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1-22 Proposal No. 2659.01 Water Enterprise Alternative Energy Feasibility Study <br />The City of Palm Springs contracted with NAM to provide a third -party peer review of a proposed contract with <br />Chevron Energy Solutions (CES) and provide a review of: <br />Energy conservation measures <br />Construction cost estimates <br />The energy savings associated with these projects <br />The financial savings resulting from their <br />implementation <br />Additionally, through initial discussions with City Staff and the <br />City Council Subcommittee, specific areas of concern and <br />project needs were noted, including: <br />The need for the project to address two of the City's <br />ailing cogeneration systems, which were nearing the <br />end of their useful lives <br />® Concerns about the retirement of one of the <br />cogeneration plants <br />a Concerns over the realization of energy savings from <br />this "project, and risk management to protect the <br />City's financial interests, as a loan was to be obtained <br />for the work <br />The bundled energy management project proposed to the <br />City of Palm Springs by Chevron Energy Solutions <br />encompassed a wide range of energy efficiency and <br />generation measures, including lighting,. HVAC, water, solar generation, cogeneration and other measures. <br />Newcomb Anderson McCormick's detailed peer review of the proposed scope of work focused in particular on <br />the technologies being proposed with respect to current industry trends and best practices. Facility and <br />equipment Information and conditions were also considered to establish the reasonableness of the baseline <br />conditions assumed in the energy calculations. All anomalies or questionable assumptions were noted for <br />follow up, and their potential risks to the savings were assessed, The energy savings calculations and energy <br />models were reviewed to determine compliance with Industry accepted practices, reasonableness and <br />congruency with the stated scope of work. The operating parameters, such as hours of operation and HVAC <br />setpoints, were also checked for reasonableness, and modeled energy consumption was compared to utility <br />data where available. <br />Newcomb Anderson McCormick also assessed the proposed design of solar PV systems. We verified forecast <br />production and reviewed the estimate of utility savings as a point of comparison to the proposed financials. <br />NAM also reviewed high-level system designs for robustness, use of sound engineering principles, and quality of <br />key components. <br />CITY OF SANTA ANA <br />25A-36 <br />Copyright © Newcomb Anderson McCormick 2017 <br />