CEQA Significance Criteria/NEPA Requirements... 4.14 1 4.14.3 Environmental Consequences... 4.14 2 4.14.4 Mitigation Measures... 4.14 9 4.14.5 Residual Impacts After Mitigation... 4.14 9 4.15 RECREATION... 4.15 1 4.15.1 Methodology for Analysis... 4.15 1 4.15.2 NEPA Requirements... 4.15 1 4.15.3 Environmental Consequences... 4.15 1 4.15.4 Mitigation Measures... 4.15 7 4.15.5 Residual Impacts After Mitigation... 4.15 7 Chapter 5.0 CUMULATIVE IMPACTS... 5.0 1 5.0.1 NEPA Process... 5.0 1 5.0.2 CEQA Process... 5.0 4 5.1 Visual Resources... 5.0 17 5.1.1 Geographic Scope... 5.0 17 5.1.2 Timeframe... 5.0 23 5.1.3 Existing Cumulative Conditions... 5.0 23 5.1.4 Cumulative Visual Resource Impacts... 5.0 35 5.2 LAND USE AND SPECIAL DESIGNATIONS... 5.0 39 5.2.1 Geographic Scope... 5.0 39

5.2.2 Timeframe... 5.0 40 5.2.3 Existing Cumulative Conditions... 5.0 40 5.2.4 Cumulative Land Use and Special Designation Impacts... 5.0 53 5.3 TRANSPORTATION AND CIRCULATION... 5.0 60 5.3.1 Geographic Scope... 5.0 60 5.3.2 Timeframe... 5.0 60 5.3.3 Existing Cumulative Conditions... 5.0 60 5.3.4 Cumulative Transportation and Circulation Impacts... 5.0 71 5.3.5 Mitigation Measures... 5.0 82 5.3.6 Residual Impacts After Mitigation... 5.0 84 5.4 AIR QUALITY... 5.0 84 5.4.1 Geographic Scope... 5.0 84 5.4.2 Timeframe... 5.0 84 5.4.3 Existing Cumulative Conditions... 5.0 85 5.4.4 Cumulative Air Quality Impacts... 5.0 85 5.5 GREENHOUSE GAS EMISSIONS AND CLIMATE CHANGE... 5.0 97 5.6 GEOLOGY AND SOILS... 5.0 97 5.6.1 Geographic Scope... 5.0 97 5.6.2 Timeframe... 5.0 97 5.6.3 Existing Cumulative Conditions... 5.0 98 5.6.4 Cumulative Geology and Soils Impacts... 5.0 106 5.7 CULTURAL RESOURCES... 5.0 110 5.7.1 Geographic Scope... 5.0 110 5.7.2 Timeframe... 5.0 111 5.7.3 Existing Cumulative Conditions... 5.0 112 5.7.4 Cumulative Cultural Resources Impacts... 5.0 124 5.8 NOISE... 5.0 126 5.8.1 Geographic Scope... 5.0 126 5.8.2 Timeframe... 5.0 126 5.8.3 Existing Cumulative Conditions... 5.0 126 5.8.4 Cumulative Noise Impacts... 5.0 127 5.9 AGRICULTURAL RESOURCES... 5.0 135 5.9.1 Geographic Scope... 5.0 136 5.9.2 Timeframe... 5.0 136 5.9.3 Existing Cumulative Conditions... 5.0 136 5.9.4 Cumulative Agricultural Resources Impacts... 5.0 148 5.10 HAZARDS AND HAZARDOUS MATERIALS... 5.0 150 5.10.1 Geographic Scope... 5.0 150 5.10.2 Timeframe... 5.0 151 5.10.3 Existing Cumulative Conditions... 5.0 151 5.10.4 Cumulative Hazards and Hazardous Materials Impacts... 5.0 165 5.10 HYDROLOGY AND WATER QUALITY... 5.0 169 5.11.1 Geographic Scope... 5.0 169 5.11.2 Timeframe... 5.0 169 5.11.3 Existing Cumulative Conditions... 5.0 170 5.11.4 Cumulative Hydrology and water quality Impacts... 5.0 182 5.12 BIOLOGICAL RESOURCES... 5.0 186

5.12.1 Geographic Scope... 5.0 186 5.12.2 Timeframe... 5.0 187 5.12.2 Existing Cumulative Conditions... 5.0 187 5.12.4 Cumulative Biological Resources Impacts... 5.0 194 5.13 PALEONTOLOGICAL RESOURCES... 5.0 207 5.13.1 Geographic Scope... 5.0 207 5.13.2 Timeframe... 5.0 207 5.13.3 Existing Cumulative Conditions... 5.0 207 5.13.3 Cumulative Paleontological Resources Impacts... 5.0 223 5.14 ENVIRONMENTAL JUSTICE... 5.0 225 5.14.1 Geographic Scope... 5.0 225 5.14.2 Timeframe... 5.0 225 5.14.3 Existing Cumulative Conditions... 5.0 226 5.14.4 Cumulative Environmental Justice Impacts... 