Colusa-Sutter Transmission Line (CoSu Line)

2 Documents in Project


SCH Number
Lead Agency
Sacramento Municipal Utility District
Document Title
Colusa-Sutter Transmission Line (CoSu Line)
Document Type
NOP - Notice of Preparation

Document Description
The proposed project consists of a 500 kilovolt transmission that would connect the California-Oregon Transmission Project on the west side of the Sacramento Valley, in Colusa or Yolo counties, to Western Area Power Administration's (WAPA) and SMUD's existing substations in Sutter or Sacramento counties. The Colusa-Sutter Transmission Line (CoSu Line) is needed to enhance reliability of the electrical grid in Northern California and provide a new energy pathway for SMUD to import power from and export power to energy markets in the Pacific Northwest. From Dec. 18, 2015 to April 18, 2016 there was an initial EIS/EIR scoping period for a proposed project located in Colusa and Sutter counties. In response to public and agency comments received, SMUD and WAPA have added a third study area corridor located in Yolo and Sacramento counties for public scoping.

Contact Information
Kim crawford
Sacramento Municipal Utility District
Lead/Public Agency
6201 S Street, Mailstop H201
Sacramento, CA 95817

Phone : (916) 732-5063


Colusa Sacramento Sutter
State Highways
I-5; Hwy 20, 45
Sacramento River

Notice of Completion

Review Period Start
Review Period End
Development Type
Power:Other Power Type (Electric transmission 500 kilovolt)
Project Issues
Aesthetics Agriculture and Forestry Resources Air Quality Biological Resources Cultural Resources Cumulative Effects Economics/Jobs Flood Plain/Flooding Geology/Soils Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Mineral Resources Noise Population/Housing Public Services Recreation Schools/Universities Transportation Vegetation Wetland/Riparian
Reviewing Agencies
California Department of Fish and Wildlife, North Central Region 2 (CDFW) California Department of Parks and Recreation California Department of State Parks, Division of Boating and Waterways California Department of Transportation, District 3 (DOT) California Energy Commission California Highway Patrol California Native American Heritage Commission (NAHC) California Public Utilities Commission (CPUC) Caltrans, Division of Aeronautics Department of Water Resources Office of Historic Preservation Resources Agency Central Valley Flood Protection Board California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB) California Department of Conservation (DOC) California State Lands Commission (SLC)

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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