Sienna Solar and Storage Project

2 Documents in Project


SCH Number
Lead Agency
San Bernardino County
Document Title
Sienna Solar and Storage Project
Document Type
EIR - Draft EIR
Present Land Use
Vacant, Rural living.
Document Description
99MT 8ME, LLC (Applicant) plans to construct and operate the Sienna Solar and Storage Project (Project), a utility scale, solar photovoltaic (PV) electricity generation facility that would produce up to 525 megawatts (MW) of solar power and include up to 525 MW of energy storage capacity rate in a battery energy storage system (BESS) within an approximately 1,854-acre Project site.

Contact Information

Jim Morrissey
Agency Name
San Bernardino County Land Use Services
Job Title
Contact Types
Lead/Public Agency


Lucerne Valley
San Bernardino
Citywide, Countywide, Southern California
Cross Streets
Northside Road and Barstow Road
Total Acres
State Highways
Highway 247

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Fish and Wildlife, Inland Deserts Region 6 (CDFW), California Department of Parks and Recreation, California Department of Transportation, District 8 (DOT), California Department of Water Resources (DWR), California Energy Commission, California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Colorado River Basin Region 7 (RWQCB), Department of Toxic Substances Control, Office of Historic Preservation
Development Types
Other (Solar Facility )
Local Actions
Use Permit
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Growth Inducement, Hazards & Hazardous Materials, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Septic System, Sewer Capacity, Solid Waste, Transportation, Vegetation, Wetland/Riparian
Local Review Period Start
Local Review Period End


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