5.0 235 5.15 RECREATION... 5.0 238 5.15.1 Geographic Scope... 5.0 238 5.15.2 Timeframe... 5.0 238 5.15.3 Existing Cumulative Conditions... 5.0 239 5.15.4 Cumulative Recreation Impacts... 5.0 250 Chapter 6.0 OTHER CEQA REQUIRED CONSIDERATIONS 6.1 PROPOSED ACTION... 6.0 1 6.1.1 Significant Irreversible Environmental Changes... 6.0 1 6.1.2 Growth Inducing Impacts... 6.0 2 6.1.3 Unavoidable Significant Environmental Impacts... 6.0 3 Chapter 7.0 EFFECTS FOUND NOT TO BE SIGNIFICANT EFFECTS FOUND NOT TO BE SIGNIFICANT... 7.0 1 Chapter 8.0 EIR/EA PREPARERS AND PERSONS AND ORGANIZATIONS CONTACTED EIR/EA PREPARERS AND PERSONS & ORGANIZATIONS CONTACTED... 8.0 1 8.1 EIR/EA Preparers... 8.0 2 8.2 Persons and Organizations Contacted... 8.0 2 8.2.1 United States Fish and Wildlife Service... 8.0 2 8.2.2 Native American Consultation/Coordination and Section 106 Consultation/Coordination... 8.0 2 Chapter 9.0 REFERENCES REFERENCES... 9 0 1

LIST OF FIGURES Figure 2.0 1 Regional Location Map... 2.0 5 Figure 2.0 2 Aerial Map of Project Site and Surrounding... 2.0 7 Figure 2.0 3a Project Overview Map... 2.0 11 Figure 2.0 3b Gen tie Line Route through Federal Land Managed by BLM... 2.0 13 Figure 2.0 4 CSE Facility and Private Property Easement Parcels... 2.0 15 Figure 2.0 5 Project Layout... 2.0 19 Figure 2.0 6 Centinela Solar CUP Sheet 1 (Index Sheet)... 2.0 21 Figure 2.0 7 Representative PV Mounting Foundations... 2.0 25 Figure 2.0 8 Representative 1 MW Block Fixed Tilt Mount... 2.0 27 Figure 2.0 9 Representative 1 MW Single Axis Tracker Mount... 2.0 29 Figure 2.0 10 Representative PV Mounting Profile Fixed Tilt Mount Structure... 2.0 31 Figure 2.0 11 Representative PV Mounting Profile Horizontal Axis Tracker Structure... 2.0 33 Figure 2.0 12 Representative 1 MW Encased Inverter Enclosure/Pad... 2.0 37 Figure 2.0 13 CSE Facility Substation (Conceptual)... 2.0 39 Figure 2.0 14 CSE Facility Substation (Conceptual) Looking South... 2.0 41 Figure 2.0 15 Common Services Area Facilities... 2.0 43 Figure 2.0 16 Representative Fence Detail... 2.0 46 Figure 2.0 17 Access Gates and Staging Areas Overview Map... 2.0 50 Figure 2.0 18 Proposed IID Crossings Woodbine Canal and Wells Drain... 2.0 54 Figure 2.0 19 Proposed IID Crossing Carpenter Drain No.1... 2.0 56 Figure 2.0 20 Location of Widening of Existing IID Crossing Woodbine Canal... 2.0 58 Figure 2.0 21 Project Location with Respect to CDCA Corridor N2... 20 70 Figure 2.0 22 Gen Tie Line Alignment Towers 1 12... 2.0 72 Figure 2.0 23 Gen Tie Line Alignment Towers 12 17... 2.0 74 Figure 2.0 24 Gen Tie Line Alignment Towers 17 22... 2.0 76 Figure 2.0 25 Gen Tie Line Alignment Towers 22 27... 2.0 78 Figure 2.0 26 Typical Single Pole Structure Single Circuit (Delta)... 2.0 80 Figure 2.0 27 Typical Single Pole Structure Single Circuit (Phase Over Phase)... 2.0 82 Figure 2.0 28 Typical Single Pole Structure Double Circuit (Suspension/Braced)... 2.0 84 Figure 2.0 29 Typical 3 Pole Dead End Structure... 2.0 86 Figure 2.0 30 Typical H Frame Undercrossing Structure... 2.0 88 Figure 2.0 31 Typical Single Pole Structure Double Circuit (Suspension/ I String)... 2.0 90 Figure 2.0 32 Typical Lattice Structure Single Circuit... 2.0 92 Figure 2.0 33 Typical Lattice Structure Double Circuit... 2.0 94 Figure 2.0 34 Typical Roadway Sections... 