Docket Log

Docket: 24-OPT-03
Project Title: Soda Mountain Solar
Generated On: 6/21/2025 1:07:37 AM

Include:     
TN #Docketed DateDocument TitleExhibit #ToFrom
2643496/18/2025 Second Determination of Incomplete Application and Request for Information for the Soda Mountain Solar Project (24-OPT-03)

70 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2626214/9/2025 Christina Aiello Comments - Response to Appendix AA regarding impacts to bighorn sheep

Biological Resources
4 page(s)
 CEC/Docket UnitChristina Aiello
2622463/19/2025 Christina Aiello Comments - subtitle corrections to submitted documents under comment titled Impacts to Bighorn Sheep

Biological Resources
24 page(s)
 CEC/Docket UnitChristina Aiello
2618582/18/2025 Donald Priest Comments - Opposition to Soda Mountain Solar Project Due to Conservation and Recreational Concerns

3 page(s)
 CEC/Docket Unit Donald Priest
2617191/30/2025 Soda_Mountain_Solar_HRA
Soda_Mountain_Solar_Historic Resources Assessment
111 page(s)
 CEC/Drew BohanBureau of Land Management
2617181/30/2025 Soda Mountain Solar CRTR
Soda Mountain Solar cultural resources report
177 page(s)
 CEC/Drew BohanBureau of Land Management
2616712/10/2025 Appendix BB - Stormwater Pollution Prevention Plan
Part 2 of the Stormwater Pollution Prevention Plan.
Soil and Water
207 page(s)
 CEC/Docket UnitResolution Environmental
2616702/10/2025 Appendix BB1 - Stormwater Pollution Prevention Plan
Part 1 of the Stormwater Pollution Prevention Plan.
Soil and Water
115 page(s)
 CEC/Docket UnitResolution Environmental
2616682/10/2025 CEC Data Request Response Set #2
This document provides detailed information on each item included in Data Request Response Set #2.
Alternatives, Biological Resources, Cultural Resources, Project Description, Transmission Line Safety and Nuisance, Visual Resources, Soil and Water
32 page(s)
 CEC/Docket UnitResolution Environmental
2616672/10/2025 Appendix AA_Determination of Infeasibility for DR BIO-20
Appendix AA provides a determination of infeasibility for CEC Data Request BIO-20, which requested an assessment of the feasibility of a 0.25-mile buffer from areas with 10% slope.
Alternatives, Biological Resources
43 page(s)
 CEC/Docket UnitResolution Environmental
2616662/10/2025 Chapter 4 Alternatives – February 2025 – Revision 1
**This document supersedes in full document TN #257936.** Revisions made address CEC data requests ALT-1 through ALT-3. The Alternatives chapter discusses a range of alternatives to the proposed project, including alternative locations, alternative designs, and a No Project Alternative.
Alternatives
77 page(s)
 CEC/Docket UnitResolution Environmental
2616062/7/2025 Appendix E-3 Request for Jurisdictional Determination
This file contains the request for jurisdictional determination to the Army Corp of Engineers.
Biological Resources
35 page(s)
 CEC/Docket UnitResolution Environmental
2616052/7/2025 Appendix J Water Supply Report – February 2025 – Revision 1
This document replaces in full TN 257930. Revisions made address CEC data requests WATER-1 through WATER-30.
Soil and Water
100 page(s)
 CEC/Docket UnitResolution Environmental
2616042/7/2025 Appendix E-1 Aquatic Resources Delineation
This document replaces in full TN 257933. This file contains the aquatic resources delineation for the project.
Biological Resources
136 page(s)
 CEC/Docket UnitResolution Environmental
2616032/7/2025 Appendix D-1 Biological Resources Technical Report – February 2025 – Revision 1
This document replaces in full TN 257902. Revisions made address CEC data requests BIO-1 through BIO-20. This report describes how biological resources surveys were performed, and how, based on the results of the surveys, biological resources may be potentially affected by the construction, operation, maintenance, and decommissioning of the project. Desert bighorn sheep (Ovis canadensis nelsoni) information and analysis is not covered in this report.
Biological Resources
254 page(s)
 CEC/Docket UnitResolution Environmental
2616022/7/2025 Appendix B Visual Resources Technical Report - February 2025 – Revision 1
This document replaces in full TN 257950. Revisions made address CEC data requests VIS-1 through VIS-12. This technical report details results of the visual resource analysis and accompanying studies relating to the potential for impacts associated with the construction, operation, maintenance, and decommissioning of the Project.
Visual Resources
189 page(s)
 CEC/Docket UnitResolution Environmental
2616012/7/2025 Section 310 Hydrology and Water Quality – February 2025 – Revision 1
This document replaces in full TN 257909. Revisions made address CEC data requests WATER-1 through WATER-30. This Section evaluates the direct, indirect and cumulative impacts the Project may have on hydrology and water quality and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Soil and Water
34 page(s)
 CEC/Docket UnitResolution Environmental
2616002/7/2025 Section 318 Tribal Cultural Resources – February 2025 – Revision 1
