CPUC SDG&E San Marcos to Escondido Tie Line 6975 69kV Project

2 Documents in Project


SCH Number
Lead Agency
Public Utilities Commission, California (California Public Utilities Commission)
Document Title
CPUC SDG&E San Marcos to Escondido Tie Line 6975 69kV Project
Document Type
MND - Mitigated Negative Declaration
Project Applicant
San Diego Gas & Electric
Present Land Use
Residential, Commercial, Industrial, Public/Institutional, Open Space, and Undeveloped

Document Description
Note: Review Extended Per Lead The Project is located in the cities of San Marcos, Vista, Carlsbad, Escondido, and unincorporated areas in northern San Diego County, California. It would originate at the San Marcos Substation on the west and terminate at the Escondido Substation on the east and would be located within SDG&E right-of-way (ROW). To fully accommodate the Project, 1.2 acres of additional ROW would be acquired in San Marcos. The proposed Project would include a combination of approximately 12 miles of new overhead single-circuit electric power line structures, rebuild of existing structures from single circuit to double circuit, and the reconductoring and re-energizing of existing conductors.

Contact Information
Joyce Steingass
California Public Utilities Commission (CPUC)
505 Van Ness Avenue
San Francisco, CA 92069

Phone : (415) 703-1810


33°07'52.86"N 117°12'04.72"W
Carlsbad Escondido San Marcos Vista
San Diego
Cross Streets
Discovery Street and W. San Marcos Blvd
Total Acres
~12 mi
State Highways
15 & 78
McClellan-Palomar Arpt
San Marcos HS

Notice of Completion

Review Period Start
Review Period End
Development Type
Power:Other Power Type (transmission line)
Project Issues
Aesthetic/Visual Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Forest Land/Fire Hazard Geologic/Seismic Minerals Noise Population/Housing Balance Public Services Recreation/Parks Sewer Capacity Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Growth Inducing Land Use Cumulative Effects
Reviewing Agencies
Air Resources Board, Major Industrial Projects Cal Fire California Department of Conservation California Department of Parks and Recreation California Energy Commission California Highway Patrol California Native American Heritage Commission California Public Utilities Commission California Regional Water Quality Control Board, San Diego Region 9 Caltrans, Division of Aeronautics Department of Toxic Substances Control Resources Agency State Water Resources Control Board, Division of Water Quality California Department of Transportation, District 1 California Department of Fish and Wildlife, South Coast Region 5


Environmental Document
extension memo   PDF 1163 K SDGE TL6975 69kV Draft IS-MND   PDF 92113 K Summary Form   PDF 89 K
NOC   PDF 2715 K
State Comments
2019049009 caltrans   PDF 749 K 2019049009 CDFW SCR   PDF 1461 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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