2.0 98 Figure 2.0 35 Typical Conductor Stringing Activities... 2.0 104 Figure 2.0 36 Typical Conductor Stringing Activities... 2.0 107 Figure 2.0 37 Alternative Gen tie Line... 2.0 129 Figure 2.0 38 Alternative 2 Reduced CSE Facility... 2.0 131 Figure 2.0 39 Alternative 3 Gen Tie Line Towers... 2.0 135 Figure 3.1 1 Key Observation Point Map... 3.1 11 Figure 3.1 2 KOP #1 Non BLM Land (Imperial County)... 3.1 13 Figure 3.1 3 KOP #2 Non BLM Land (Imperial County)... 3.1 15 Figure 3.1 4 KOP #3 Non BLM Land (Imperial County)... 3.1 17 Figure 3.1 5 KOP #3 Non BLM Land (Imperial County)... 3.1 21 Figure 3.1 6 KOP #5 Non BLM Land (Imperial County)... 3.1 23

Figure 3.1 7 KOP #6 BLM Land... 3.1 25 Figure 3.2 1 Project Site Zoning... 3.2 21 Figure 3.2 2 Surrounding Land Uses... 3.2 29 Figure 3.3 1a Existing (Year 2011) Roadway and Freeway Segment Conditions... 3.3 5 Figure 3.3 1b Existing (Year 2011) Roadway and Freeway Segment Conditions... 3.3 6 Figure 3.3 2a Existing (Year 2011) Roadway and Freeway Segment Volumes... 3.3 12 Figure 3.3 2b Existing (Year 2011) Roadway and Freeway Segment Volumes... 3.3 13 Figure 3.4 1 Ambient Air Quality Monitoring Stations (SSAB ARB)... 3.4 10 Figure 3.6 1 Map of Regional Faults and Seismicity... 3.6 7 Figure 3.6 2 Soils Map... 3.6 11 Figure 3.8 1 Noise/Land Use Compatibility Guidelines... 3.8 7 Figure 3.9 1 Important Farmlands Map... 3.9 6 Figure 3.11 1 Salton Sea Watershed... 3.11 9 Figure 3.11 2 FEMA Map... 3.11 13 Figure 3.12.1 Study Area... 3.12 6 Figure 3.12 2 Potential Southwestern Willow Flycatcher Migratory Habitat 3.12 17 Figure 3.12 3 Flat tailed Horned Lizard Occurrences 3.12 23 Figure 3.12 4 Burrowing Owl Occurrences... 3.12 27 Figure 3.12 5 Loggerhead Shrike Occurrences... 3.12 31 Figure 3.12 6 Golden Eagle Occurrences... 3.12 35 Figure 3.14 1 Census Tract 119, Imperial County, California... 3.14 7 Figure 3.15 1 Western Colorado Route Designation Sheet #1 3.15 3 Figure 4.1 1B KOP #1 Visual Simulation of Proposed CSE Facility (Looking southwest from Brockman Road)... 4.1 9 Figure 4.1 2A KOP #2 Visual Simulation of Proposed CSE Facility (Looking northwest from Brockman Road)... 4.1 11 Figure 4.1 3B KOP #3 Visual Simulation of Proposed Gen tie Line (Looking Southeast along SR 98 in Imperial County)... 4.1 13 Figure 4.1 4B KOP #4 Visual Simulation of Proposed CSE Facility PV solar field (Looking West from Brockman Road north of Kubler Road))... 4.1 15 Figure 4.1 5B KOP #5 Visual Simulation of Proposed CSE Facility PV solar field (looking east from Fisher Road)... 4.1 17 Figure 4.1 6B KOP #6 Visual Simulation of Proposed Gen tie Line (Looking east along SR 98 on BLM Land)... 4.1 19 Figure 4.3 1a Existing (Year 2011) Project Volumes... 4.3 4 Figure 4.3 1b Existing (Year 2011) Roadway Conditions... 4.3 5 Figure 4.3 2 Regional Construction Distribution... 4.3 6 Figure 4.3 3a Local Construction Distribution... 4.3 7 Figure 4.3 3b Local Construction Distribution... 4.3 8 Figure 4.3 4a Construction Trip Assignment... 4.3 9 Figure 4.3 4b Construction Trip Assignment... 4.3 10 Figure 4.3 5 Access Gates and Staging Areas Overview... 4.3 11 Figure 4.3 6a Shuttle and Equipment Trip Assignment... 4.3 12 Figure 4.3 6b Shuttle and Equipment Trip Assignment... 4.3 13 Figure 4.3 7a Project (Construction and Shuttle) Trip Assignment... 4.3 14 Figure 4.3 7b Project (Construction and Shuttle) Trip Assignment... 4.3 15