This document replaces in full TN 257917. Revisions made address CEC data requests CUL/TRI-1 through CUL/TRI-21. This Section evaluates the direct, indirect and cumulative impacts the Project may have on Tribal Cultural Resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Cultural Resources
16 page(s)
 CEC/Docket UnitResolution Environmental
2615992/7/2025 Section 319 Utilities and Service Systems – February 2025 – Revision 1
This document replaces in full TN 257916. Revisions made address CEC data requests WATER-1 through WATER-30. This Section evaluates the direct, indirect and cumulative impacts the Project may have related to utilities and service systems and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Soil and Water
14 page(s)
 CEC/Docket UnitResolution Environmental
2615982/7/2025 Section 31_Aesthetics – February 2025 – Revision 1
This document replaces in full TN 257910. Revisions made address CEC data requests VIS-1 through VIS-12. This Section evaluates the direct, indirect and cumulative impacts the Project may have on visual resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Visual Resources
38 page(s)
 CEC/Docket UnitResolution Environmental
2615972/7/2025 Section 34 Biological Resources – February 2025 – Revision 1
This document replaces in full TN 257926. Revisions made address CEC data requests BIO-1 through BIO-20. This Section evaluates the direct, indirect and cumulative impacts the Project may have on biological resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Biological Resources
75 page(s)
 CEC/Docket UnitResolution Environmental
2615962/7/2025 Section 35, Cultural Resources – February 2025 – Revision 1
This document replaces in full TN 257925. Revisions made address CEC data requests CUL/TRI-1 through CUL/TRI-21. This Section evaluates the direct, indirect and cumulative impacts the Project may have on cultural resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Cultural Resources
59 page(s)
 CEC/Docket UnitResolution Environmental
2615952/7/2025 Chapter 2_Project Description – February 2025 – Revision 1
This document replaces in full TN 257912. Revisions made address CEC data requests PD-1 through PD-3. This Chapter provides a detailed description of the Proposed Soda Mountain Solar Project.
Project Description
28 page(s)
 CEC/Docket UnitResolution Environmental
2615942/7/2025 Appendix D4b – Appendices for Incidental Take Permit Application
This file contains the appendices to the Incidental Take Permit Application
106 page(s)
 CEC/Docket UnitResolution Environmental
2615932/7/2025 Appendix D4 – Incidental Take Permit Application
This file contains the Section 2081 Incidental Take Permit Application for the Mojave Desert Tortoise and Burrowing Owl.
Biological Resources
41 page(s)
 CEC/Docket UnitResolution Environmental
2615922/7/2025 Appendix E-4 Waste Discharge Requirements
This file contains the application for discharges of dredged or fill material to waters of the State.
Biological Resources, Soil and Water
396 page(s)
 CEC/Docket UnitResolution Environmental
2615912/7/2025 Appendix D-5 Biologist Resumes
This file contains the resumes for the project biologists.
Biological Resources
61 page(s)
 CEC/Docket UnitResolution Environmental
2615902/7/2025 Appendix D2 Appendices for Biological Resources Technical Report– February 2025 – Revision 1
This document provides the appendices to Appendix D1 Biological Resources Technical Report – February 2025 – Revision 1
Biological Resources
244 page(s)
 CEC/Docket UnitResolution Environmental
2615892/7/2025 Appendix D3 – Restoration and Revegetation Plan for Temporary Impact Areas
This document guides the restoration of areas temporarily disturbed by construction activities.
Biological Resources
42 page(s)
 CEC/Docket UnitResolution Environmental
2615882/7/2025 Appendix E-5 CDFW LSAA
This document contains the application for a Lake and Streambed Alteration Agreement.
Biological Resources
20 page(s)
 CEC/Docket UnitResolution Environmental
2615872/7/2025 Appendix Z – Mitigation Measure MM BIO-3
This document provides specific information related to MM BIO-3.
Biological Resources
34 page(s)
 CEC/Docket UnitResolution Environmental
2615862/7/2025 Appendix Y Electric and Magnetic Field Study Report
This report is an assessment of the electric and magnetic field (EMF) and Electric Field for the Soda Mt. interconnection facilities. This document address CEC data requests TSSN-1 through TSSN-5.
Transmission Line Safety and Nuisance
24 page(s)
 CEC/Docket UnitResolution Environmental
2615852/7/2025 Appendix X2 – FAA Informal Review Determination
This supplements Appendix X and provides the FAA informal determination for the project.
Land Use
1 page(s)
 CEC/Docket UnitResolution Environmental
2614641/30/2025 Confidential Docket Request -Soda Mountain_Bureau of Land Management
Request for docket confidentiality
2 page(s)
 CEC/Drew BohanBureau of Land Management
2612551/23/2025 Christina Aiello Comments - Impacts to desert bighorn sheep

