Walsh Data Center


SCH Number
Lead Agency
Energy Commission (California Energy Commission)
Document Title
Walsh Data Center
Document Type
MND - Mitigated Negative Declaration
Project Applicant
California Energy Commission
Present Land Use
Heavy Industrial

Document Description
The applicant proposes to construct and operate the Walsh Data Center (WDC) project at 651 Walsh Avenue in Santa Clara, California. The project proposes to demolish the existing improvements on the site and construct the WDC building, the associated Walsh Backup Generating Facility (WBGF) generator equipment yard, and an electrical substation. The associated WBGF would consist of 33 diesel fired generators that would be used exclusively to provide backup generation to support the Critical Information Technology (IT) load of the server bays, mechanical cooling loads, and house power backup of the WDC. The maximum electrical load of the WDC would be up to 80 MW. See NOC for Full Details.

Contact Information
Leonidas Payne
California Energy Commission
1516 Ninth Street, MS 40
Sacramento, CA 95814

Phone : (916) 651-0966


Santa Clara
Santa Clara
Cross Streets
Walsh Avenue and Lafayette St.

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Data Center)
Local Action
Data Center
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Forest Land/Fire Hazard Geologic/Seismic Minerals Noise Population/Housing Balance Public Services Recreation/Parks Schools/Universities Septic System Sewer Capacity Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Growth Inducing Land Use Cumulative Effects Energy, Wildfire
Reviewing Agencies
California Air Resources Board California Department of Fish and Wildlife, Bay Delta Region 3 California Department of Fish and Wildlife, North Central Region 2 California Department of Forestry and Fire Protection California Department of Parks and Recreation California Department of Resources Recycling and Recovery California Department of Transportation, District 4 California Department of Transportation, Division of Aeronautics California Department of Water Resources California Energy Commission California Highway Patrol California Native American Heritage Commission California Natural Resources Agency California Public Utilities Commission Department of Toxic Substances Control State Water Resources Control Board, Division of Water Quality


Environmental Document
Summary Form   PDF 48 K Walsh Data Center ISPMND   PDF 10010 K
NOC   PDF 1381 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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