Figure 4.3 8a Existing (Year 2011) + Project Volumes... 4.3 20 Figure 4.3 8b Existing (Year 2011) + Project Volumes... 4.3 21 Figure 4.3 9a Year 2012 Volumes... 4.3 27 Figure 4.3 9b Year 2012 Volumes... 4.3 27 Figure 4.3 10a Year 2012 Plus Project Volumes... 4.3 33 Figure 4.3 10b Year 2012 Plus Project Volumes... 4.3 34 Figure 4.4 1 Phase I Construction Schedule (175 MW)... 4.4 2 Figure 4.8 1 Noise Monitoring Locations... 4.8 2 Figure 4.8 2 Corono Noise Monitoring Locations... 4.8 5 Figure 4.8 3 Proposed Equipment Locations... 4.8 17 Figure 4.11 1 Proposed Action Gen tie Line Alignment through FEMA Zone... 4.11 7 Figure 4.11 2 Alternative 3 Gen tie Line Alignment through FEMA Zone A... 4.11 25 Figure 5.0 1 Cumulative Projects Map (Within 1, 5, and 15 mile radius... 5 0.19 Figure 5.0 2 Cumulative Projects Map (Areas Beyond 15 Mile Radius)... 5.0 21 Figure 5.3 1A Cumulative Project (New Development) Volumes... 5.0 62 Figure 5.3 1B Cumulative Project (New Development) Volumes... 5.0 64 Figure 5.3 2A Year 2012 Plus Project Plus Cumulative Volumes... 5.0 73 Figure 5.3 2B Year 2012 Plus Project Plus Cumulative... 50 75

LIST OF TABLES Table 1.0 1 Estimated Criteria Pollutant Emission Reductions Created By Project... 1.0 14 Table 1.0 2 Summary of NOP Comments... 1.0 19 Table 2.0 1 Privately Owned Parcels CSE Facility Site... 2.0 9 Table 2.0 2 Privately Owned Parcels Gen tie Line... 2.0 68 Table 2.0 3 Gen tie Line Disturbance Acreage Details (Federal Land)... 2.0 101 Table 2.0 4 Gen tie Line Construction Schedule... 2.0 113 Table 2.0 5 Design Features and Best Management Practices CSE Facility Table 2.0 6 and Gen tie Line... 2.0 120 Design Features and Best Management Practices for the Gen tie Line on Federal Land... 2.0 120 Table 2.0 7 Comparison of Alternatives... 2.0 139 Table 3.1 1 Determining Visual Resource Inventory Classes... 3.1 3 Table 3.1 2 Visual Resource Management Objectives by Class... 3.1 4 Table 3.1 3 Consistency with General Plan... 3.1 6 Table 3.2 1 General Plan Consistency Analysis... 3.2 6 Table 3.2 2 Summary of Project Site Zoning... 3.2 23 Table 3.2 3 Project Consistency with Southern California Association of Governments Intergovernmental Review Policies... 3.2 25 Table 3.3 1 General Plan Consistency Analysis... 3.3 1 Table 3.3 2 Un Signalized and Signalized Intersection Level of Service (HCM 2000)... 3.3 4 Table 3.3 3 Roadway Segment Daily Capacity and LOS (Imperial County) 3.3 7 Table 3.3 4 Freeway Level of Service... 3.3 7 Table 3.3 5 Intersection Location and Date of Count... 3.3 8 Table 3.3 6 Roadway Segment and Date of Count... 3.3 9 Table 3.3 7 Freeway Segment and Date of Count... 3.3 10 Table 3.3 8 Existing (Year 2011) Intersection LOS... 3.3 10 Table 3.3 9 Existing (Year 2011) Roadway Segment LOS... 3.3 14 Table 3.3 10 Existing (Year 2011) Freeway LOS... 3.3 15 Table 3.4 1 Ambient Air Quality Standards... 3.4 3 Table 3.4 2 Project Consistency with Applicable SCAG Regional Transportation Plan Goals... 3.4 6 Table 3.4 3 Consistency With General Plan Policies... 3.4 8 Table 3.4 4 Latest Three Year Ambient Air Quality data near Project Site... 3.4 11 Table 3.5 1 State of California GHG Emissions by Sector... 