Biological Resources
24 page(s)
 CEC/Docket UnitChristina Aiello
26048711/4/2024 Confidential Appendix P Soda Mountain Solar Economic Impact Report
Confidential Appendix P Soda Mountain Solar Economic Impact Report
70 page(s)
 CEC/Docket UnitResolution Environmental
26048612/5/2024 CEC Response to Soda Mountain Solar, LLC's Application for Confidential Designation - Appendix P, Socioeconomic Impacts

Socioeconomics
3 page(s)
 Michael Cocchimiglio / Soda Mountain Solar LLCCalifornia Energy Commission
26018711/20/2024 CEC Response Letter to Soda Mountain's Application for Confidential Designation - Transmission

2 page(s)
 Michael Cocchimiglio Soda Mountain Solar LLCCalifornia Energy Commission
26018610/25/2024 Confidential Appendix O3, Interconnection Facilities Study Report
Interconnection Facilities Study Report. This document addresses CEC data request TSD-5.
22 page(s)
 CEC/Drew BohanResolution Environmental
26018510/25/2024 Confidential Appendix O4, Interconnection Facilities Study Report – Supplement No 1
Interconnection Facilities Study Report – Supplement No 1. This document addresses CEC data request TSD-5.
11 page(s)
 CEC/Drew BohanResolution Environmental
26018410/25/2024 Confidential Appendix O5, Interconnection Facilities Study Report – Supplement No 2
Interconnection Facilities Study Report – Supplement No 2. This document addresses CEC data request TSD-5.
23 page(s)
 CEC/Drew BohanResolution Environmental
25990311/5/2024 Non-Confidential Appendix P Soda Mountain Solar Economic Impact Report
This document contains the Non-Confidential Appendix P Soda Mountain Solar Economic Impact Report. Revisions were made to address CEC DR MAND-1 and DR SOCIO-1 through SOCIO-10.
Socioeconomics
70 page(s)
 CEC/Docket UnitResolution Environmental
25987811/4/2024 Application for Confidential Designation - Appendix P
Application for Confidential Designation - Appendix P
4 page(s)
 CEC/Docket UnitResolution Environmental
25987611/4/2024 CEC Data Request Response Set #1
This document provides detailed information on each item included in Data Request Response Set #1.
Air Quality, Executive Summary, Geology/Paleontology, Hazardous Materials, Land Use, Public Health, Socioeconomics, Traffic and Transportation, Worker Safety and Fire Protection, Waste Management, Soil and Water, Greenhouse Gases
152 page(s)
 CEC/Docket UnitResolution Environmental
25971210/25/2024 Appendix R Waste Management Plan - October 2024 - Revision 1
This document replaces in full TN # 257903. Revisions made address CEC data request WASTE-1.
Waste Management
40 page(s)
 CEC/Docket UnitResolution Environmental
25971110/25/2024 Appendix C-1 Air Quality and Greenhouse Gas Technical Report - October 2024 - Revision 1
This document replaces in full TN # 257949. Revisions made address CEC data requests AQ-1 through AQ-6 and GHG-1 through GHG-7. This report analyzes potential air quality and climate change impacts related to the Soda Mountain Solar Project, conducted to comply with Mojave Desert Air Quality Management District (MDAQMD) requirements for air quality and climate change assessments and to satisfy CEQA.
Air Quality
175 page(s)
 CEC/Docket UnitResolution Environmental
25971010/25/2024 Section 3-21 Public Health
Section 3-21 was created to address CEC data requests PH-1 through PH-10. This section evaluates the public health impacts of the proposed project.
Public Health
19 page(s)
 CEC/Docket UnitResolution Environmental
25970910/25/2024 Section 3-22 Paleontological Resources
Section 3-22 was created to address CEC data requests PALEO-1 through PALEO-4. This section evaluates the potential for impacts to known and unknown paleontological resources.
Geology/Paleontology
16 page(s)
 CEC/Docket UnitResolution Environmental
25970810/25/2024 Appendix A1 Engineering Generation Facility Description, Design and Operation - October 2024 - Revision 1
This document replaces in full TN # 257906. Revisions made address CEC data requests TSD-1 through TSD-7.
Transmission Line Safety and Nuisance, Transmission System Engineering
9 page(s)
 CEC/Docket UnitResolution Environmental
25970710/25/2024 Appendix C-2 – Dust Control Plan
This document addresses CEC Data Request AQ-1.
Air Quality
28 page(s)
 CEC/Docket UnitResolution Environmental
25970610/25/2024 Appendix I Phase I Environmental Site Assessment - October 2024 - Revision 1
This document replaces in full TN # 257931. Revisions made address CEC data request SOIL-3. This document includes a Phase I ESA of the subject property, performed in conformance with the scope and limitations of ASTM International Standard 2247-16.
Hazardous Materials
231 page(s)
 CEC/Docket UnitResolution Environmental
25970510/25/2024 Appendix M Transportation Analysis - October 2024 - Revision 1
This document replaces in full TN # 257944. Revisions made address CEC data requests TRANS-1 through TRANS-12. This report presents the findings of the analysis conducted under CEQA and the local transportation analysis for the Project. This report adheres to the California Energy Commission (CEC) requirements for CEQA analyses, while also being consistent with the San Bernardino County Transportation Impact Study Guidelines (2019) for the Desert region of San Bernardino County, and Caltrans1 Guidelines for the preparation of transportation studies.
Traffic and Transportation
156 page(s)
 CEC/Docket UnitResolution Environmental
25970410/25/2024 Appendix Q Worker Safety - October 2024 - Revision 1
