Mesa 500 kV Substation Project

6 Documents in Project


SCH Number
Lead Agency
California Public Utilities Commission (CPUC)
Document Title
Mesa 500 kV Substation Project
Document Type
NOP - Notice of Preparation of a Draft EIR
Document Description
Construction of the new 500/220/66/16-kV substation and demolition of the existing 220/66/16-kV substation would occur in phases. Phase 1 would consist of grading and initial site development on the western portion of the project site. Phase 2 would consist of construction of the first half of the new Mesa Substation. During Phase 1 and 2, the existing substation on the eastern portion of the site would remain operational in order to maintain electrical service to customers during construction. Phase 3 would consist of demolition of the existing substation and construction of the second half of the new substation on the eastern portion of the site. Construction of the Mesa Substation Project is anticipated to begin in June 2016 and would take approximately 4.5 years.

Contact Information

Lisa Orsaba
Agency Name
California Public Utilities Commission
Contact Types
Lead/Public Agency


Los Angeles
Cross Streets
Potrero Grande Dr and Greenwood Ave., Monterey Park
Total Acres

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, North Central Region 2 (CDFW), California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Parks and Recreation, California Department of State Parks, Division of Boating and Waterways, California Highway Patrol, California Native American Heritage Commission (NAHC), Department of Water Resources, Resources Agency, California Department of Transportation, District 7 (DOT)
State Reviewing Agency Comments
California Department of Transportation, District 7 (DOT)
Local Actions
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Septic System, Sewer Capacity, Solid Waste, Transportation, Vegetation, Wetland/Riparian, Wildfire

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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