3.5 10 Table 3.5 2 Global Warming Potentials and Atmospheric Lifetimes of GHGs... 3.5 10 Table 3.5 3 Estimated Changes in Nonrenewable Energy Potentially Needed to Meet California Loads, 2008 2020... 3.5 11 Table 3.5 4 Changes in Nonrenewable Energy, 2008 2020... 3.5 11 Table 3.6 1 General Plan Consistency Analysis... 3.6 6 Table 3.6 2 Summary of Earthquake Faults and Activity in the Vicinity of the Project Site... 3.6 9 Table 3.6 3 Summary of Project Site Soils... 3.6 14 Table 3.7 1 General Plan Consistency Analysis... 3.7 3 Table 3.7 2 Archaeological Investigations within a One mile Radius of the APE... 3.7 9 Table 3.7 3 Recorded Cultural Resources within a One mile Radius of the APE... 3.7 11 Table 3.7 4 Summary of Cultural Resources within the Survey Area... 3.7 17 Table 3.7 5 Summary of Cultural Resources within the Survey Area... 3.7 22 Table 3.8 1 General Plan Consistency Analysis... 3.8 3 Table 3.8 2 Roadway Noise Impact Zones... 3.8 5

Table 3.8 3 Project Site Ambient Noise Levels... 3.8 9 Table 3.9 1 General Plan Consistency Analysis... 3.9 3 Table 3.9 2 Department of Conservation Important Farmlands On Site... 3.9 5 Table 3.9 3 Soil Capability Classes Class Description Table... 3.9 9 Table 3.9 4 Storie Index Ratings Grade Index Rating Description... 3.9 10 Table 3.9 5 Imperial County Change in Agricultural Land Use Summary (2006 2008)... 3.9 10 Table 3.9 6 Soil Suitability Map Symbol Mapping Unit Capability... 3.9 11 Table 3.10 1 Project Consistency With Applicable General Plan Seismic and Public Safety Policies... 3.10 6 Table 3.10 2 Summary of Site Reconnaissance... 3.10 10 Table 3.11 1 General Plan Consistency Analysis... 3.11 4 Table 3.12 1 Imperial County General Plan Consistency Analysis... 3.12 4 Table 3.12 2 Vegetation Communities/Land Cover Types Within The CSE Facility and Gen tie Line (Private Lands) Survey Area... 3.12 8 Table 3.12 3 Vegetation Communities/Land Cover Types Within The CSE Gen tie Line (BLM administered Lands) Survey Area... 3.12 39 Table 3.12 4 Special Status Plant Species Potentially Occurring in the Gen tie Survey Area... 3.12 39 Table 3.13 1 Project Consistency With Applicable General Plan Seismic and Public Safety Policies... 3.13 3 Table 3.14 1 Economic and Demographic Comparison, 2009... 3.14 3 Table 3.14 2 Minority Population Comparison (By Percent)... 3.14 5 Table 3.14 3 Low Income Population Comparison (By Percent)... 3.14 6 Table 4.1 1 Visual Resource Management (VRM) Scenic Quality Rating... 4 1.3 Table 4.3 1 Project Trip Generation Summary... 4.3 2 Table 4.3 2 Construction Workforce Sources Based on Census 2000 Populations (85 Percent Local)... 4.3 3 Table 4.3 3 Significance Criteria... 4.3 18 Table 4.3 4 Existing (Year 2011) Plus Project Intersection LOS... 4.3 24 Table 4.3 6 Existing (Year 2011) Plus Project Freeway LOS... 4.3 25 Table 4.3 7 Year 2012 Intersection LOS (Without Project)... 4.3 29 Table 4.3 8 Year 2012 Roadway Segment LOS (Without Project)... 4.3 8 Table 4.3 9 Year 2012 Freeway LOS (Without Project)... 4.3 31 Table 4.3 10 Year 2012 With and Without Project Intersection LOS... 4.3 36 Table 4.3 11 Year 2012 With and Without Project Roadway Segment LOS... 4.3 36 Table 4.3 12 Year 2012 With and Without Project Freeway LOS... 4.3 38 Table 4.4 1 Phase I Construction Equipment and Durations as Modeled... 4.4 3 Table 4.4 2 ICAPCD Screening Thresholds for Criteria Pollutants... 