This document replaces in full TN # 257942. Revisions made address CEC data requests WS-1 through WS-4. This worker safety plan summarizes the worker health and safety issues that may be encountered during construction and operation of the Project, as specified in Title 20, California Code of Regulations, Section 1704, Appendix B for worker safety.
Worker Safety and Fire Protection
43 page(s)
 CEC/Docket UnitResolution Environmental
25970310/25/2024 Section 3-3 Air Quality - October 2024 - Revision 1
This document replaces in full TN # 257927. Revisions made address CEC data requests AQ-1 through AQ-6. The Air Quality Section evaluates the direct, indirect and cumulative impacts the Project may have on air quality and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Air Quality
34 page(s)
 CEC/Docket UnitResolution Environmental
25970210/25/2024 Section 37 Geology and Soils - October 2024 - Revision 1
This document replaces in full TN # 257923. Revisions made address CEC data requests SOILS-1 through SOILS-3. This Section evaluates the direct, indirect and cumulative impacts the Project may have on geology and soil resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Geology/Paleontology
27 page(s)
 CEC/Docket UnitResolution Environmental
25970110/25/2024 Section 3-8 Greenhouse Gas Emissions - October 2024 - Revision 1
This document replaces in full TN # 257922. Revisions made address CEC data requests GHG-1 through GHG-7. This Section evaluates the direct, indirect and cumulative impacts the Project may have on greenhouse gas emissions and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures
Greenhouse Gases
17 page(s)
 CEC/Docket UnitResolution Environmental
25970010/25/2024 Section 3-9 Hazards and Hazardous Materials - October 2024 - Revision 1
This document replaces in full TN # 257937. Revisions made address CEC data requests HAZ-1 through HAZ-9. This Section evaluates the direct, indirect and cumulative impacts the Project may have related to hazards and hazardous materials and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Hazardous Materials
49 page(s)
 CEC/Docket UnitResolution Environmental
25969910/25/2024 Section 3-11 Land Use and Planning - October 2024 - Revision 1
This document replaces in full TN # 257908. Revisions made address CEC data requests LAND-1 through LAND-5. The Land Use and Planning Section evaluates the direct, indirect and cumulative impacts the Project may have on land use and planning and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Land Use
13 page(s)
 CEC/Docket UnitResolution Environmental
25969810/25/2024 Section 3-17 Transportation - October 2024 - Revision 1
This document replaces in full TN # 257918. Revisions made address CEC data requests TRANS-1 through TRANS-12. The Transportation Section evaluates the direct, indirect and cumulative impacts the Project may have on transportation resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Traffic and Transportation
25 page(s)
 CEC/Docket UnitResolution Environmental
25969710/25/2024 Appendix W, BLM Record of Decision
This document provides the 2016 Bureau of Land Management Record of Decision. This document addresses CEC data request LAND-1.
Land Use
205 page(s)
 CEC/Docket UnitResolution Environmental
25969610/25/2024 Appendix X – FAA Informal Review
DOD Siting Clearinghouse – Informal Review Request Form and Correspondence
Land Use
6 page(s)
 CEC/Docket UnitResolution Environmental
25969510/25/2024 Data Request Response #1
Data Request Response #1 to September 3, 2024 Determination of Incomplete Application and Request for Information
Compliance
5 page(s)
 CEC/Docket UnitResolution Environmental
25969410/25/2024 Appendix N Public Notice Package - October 2024 - Revision 1
This document replaces in full TN # 257941. Revisions made address CEC data request ES-2. The document identifies parcels within 500 feet of the proposed transmission line and other linear facilities and parcels within 1000 feet of the proposed powerplant and related facilities.
Executive Summary
14 page(s)
 CEC/Docket UnitResolution Environmental
25969310/25/2024 Chapter 1 Executive Summary – Revision 1 -October 2024
This document replaces in full the Executive Summary document (TN 257913) that was previously docketed on July 23, 2024. Revisions made address CEC data requests ES-1 through ES-4. This Chapter summarizes the Project objectives, location, elements, schedule, ownership and history.
Executive Summary
8 page(s)
 CEC/Docket UnitResolution Environmental
25969210/25/2024 Application for Confidential Designation
Application for Confidential Designation • Appendix O3, Interconnection Facilities Study Report. Generation Interconnection. May 2013, All Pages • Appendix O4 Interconnection Facilities Study Report – Supplement No 1. Generation Interconnection. Final. May 15 2017, All Pages • Appendix O5, Interconnection Facilities Study Report – Supplement No 2. Large Generation Interconnection. Final. May 31 2024, All Pages
4 page(s)
 CEC/Drew BohanResolution Environmental
25948610/8/2024 PROJECT COMMENT – NOTICE OF APPLICATION FOR THE SODA MOUNTAIN SOLAR PROJECT (24-OPT-03) IN BARSTOW, SAN BERNARDINO COUNTY
Comment from San Bernadino County Department of Public Works
2 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2593349/27/2024 Courtesy Tribal Notification for Soda Mountain Solar Project (24-OPT-03) and Distribution List
Emailed September 27, 2024
Cultural Resources
6 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2592628/15/2024 Confidential Appendix P Socioeconomic Impacts
Confidential Appendix P Socioeconomic Impacts
42 page(s)
 CEC/Docket UnitResolution Environmental
2592119/18/2024 CEC Response Letter to Soda Mountain's Application for Confidentiality socioeconomic

