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J L <br />PUBLIC UTILITIES <br />RIVERSIDE PUBLIC UTILITIES <br />BOARD OF PUBLIC UTILITIES <br />Board Memorandum <br />DATE: JANUARY 11, 2021 <br />SUBJECT: REQUEST FOR PROPOSALS 1984 —WORK ORDER NO 2028762 FOR ENERGY <br />STORAGE SYSTEM AND PHOTOVOLTAIC INTEGRATION STUDY WITH <br />STANTEC CONSULTING SERVICES, INC. IN FOR A TOTAL CAPITAL <br />EXPENDITURE IN THE AMOUNT OF $120,000 <br />ISSUE: <br />Consider approval of Work Order No. 2028672 with Stantec Consulting Services, Inc. for the <br />Energy Storage System and Photovoltaic Integration Study in the amount of $120,000. <br />RECOMMENDATION: <br />That the Board of Public Utilities approve Work Order No. 2028672 for the Energy Storage System <br />and Photovoltaic Integration Study with Stantec Consulting Services, Inc. in the amount of <br />$120,000. <br />BACKGROUND: <br />The Tequesquite Landfill Solar Photovoltaic (PV) Project was completed in 2015. It is a 7.5 <br />Megawatt (MW) solar power farm that is operated by Sun Power, LLC on top of the City owned <br />decommissioned Tequesquite landfill, near Rubidoux Avenue and the Santa Ana River Trail. The <br />project demonstrated a unique and innovative approach that Riverside used to leverage local land <br />resources into renewable power for the benefit of the community. The solar power is purchased <br />by Riverside Public Utilities (RPU) and is directly fed into the local electrical grid and is enough to <br />power about 1,600 homes. <br />RPU's latest solar Power Purchase Agreement (the 44 MW Camino project) includes an 11 MW <br />/ 44 MWh BESS. However, given the recent California Independent System Operator (CAISO) <br />load shedding events, it is very likely that in early 2021, the California (CA) State Legislature could <br />pass one or more new laws that mandate all CA Load Serving Entities (i.e., Investor Owned <br />Utilities, Public Owned Utilities, and Community Choice Aggregators) to procure additional energy <br />storage systems. Hence, this represents an opportune time to study the cost/benefit merits of a <br />Battery Energy Storage System (BESS) at Tequesquite PV, in anticipation of these potential <br />future mandates <br />The benefits of a BESS were examined in the 2018 Integrated Resource Plan (IRP), but primarily <br />from the perspective of a stand-alone system that would be controlled by the CAISO. The 2018 <br />