4.4 5 Table 4.4 3 Expected Construction Emissions Summary... 4.4 7 Table 4.4 4 Expected Construction Emissions Summary... 4.4 10 Table 4.4 5 Expected Construction Emissions Summary (Tons per Year)... 4.4 11 Table 4.5 1 Generating Hours (Peak Electricity Consumption... 4.5 4 Table 4.5 2 Non Generating Hours (Peak Electricity Consumption)... 4.5 5 Table 4.5 3 Estimated Criteria Pollutant Emission Reductions Created by the Proposed Action... 4.5 5 Table 4.5 4 Comparison of Alternatives for Cumulative Greenhouse Gas Emissions Impacts... 4.5 17 Table 4.7 1 National Register of Historic Places Status and Potential for Impacts... 4.7 8 Table 4.7.2 Historic resources More Than 45 Years Old... 4.7 13 Table 4.7.3 National Register of Historic Places Status and Potential for Impacts... 4.7 17

Table 4.7.4 Historic resources More Than 45 Years Old... 4.7 20 Table 4.8 1 Property Line Noise Level Limits... 4.8 7 Table 4.8 2 Opening Year 2011 2012 Traffic Noise Levels without Project... 4.8 9 Table 4.8 3 Year 2011 2012 Traffic Noise Levels With Project... 4.8 10 Table 4.8 4 Year 2011 2012 without Project/Year 2011 2012 with Project Noise Levels... 4.8 11 Table 4.8 5 Construction Grading Noise Levels (Phase I & II)... 4.8 12 Table 4.8 6 PV Panel Installation Noise Levels... 4.8 13 Table 4.8 7 Transformer/Inverter and Tracker Noise Nearest Property Line... 4.8 15 Table 4.8 8 Measured Corona Noise Levels... 4.8 18 Table 4.9 1 Final LESA Score Sheet Summary... 4.9 4 Table 4.9 2 List of Cumulative Projects Agricultural Resources... 4.9 14 Table 4.9 3 Contribution to Cumulative Farmland Impacts Proposed Action and Alternatives 1, 2, and 3... 4.9 28 Table 4.11 1 Increase in Storm Water Flows by Basin... 4.11 6 Table 4.12 1 Vegetation Community Impacts By Alternative... 4.12 7 Table 4.12 2 Acres of Jurisdictional Waters Impacted by the Proposed Project or an Alternative.. 4.12 22 Table 4.12 3 Acres of CDFG Jurisdictional Areas Impacted by the Proposed Project or an Alternative... 4.12 23 Table 4.13 1 Potential Fossil yield Classification (PFYC) of Geologic Units... 4.13 2 Table 4.13 2 List of Paleontological Collecting Localities and Fossils Discovered... 4.13 3 Table 4.1 1 Visual Quality Rating Guidance... 4.1 3 Table 4.1 2 Visual Resource Management (VRM) Scenic Quality Rating... 4.1 4 Table 4.1 3 Table 5.0 1 Table 5.0 2 Table 5.1 1 Table 5.1 2 Table 5.2 1 Table 5.2 2 Table 5.3 1 Table 5.3 2 Visual Sensitivity Visual Change Guidance for Review of Impact Significance... 4.1 6 List of Cumulative Projects within the Jurisdiction of BLM in the Vicinity of the Proposed Action... 5.0 5 List of Cumulative Projects within the Jurisdiction Imperial County and Nearby Cities and Communities... 5.0 12 List of Cumulative Projects within the Jurisdiction of BLM in the Vicinity of the Visual Resources... 5.0 25 List of Cumulative Projects within Imperial County in the Vicinity of the Visual Resources... 5.0 28 List of Cumulative Projects within the Jurisdiction of BLM in the Vicinity of the Land Use and Special Designations... 5.0 44 List of Cumulative Projects within Imperial County in the Vicinity of the Proposed Action for the Analysis of Cumulative Impacts to Land Use and Special Designations... 5.0 47 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Transportation and Circulation 5.0 66 List of Cumulative Projects Within Imperial County in the Vicinity of the Proposed Action for the Analysis of Cumulative Impacts to Transportation and Circulation 5.0 68 Table 5.3 3 Year 2012 Plus Project Plus Cumulative Intersection LOS... 5.0 71 Table 5.3 4 Year 2012 Plus Project Plus Cumulative Segment LOS... 5.0 77 Table 5.3 5 Year 2012 Plus Project Plus Cumulative Freeway LOS... 5.0 78