3 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2591897/30/2024 Cultural Resources Inventory 2013
Cultural resources inventory report for additional survey for soda mountain solar
19 page(s)
 CEC/Drew BrohanBureau of Land Management
2591887/30/2024 Cultural Inventory Report 2009
Cultural Inventory Report 2009 for Soda Mtn Solar
70 page(s)
 CEC/Drew BrohanBureau of Land Management
2591499/13/2024 CEC Response to Soda Mountain Solar - BLM's App for Confidential Designation

2 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2590649/9/2024 CEC response letter to Bureau of Land Management – Barstow Field Office’s Application for Confidentiality, dated August 1, 24

2 page(s)
 Bureau of Land Management - Barstow Field Office/Alexis FrancoisCalifornia Energy Commission
2590638/1/2024 Soda Mountain Solar Reconnaissance survey 2024
2024 inventory report
163 page(s)
 CEC/Drew BrohanBureau of Land Management
2590628/1/2024 Soda Solar Blue Bell Mine Survey
Additional survey associated with original 2009 report
12 page(s)
 CEC/Drew BrohanBureau of Land Management
2590618/1/2024 Soda_Mountain_Solar_HRA
2024 historic resources assessment
181 page(s)
 CEC/Drew BrohanBureau of Land Management
2588969/3/2024 Determination of Incomplete Application and Request for Information for the Soda Mountain Solar Project (24-OPT-03)

199 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2586727/23/2024 Confidential H Appendix A and B
EIR Appendix H, Paleontological Resources Technical Report for the Soda Mountain Solar Project, February 2024 o Appendix A, Natural History Museum of Los Angeles County Paleontological Records Search, All Pages o Appendix B, San Bernardino County Museum Paleontological Records Search, All Pages
8 page(s)
 CEC/Docket Unit Resolution Environmental
2586717/23/2024 Confidential D1 Appendix C
EIR Appendix D-1, Soda Mountain Solar Project Biological Resources Technical Report – Appendix C, California Natural Diversity Database 10-Mile Search 1:6,000 Scale Map, June 2024, All Pages
49 page(s)
 CEC/Docket UnitResolution Environmental
2586707/23/2024 Appendix O1 System Impact Restudy
System Impact Restudy (CONFIDENTIAL)
86 page(s)
 CEC/Docket UnitResolution Environmental
2586697/23/2024 Appendix O2 Large Generator Interconnection Agreement
Large Generator Interconnection Agreement (CONFIDENTIAL)
98 page(s)
 CEC/Docket UnitResolution Environmental
2585788/20/2024 CEC Response Letter to Soda Mountain Solar LLC re Confidentiality Application, dated July 23, 2024

4 page(s)
 Soda Mountain Solar, LLC/Michael CocchimiglioCalifornia Energy Commission
2585068/15/2024 Non-confidential Appendix P Socioeconomic Impacts
This document contains the non-confidential Appendix P, Socioeconomic Impacts.
42 page(s)
 CEC/Docket UnitResolution Environmental
2585048/15/2024 Application for Confidential Designation
Appendix P, Socioeconomic Impacts on San Bernardino County of the Proposed Soda Mountain Project: Highlighted text on pages: 1-2, 15-17, 19-23 and 34-37.
5 page(s)
 CEC/Docket UnitResolution Environmental
2584848/13/2024 Mojave Water District Response to NOR of Opt-In Application for Soda Mountain Solar Project
Response Received via email on August 13, 2024
Soil and Water
2 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2584618/12/2024 Appendix D4 - Appendix A to 2024 Biological Resources Technical Report
This file contains Appendix A to the 2024 Biological Resources Technical Report.
Biological Resources
263 page(s)
 CEC/Docket UnitResolution Environmental
2584608/12/2024 Appendix D5 – Appendices D-G to 2024 Biological Resources Technical Report
This file contains Appendices D through G to the 2024 Biological Resources Technical Report.
Biological Resources
93 page(s)
 CEC/Docket UnitResolution Environmental
2584598/12/2024 Appendix D6 – Appendices H-R to 2024 Biological Resources Technical Report
This file contains Appendices H through R to the 2024 Biological Resources Technical Report.
Biological Resources
179 page(s)
 CEC/Docket UnitResolution Environmental
2583758/7/2024 Attorney General Notification of Application Receipt for Soda Mountain Solar Project (24-OPT-03) & distribution list
Distributed via email on August 7, 2024
5 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2583748/7/2024 Federal, State, Other Agency Notification of Application Receipt for Soda Mountain Solar Project (24-OPT-03) & distribution list
Distributed via email on August 7, 2024
6 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2583738/7/2024 Local Agency Notification of Receipt of Opt-In Application for Soda Mountain Solar Project (24-OPT-03) and distribution list
Distributed via email on August 7, 2024
6 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2582808/2/2024 Notice of Receipt of an Opt-In Application for MOU Agencies and distribution list
Emailed to California Fish and Wildlife- Region 6, Department of Toxic Substances Control, State Water Control Board, and Lahontan Regional (R6) Water Quality Control Board on August 2, 2024
4 page(s)
 CEC/Docket UnitCalifornia Energy Commission
2582728/1/2024 Receipt of Opt-in Application
For the Soda Mountain Solar Project (24-OPT-03)
1 page(s)
 Bureau of Land ManagementCalifornia Energy Commission
2582638/1/2024 Confidential Docket Resubmit -Soda Mountain_Bureau of Land Management
Confidentiality statement
2 page(s)
 CEC/Drew BrohanBureau of Land Management
2581957/30/2024 Confidential Docket Request -Soda Mountain_Bureau of Land Management

