Altamont Solar Energy Center


SCH Number
Lead Agency
Alameda County
Document Title
Altamont Solar Energy Center
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Large Parcel Agriculture/Agricultural District (A-District)

Document Description
Cool Earth Solar, Inc. ("Applicant") proposes to develop a grid-connected utility-scale solar electrical facility (SEF) of up to 10 Megawatts within an initial phase (Phase 1) of 30 acres to produce 1.5 MW and 3,000 MWh of electricity annually and a second phase (Phase 2) to develop the remaining 110 acres with 8.5 MW SEF (20,000 MWh annually). The project site (17499 Kelso Road, Byron, CA), is 140 acres and consists of portions of two parcels: APN# 099B-7175-5-4 and 099B-7175-005-01. The Applicant would lease the proposed 140-acre project site for 30-years from the current owner.

Contact Information
Jana Beatty Weldon
Alameda County
Lead/Public Agency
224 W. Winton Avenue, Room 111
Hayward, CA 94544

Phone : (510) 670-5400


37°47'17"N 121°34'11"W
Cross Streets
Kelso Road and Patterson Park Road
Total Acres
Parcel #
099B-7175-5-4 and 099B-7175-005
Mtn. House ES
Byron Bethany Irrigation District (BBID) Canal
Other Location Info
City/Nearest Community: Mountain House

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Utility Scale Solar (140 acres))
Local Action
Use Permit
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
Reviewing Agencies
California Department of Conservation (DOC) California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW) California Department of Parks and Recreation California Department of Transportation, District 4 (DOT) California Energy Commission California Native American Heritage Commission (NAHC) California Public Utilities Commission (CPUC) Department of Water Resources Office of Historic Preservation Resources Agency California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB)

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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