Table 5.3 6 Horizon Year 2050 Segment Operations... 5.0 79 Table 5.3 7 Impact Summary... 5.0 84 Table 5.4 1 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Air Quality... 5.0 86 Table 5.4 2 List of Cumulative Projects Within Imperial County in the Vicinity of the Air Quality... 5.0 90 Table 5.6 1 List of Cumulative Projects within the Jurisdiction of BLM in the Vicinity of the Geology and Soils... 5.0 99 Table 5.6 2 List of Cumulative Projects within the Jurisdiction of Imperial County in the Vicinity of the Geology and Soils... 5.0 102 Table 5.7 1 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Cultural Resources... 5.0 113 Table 5.7 2 List of Cumulative Projects Within Imperial County in the Vicinity of the Proposed Action for the Analysis of Cumulative Impacts to Cultural Resources... 5.0 117 Table 5.8.1 Year 2011 2012 Traffic Noise Levels (With Project + Cumulative)... 5.0 127 Table 5.8 2 Year 2011 2012 vs. Year 2011 2012 Plus Project Plus Cumulative Noise... 5.0 129 Table 5.9 1 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Agricultural Resources... 5.0 137 Table 5.9 2 List of Cumulative Projects Within Imperial County in the Vicinity of the Agricultural Resources... 5.0 141 Table 5.10 1 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Hazards and Hazardous Materials... 5.0 153 Table 5.10 2 List of Cumulative Projects Within Imperial County in the Vicinity of the Proposed Action for the Analysis of Cumulative Impacts to Hazards and Hazardous Materials... 5.0 157 Table 5.11 1 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Hydrology and Water Quality... 5.0 171 Table 5.11 2 List of Cumulative Projects Within Imperial County in the Vicinity of the Hydrology and Water Quality... 5.0 175 Table 5.12 1 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Biological Resources... 5.0 188 Table 5.12 2 List of Cumulative Projects Within Imperial County in the Vicinity of the Proposed Action for the Analysis of Cumulative Impacts to Biological Resources... 5.0 192 Table 5.12 3 Approved or Proposed Actions in the Imperial Valley... 5.0 198 Table 5.13 1 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Paleontological Resources... 5.0 209

Table 5.13 2 Table 5.14 1 Table 5.14 2 Table 5.15 1 Table 5.15 2 List of Cumulative Projects Within Imperial County in the Vicinity of the Proposed Action for the Analysis of Cumulative Impacts to Paleontological Resources... 5.0 214 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Environmental Justice... 5.0 227 List of Cumulative Projects Within Imperial County in the Vicinity of the Environmental Justice... 5.0 231 List of Cumulative Projects Within the Jurisdiction of BLM in the Vicinity of the Recreation... 5.0 240 List of Cumulative Projects Within Imperial County in the Vicinity of the Proposed Action for the Analysis of Cumulative Impacts to Recreation... 5.0 224