2 page(s)
 CEC/Drew BrohanBureau of Land Management
2579557/23/2024 Application for Confidential Designation
Application for Confidential Designation for: - EIR Appendix D-1, Soda Mountain Solar Project Biological Resources Technical Report – Appendix C, California Natural Diversity Database 10-Mile Search 1:6,000 Scale Map, June 2024, All Pages - EIR Appendix H, Paleontological Resources Technical Report for the Soda Mountain Solar Project, February 2024 o Appendix A, Natural History Museum of Los Angeles County Paleontological Records Search, All Pages o Appendix B, San Bernardino County Museum Paleontological Records Search, All Pages
3 page(s)
 CEC/Docket UnitResolution Environmental
2579507/23/2024 Appendix B Visual Resources Technical Report
This technical report details results of the visual resource analysis and accompanying studies relating to the potential for impacts associated with the construction, operation, maintenance, and decommissioning of the Project.
120 page(s)
 CEC/Docket UnitResolution Environmental
2579497/23/2024 Appendix C Air Quality and Greenhouse Gas Technical Report
This report analyzes potential air quality and climate change impacts related to the Soda Mountain Solar Project, conducted to comply with Mojave Desert Air Quality Management District (MDAQMD) requirements for air quality and climate change assessments and to satisfy CEQA.
180 page(s)
 CEC/Docket UnitResolution Environmental
2579487/23/2024 Appendix D2 Desert Bighorn Sheep Study
This Technical Report provides an evaluation of the Soda Mountain Solar Project on Desert bighorn sheep (Ovis canadensis nelsoni).
Biological Resources
120 page(s)
 CEC/Docket UnitResolution Environmental
2579477/23/2024 Appendix D 3 Biologist Resumes

Biological Resources
49 page(s)
 CEC/Docket UnitResolution Environmental
2579467/23/2024 Appendix K Stormwater Drainage Report
In this Appendix, hydrologic conditions were analyzed to understand the existing and future flood hazards for the proposed Project site; determine inundation areas and spatial distribution of stormwater depths and velocities for the 2-year, 10-year, and 100-year 24-hour storm events; and identify any flood hazard areas within the site.
Soil and Water
47 page(s)
 CEC/Docket UnitResolution Environmental
2579457/23/2024 Appendix L Noise and Ground Vibration Technical Report
The purpose of this report is to present the analysis and noise impact estimates for the construction and operation of the project. The analysis outlines the existing noise environment at the project site, estimates future noise and vibration levels at neighboring locations as a result of the project’s construction and operation, and evaluates the potential for significant impacts. Also provided is an assessment of the project’s contribution to potential cumulative noise impacts.
63 page(s)
 CEC/Docket UnitResolution Environmental
2579447/23/2024 Appendix M Transportation Analysis
This report presents the findings of the analysis conducted under CEQA and the local transportation analysis for the Project. This report adheres to the California Energy Commission (CEC) requirements for CEQA analyses, while also being consistent with the San Bernardino County Transportation Impact Study Guidelines (2019) for the Desert region of San Bernardino County, and Caltrans1 Guidelines for the preparation of transportation studies.
Traffic and Transportation
94 page(s)
 CEC/Docket UnitResolution Environmental
2579437/23/2024 Appendix V Supplemental Information
Facility Definitions, Permit Applications Submitted, Permits Required, Relevant Regulatory Framework, Prohibited Area Analysis and Environmental Leadership and Development Project Requirements.
Compliance
19 page(s)
 CEC/Docket UnitResolution Environmental
2579427/23/2024 Appendix Q Worker Safety Plan
This worker safety plan summarizes the worker health and safety issues that may be encountered during construction and operation of the Project, as specified in Title 20, California Code of Regulations, Section 1704, Appendix B for worker safety.
Worker Safety and Fire Protection
36 page(s)
 CEC/Docket Unit Resolution Environmental
2579417/23/2024 Appendix N Public Noticing Package
Parcels within 500 feet of the proposed transmission line and other linear facilities and parcels within 1000 feet of the proposed powerplant and related facilities.
Compliance
13 page(s)
 CEC/Docket UnitResolution Environmental
2579407/23/2024 Appendix S Community Benefit Agreement Strategy

