CalSun is a solar pv energy generation and storage project, consisting project, consisting of single axis tracking solar pv panel arrays capable of producing approx 20 MW of electricity, and a battery system able to store approx 20 MW of energy. The CalSun site is in the northeastern corner of Alameda County, CA on a single 112.8 parcel. The site is an irregular polygon bordered on the northeast by the Byron-Bethany Road (County Road J4, also known as Byron-Bethany Highway), and on the west by Mountain House Rd. The Contra Costa County line also intersects with the northern tip of the project site. The portion of the site to be developed for the solar generation and energy storage facility is 89.1 acres in size. The project would not require a new transmission line but would connect to the grid adjacent to the property.
Mountain House Rd and Byron-Bethany Rd (County J4)
Sebastian Questa ES
Clifton Court Forebay, Delta-Mendota Canal
Other Location Info
Notice of Completion
State Review Period Start
State Review Period End
State Reviewing Agencies
Air Resources Board, Major Industrial Projects, Cal Fire, 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 Native American Heritage Commission (NAHC), California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), Department of Toxic Substances Control, Department of Water Resources, Office of Historic Preservation, Resources Agency, California Department of Conservation (DOC)
State Reviewing Agency Comments
California Department of Conservation (DOC)
Power:Solar (Megawatts 20)
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Flood Plain/Flooding, Geology/Soils, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Solid Waste, Transportation, Vegetation, Wetland/Riparian, Wildfire, GHG
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