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05-10-2021 BPU RPT 10
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05-10-2021 BPU AGENDA
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<br /> RIVERSIDE PUBLIC UTILITIES <br /> Board Memorandum <br /> <br />BOARD OF PUBLIC UTILITIES DATE: MAY 10, 2021 <br /> <br /> <br />SUBJECT: CIRCUIT 1364 AND CIRCUIT 1451 RELIABILITY IMPROVEMENT AND FUSE <br />COORDINATION PROJECT WORK ORDER NO. 2115405 FOR A TOTAL <br />CAPITAL EXPENDITURE OF $460,000 <br />ISSUE: <br />Consider approval of Work Order No. 2115405 for a total capital expenditure of $460,000 for the <br />Circuit 1364 and Circuit 1451 Reliability Improvement and Fuse Coordination Project. <br /> <br />RECOMMENDATION: <br />That the Board of Public Utilities approve Work Order No. 2115405 for a total capital expenditure <br />of $460,000 for the Circuit 1364 and Circuit 1451 Reliability Improvement and Fuse Coordination <br />Project. <br />BACKGROUND: <br />In 2014, Riverside Public Utilities (RPU) approved a Distribution Reliability Improvement Plan for <br />electric distribution circuits. Implementing Distribution Automation (DA) has been outlined as a <br />critical component for reducing duration and the number of customers impacted. <br />Distribution Automation is a major component for improving RPelectric distribution system for <br />reliability and response to system outages. DA includes sensors and associated controls <br />electric grid, along with various intelligent devices and technologies such as <br />automatic circuit reclosers, remotely controlled switches, smart relays, digital remote terminal <br />units, and system fault indicators. The DA system will help Electric Grid Operations to identify <br />and resolve system problems efficiently and timely. As a result, benefits such as quicker <br />restoration, improved reliability, and better overall control of the system are achieved. <br />RPU Electric System Planning staff recently performed a reliability study to improve the <br />performance of circuits that are on the top ten worst performing circuit list. Due to the numerous <br />outages within the last five years and the increase in energy demand and load growth in the area, <br />staff recommended the improvement of Circuit 1364 and Circuit 1451. The reliability study <br />identified system risks that could result in additional outages and recommends the implementation <br />of appropriate system enhancements to reduce outage time, thereby improving the System <br />Average Interruption Duration Index (SAIDI). This index represents the duration in minutes that <br />an average customer was without power. Staff recommended the installation of reclosers on both <br />Circuit 1364 and Circuit 1451, as well as the replacement of several existing fuses with ampacities <br /> <br />
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