Compliance
3 page(s)
 CEC/Docket UnitResolution Environmental
2579397/23/2024 Appendix U Closure and Decommissioning Plan
The Closure and Decommissioning Plan outlines the framework for decommissioning and reclamation of the Soda Mountain Solar Project.
Compliance
8 page(s)
 CEC/Docket UnitResolution Environmental
2579387/23/2024 Appendix T Labor Certifications
Certification the Project will comply with the prevailing wage and workforce requirements set forth in Assembly Bill 205 (“AB 205”), including compliance with Public Resources Code sections 25545.3.3 and 25545.3.5.
Compliance
3 page(s)
 CEC/Docket Unit/Eric KnightResolution Environmental
2579377/23/2024 Section 3-9 Hazards and Hazardous Materials
This Section evaluates the direct, indirect and cumulative impacts the Project may have related to hazards and hazardous materials and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Hazardous Materials
33 page(s)
 CEC/Docket UnitResolution Environmental
2579367/23/2024 Chapter 4 Alternatives
** This document has been superseded by document TN #261666.** This chapter discusses a range of alternatives to the proposed project, including alternative locations, alternative designs, and a No Project Alternative.
Alternatives
6 page(s)
 CEC/Docket UnitResolution Environmental
2579357/23/2024 Chapter 5 Other CEQA Considerations
This Chapter evaluates growth-inducing impacts, significant and unavoidable impacts and significant irreversible environmental changes.
3 page(s)
 CEC/Docket UnitResolution Environmental
2579347/23/2024 Chapter 6 Report Preparation
This Chapter identifies the preparers of the Environmental Impact Report.
2 page(s)
 CEC/Docket UnitResolution Environmental
2579337/23/2024 Appendix E1 Aquatic Resources Delineation
This Appendix describes the desktop data, field data, remote sensing data, and modeling and machine learning that were used to delineate aquatic resources potentially subject to regulation by the U.S. Army Corps of Engineers (USACE) pursuant to Clean Water Act (CWA) Section 404 (for discharge of fill material into “waters of the United States”), the California Water Boards by the Lahontan Regional Water Quality Control Board (RWQCB) pursuant to the CWA Section 401 (for discharge of fill material into “waters of the United States / waters of the State”) and the Porter Cologne Water Quality Control Act (Porter-Cologne) waste discharge requirements (for discharge into “waters of the State”), and the California Department of Fish and Wildlife (CDFW) pursuant to the California Fish and Game Code Section 1602 Lake and Streambed Alteration Program and its subsequent revisions (for substantial changes to “streambed”).
Biological Resources
132 page(s)
 CEC/Docket UnitResolution Environmental
2579327/23/2024 Appendix H Paleontological Resources Technical Report
This Appendix summarize the results of a renewed paleontological resources assessment, which includes a review of geologic maps, geotechnical investigation data, scientific literature, confidential fossil locality records from the Natural History Museum of Los Angeles County (NHMLA) and the San Bernardino County Museum (SBCM), the BLM’s Potential Fossil Yield Classification (PFYC) mapping, and a reconnaissance survey. This technical report also includes a discussion of the potential of the project to impact scientifically significant paleontological resources and provides mitigation recommendations to reduce potential impacts to less-than-significant levels, pursuant to CEQA.
Geology/Paleontology
56 page(s)
 CEC/Docket UnitResolution Environmental
2579317/23/2024 Appendix I Phase I Environmental Site Assessment
A Phase I ESA of the subject property, performed in conformance with the scope and limitations of ASTM International Standard 2247-16.
Compliance, Hazardous Materials
231 page(s)
 CEC/Docket UnitResolution Environmental
2579307/23/2024 Appendix J Water Supply Assessment
California Senate Bill (SB) 610 and SB 221 amended the California Water Code (CWC) to stipulate projects subject to the California Environmental Quality Act (CEQA) require preparation of a water supply assessment (WSA) for industrial facilities occupying more than 40 acres of land (CWC Section 10912(a)). The Soda Mountain Solar Project comprises more than 40 acres; therefore, this WSA has been prepared.
Soil and Water
55 page(s)
 CEC/Docket UnitResolution Environmental
2579297/23/2024 Section 3-2 Agriculture and Forestry Resources
This Section evaluates the direct, indirect and cumulative impacts the Project may have on agriculture and forestry resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Soil and Water
9 page(s)
 CEC/Docket UnitResolution Environmental
2579287/23/2024 Section 3-20 Wildfire
This Section evaluates the direct, indirect and cumulative impacts the Project may have related to wildfire and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
23 page(s)
 CEC/Docket UnitResolution Environmental
2579277/23/2024 Section 3-3 Air Quality
This Section evaluates the direct, indirect and cumulative impacts the Project may have on air quality and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Air Quality
37 page(s)
 CEC/Docket UnitResolution Environmental
2579267/23/2024 Section 3-4 Biological Resources
This Section evaluates the direct, indirect and cumulative impacts the Project may have on biological resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
65 page(s)
 CEC/Docket UnitResolution Environmental
2579257/23/2024 Section 3-5 Cultural Resources
This Section evaluates the direct, indirect and cumulative impacts the Project may have on cultural resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Cultural Resources
34 page(s)
 CEC/Docket UnitResolution Environmental
2579247/23/2024 Section 3-6 Energy
This Section evaluates the direct, indirect and cumulative impacts the Project may have on energy resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
8 page(s)
 CEC/Docket Unit Resolution Environmental
2579237/23/2024 Section 3-7 Geology and Soils
This Section evaluates the direct, indirect and cumulative impacts the Project may have on geology and soil resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Geology/Paleontology, Soil and Water
32 page(s)
 CEC/Docket UnitResolution Environmental
2579227/23/2024 Section 3-8 Greenhouse Gas Emissions
This Section evaluates the direct, indirect and cumulative impacts the Project may have on greenhouse gas emissions and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Greenhouse Gases
14 page(s)
 CEC/Docket UnitResolution Environmental
2579217/23/2024 Section 3-13 Noise
This Section evaluates the direct, indirect and cumulative impacts the Project may have related to noise and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Noise and Vibration
29 page(s)
