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ORDER NO. PSC -2023 -0253 -TRF -EI <br />DOCKET NO. 20230045 -EI <br />PAGE 3 <br />Table 1 <br />Comparison of Differential per Service Lateral <br />Types of Subdivision <br />Current URD Differential <br />Proposed URD Differential <br />Low Density <br />$0 <br />$0 <br />High Density <br />$0 <br />$0 <br />Meter Pedestal <br />$0 <br />$0 <br />Source: 2019 Order and FPL's 2023 filing. <br />Two primary factors impacted the calculation of FPL's proposed URD charges which are <br />discussed in greater detail below: (1) updated labor and material costs and (2) updated <br />operational costs. <br />A. Updated Labor and Material Costs <br />The installation costs of both underground and overhead facilities include the labor and <br />material costs to provide primary, secondary, and service distribution lines as well as <br />transformers. The costs of poles are specific to overhead service while the costs of trenching and <br />backfilling are specific to underground service. Table 2 compares the currently approved 2019 <br />costs and 2023 costs for underground and overhead labor and material for the three subdivision <br />models. <br />Table 2 <br />Labor and Material Costs <br />Low Density <br />2019 Costs <br />2023 Costs <br />Difference <br />Underground <br />$2,558.39 <br />$3,452.54 <br />$894.15 <br />Labor/Material Costs <br />Overhead <br />$2,347.86 <br />$2,543.92 <br />$196.06 <br />Labor/Material Costs <br />Per Service Lateral <br />$210.53 <br />$908.62 <br />$698.09 <br />Differential <br />High Density <br />Underground <br />$1,767.54 <br />$2,317.97 <br />$550.43 <br />Labor/Material Costs <br />Overhead <br />$1,773.71 <br />$1,921.50 <br />$147.79 <br />Labor/Material Costs <br />Per Service Lateral <br />($6.17) <br />$396.47 <br />$402.64 <br />Differential <br />Meter Pedestal <br />Underground <br />$1,125.49 <br />$1,485.47 <br />$359.98 <br />Labor/Material Costs <br />Overhead <br />$1,397.83 <br />$1,533.74 <br />$135.91 <br />Labor/Material Costs <br />Per Service Lateral <br />($272.34) <br />($48.27) <br />$224.07 <br />Differential <br />Source: 2019 Order and FPL's 2023 filing. <br />a-3 <br />