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2 Project Description <br /> 2. Assist California utilities in meeting their obligations under California's Renewable Portfolio <br /> Standard Program and Senate Bill (SB) 100, which calls for 100 percent of all electricity <br /> sold in California to come from carbon-free resources by the year 2045, including <br /> 60 percent renewables by 2030, and SB 1020, which requires utility providers to supply <br /> 90 percent and 95 percent of supplied electricity from renewable sources by 2035 and <br /> 2040, respectively. <br /> 3. Assist California utilities in meeting their obligations under the California Public Utilities <br /> Commission's (CPUC) Mid-Term Reliability Procurement Requirements. <br /> 4. Provide for the economically viable, commercial financeable, and environmentally <br /> beneficial use of the site's limited agricultural capacity due to the absence of available <br /> irrigation. <br /> 5. Develop a site in proximity to transmission infrastructure in order to minimize <br /> environmental impacts. <br /> 6. Develop a battery energy storage facility in San Joaquin County, which would support the <br /> economy by investing in the local community, creating local construction jobs and <br /> increasing tax and fee revenue to the County. <br /> 2.5 PROJECT DESCRIPTION <br /> 2.5.1 Project Overview <br /> The proposed Project is designed to absorb or output approximately 400 MW of electricity within <br /> the BESS (on 32 acres in San Joaquin County) and would include a 230-kilovolt overhead or <br /> underground gen-tie line that will extend to the PG&E Tesla Substation within Alameda County. <br /> The gen-tie corridor is 14,920 feet long and 100 feet wide, incorporating approximately 8 acres. <br /> The Project would contain pad-mounted energy storage units, in addition to inverters, supervisory <br /> control and data acquisition (SCADA) equipment, a collector substation, and an interconnection <br /> gen-tie line to the Tesla Substation. The Project would also include related and supporting <br /> facilities, such as on-site service roads, gates and security fencing, and temporary laydown and <br /> construction areas. Construction is expected to begin in 2024 and be completed in approximately <br /> 15 months, including 3 months of testing and commissioning,with a workforce of 20 to 60 workers, <br /> depending on the phase. Once operational, the Project would operate 24 hours per day, 7 days <br /> a week, 365 days a year. Routine operations would require one or two workers in a light utility <br /> truck to visit the facility on a weekly basis. Typically, one major maintenance inspection would <br /> take place annually. The expected lifespan of the Project is 35 years. <br /> 2.5.2 Battery Energy Storage System <br /> 2.5.2.1 Batteries <br /> Individual lithium-ion, or similar technology, battery cells form the core of the energy storage <br /> system. The battery cells are assembled either in series or parallel connection in sealed battery <br /> modules. The battery modules would be installed in self-supporting racks electrically connected <br /> either in a series or parallel to each other. The individual battery racks are connected in series or <br /> parallel configuration to deliver the energy storage system power rating. Approximately 500 <br /> Griffith Energy Storage Project 2-4 Tetra Tech/SCH 2022120675 <br /> Draft Environmental Impact Report August 2023 <br />