 CEC/Docket UnitResolution Environmental
2579207/23/2024 Section 3-14 Population and Housing
This Section evaluates the direct, indirect and cumulative impacts the Project may have related to population and housing and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Socioeconomics
6 page(s)
 CEC/Docket UnitResolution Environmental
2579197/23/2024 Section 3-15 Public Services
This Section evaluates the direct, indirect and cumulative impacts the Project may have on public services and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
9 page(s)
 CEC/Docket Unit Resolution Environmental
2579187/23/2024 Section 3-17 Transportation
This Section evaluates the direct, indirect and cumulative impacts the Project may have on transportation resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Traffic and Transportation
23 page(s)
 CEC/Docket UnitResolution Environmental
2579177/23/2024 Section 3-18 Tribal Cultural Resources
This Section evaluates the direct, indirect and cumulative impacts the Project may have on Tribal Cultural Resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Cultural Resources
15 page(s)
 CEC/Docket Unit Resolution Environmental
2579167/23/2024 Section 3-19 Utilities and Service Systems
This Section evaluates the direct, indirect and cumulative impacts the Project may have related to utilities and service systems and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Waste Management
20 page(s)
 CEC/Docket UnitResolution Environmental
2579157/23/2024 Appendix A3 Engineering Generation Facility Description, Design and Operation
Appendix A contains information on facility and transmission design, reliability, efficiency and 30% Civil Design Plans. (Part 3 of 3)
Efficiency, Facility Design, Compliance, Reliability, Transmission Line Safety and Nuisance, Transmission System Engineering
24 page(s)
 CEC/Docket UnitResolution Environmental
2579147/23/2024 Chapter 0 Application and Data Responses
This document contains the Soda Mountain Solar Project AB 205 Opt-In Application Cover Letter and Data Response Worksheet
118 page(s)
 CEC/Docket Unit/Eric KnightResolution Environmental
2579137/23/2024 Chapter 1 Executive Summary
This Chapter summarizes the Project objectives, location, elements, schedule, ownership and history.
Executive Summary
6 page(s)
 CEC/Docket UnitResolution Environmental
2579127/23/2024 Chapter 2 Project Description
This Chapter provides a detailed description of the Proposed Soda Mountain Solar Project.
Project Description
23 page(s)
 CEC/Docket UnitResolution Environmental
2579117/23/2024 Chapter 3 Environmental Impacts Analysis
This Chapter describes the format of the environmental topic sections and contains a list of cumulative projects.
8 page(s)
 CEC/Docket UnitResolution Environmental
2579107/23/2024 Section 3-1 Aesthetics
This Section evaluates the direct, indirect and cumulative impacts the Project may have on visual resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Visual Resources
36 page(s)
 CEC/Docket Unit Resolution Environmental
2579097/23/2024 Section 3-10 Hydrology and Water Quality
This Section evaluates the direct, indirect and cumulative impacts the Project may have on hydrology and water quality and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Soil and Water
36 page(s)
 CEC/Docket Unit Resolution Environmental
2579087/23/2024 Section 3-11 Land Use and Planning
This Section evaluates the direct, indirect and cumulative impacts the Project may have on land use and planning and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Land Use
12 page(s)
 CEC/Docket UnitResolution Environmental
2579077/23/2024 Section 3-12 Mineral Resources
This Section evaluates the direct, indirect and cumulative impacts the Project may have on mineral resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
Soil and Water
10 page(s)
 CEC/Docket Unit Resolution Environmental
2579067/23/2024 Appendix A1 Engineering Generation Facility Description, Design and Operation
Appendix A contains information on facility and transmission design, reliability, efficiency and 30% Civil Design Plans. (Part 1 of 3)
Efficiency, Facility Design, Compliance, Reliability, Transmission Line Safety and Nuisance, Transmission System Engineering
5 page(s)
 CEC/Docket Unit Resolution Environmental
2579057/23/2024 Appendix A2 Engineering Generation Facility Description, Design and Operation
Appendix A contains information on facility and transmission design, reliability, efficiency and 30% Civil Design Plans. (Part 2 of 3)
Efficiency, Facility Design, Compliance, Reliability, Transmission Line Safety and Nuisance, Transmission System Engineering
14 page(s)
 CEC/Docket UnitResolution Environmental
2579047/23/2024 Appendix E2 Aquatic Resources Impact Assessment
The purpose of the Preliminary Aquatic Resources Impact Assessment (30% Design) is to overlay the proposed Soda Mountain Solar project’s 30% design limits of disturbance (LOD) onto the aquatic resources delineation to assess the amount and location of impacts to non-wetland waters of the State under CDFW and RWQCB jurisdiction.
45 page(s)
 CEC/Docket UnitResolution Environmental
2579037/23/2024 Appendix R Waste Management Plan
This Appendix discusses the potential effect on human health and the environment from existing site conditions as well as nonhazardous and hazardous waste generated during construction and operation at the Project.
Waste Management
35 page(s)
 CEC/Docket UnitResolution Environmental
2579027/23/2024 Appendix D1 Biological Resources Technical Report
This report describes how biological resources surveys were performed, and how, based on the results of the surveys, biological resources may be potentially affected by the construction, operation, maintenance, and decommissioning of the project. Desert bighorn sheep (Ovis canadensis nelsoni) information and analysis is not covered in this report.
Biological Resources
130 page(s)
 CEC/Docket UnitResolution Environmental
2579017/23/2024 Section 3-16 Recreation
This Section evaluates the direct, indirect and cumulative impacts the Project may have on recreational resources and identifies any required Applicant-Proposed Measures (APM) and any required Mitigation Measures.
13 page(s)
 CEC/Docket UnitResolution Environmental
2579007/23/2024 Application for Confidential Designation - System Impact Restudy (CONFIDENTIAL)
Application for Confidential Designation for Appendix O1 and Appendix O2
4 page(s)
 CEC/Docket UnitResolution Environmental
2578997/23/2024 Application for Confidential Designation
Appendix P, Socioeconomic Impacts on San Bernardino County of the Proposed Soda Mountain Project, All Pages.
4 page(s)
 CEC/Docket UnitResolution Environmental
2577567/16/2024 Memo to Open New Docket

1 page(s)
 CEC/Docket UnitCalifornia Energy Commission