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2 Project Description 2 PROJECT DESCRIPTION 2.1 OVERVIEW San Joaquin County (County), as the California Environmental Quality Act (CEQA) Lead Agency, is preparing this Environmental Impact Report (EIR) (State Clearinghouse No. 2022120675) to document its analysis of the potential direct, indirect, and cumulative impacts of the Project described in this chapter, and the alternatives described in Chapter 3, Alternatives, in conformance with the requirements of the CEQA Public Resources Code Division 13, California Code of Regulations section 15000 et seq. (CEQA Guidelines). Griffith Energy Storage, LLC (Applicant), a wholly owned, indirect subsidiary of NextEra Energy Resources, LLC (NEER), has applied to the San Joaquin County Community Development Department for a Site Approval (SA)' to construct, operate, maintain, and decommission a 400-megawatt (MW) battery energy storage system (BESS) and associated facilities and infrastructure, to be known as the Griffith Energy Storage Project (Project) in San Joaquin County. Additionally, because the Project includes an access road and interconnection generation-tie (gen-tie) line directly adjacent to the battery storage site in Alameda County, the Applicant seeks approval of a Utility Roadway Permit from Alameda County. Approval of such an encroachment permit would be a discretionary action, making Alameda County a Responsible Agency for the Project, pursuant to CEQA Section 15381. The energy storage facility would house lithium-ion batteries (or similar technology) totaling 400 MW of energy on a 106-acre site, owned by a private landowner in unincorporated San Joaquin County.To avoid environmental constraints, only an estimated 32 acres of the 106-acre site would be used for the Project within San Joaquin County. The proposed BESS would provide reliable and flexible power to the local electrical system. In addition to the energy storage facility, the Project would interconnect at the Pacific Gas and Electric (PG&E) Tesla Substation in close proximity to the site in Alameda County via a 230-kilovolt(W) interconnection generation tie (gen- tle) line that extends from the energy storage facility within a gen-tie corridor partially within Alameda County. 2.2 PROJECT LOCATION AND CONTEXT The Project site is situated roughly in the southwestern corner of Township 2 South, Range 4 East, southeast portion of Section 32 of the Midway, California, U.S. Geological Survey (USGS) 7.5-minute topographic quadrangle. The Project site is centered at a latitude of 37.710 degrees and longitude of-121.554 degrees (in decimal degrees). The Property is approximately 0.9 mile southwest of Interstate 580 and approximately 5 miles southwest of the city of Tracy, and in close proximity to the PG&E Tesla Substation, as shown on Figure 2-1. The Project site consists of Assessor Parcel Number (APN) 209-10-19 in San Joaquin County and APN 99B-7885-002 and 99B-7590-1-3 in Alameda County for the access road and gen-tie line. The Site Approval process provides a method for reviewing proposed uses which possess characteristics that require special appraisal in order to determine if the uses have the potential to adversely affect other land uses,transportation, or facilities in the vicinity.The Review Authority may require conditions of approval necessary to eliminate,or minimize to an acceptable level, any potentially adverse effects of a use. Griffith Energy Storage Project 2-1 Tetra Tech/SCH 2022120675 Draft Environmental Impact Report August 2023