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TCAAP Energy Integration Resiliency Framework <br />Energy Source Implementation <br /> <br /> <br /> 51 <br />Developer Capital Cost Comparison <br />Heat Pump Capital Costs Traditional System Capital Costs <br />Domestic Water Heaters $493,000 Domestic Water Heaters $591,600 <br />Heat Pump Units $2,563,600 High Efficiency Furnaces $1,005,720 <br />AC Units $1,135,872 <br />Total $3,056,600 Total $2,733,192 <br /> <br />Per Unit Cost1 $9,102 Per Unit Cost1 $6,930 <br />Note: <br />1. 394 homes based on density projections for Hill and Creek neighborhoods available at time of publication <br />Table 18: Developer capital cost comparison <br />The capital costs for the construction of the district energy system are shown below in Table 19 and <br />are assumed to be financed over a period of 30 years. <br /> <br />District Energy System Capital Costs <br />Pump Station Construction $375,950 <br />Distribution Mainline Construction $2,527,500 <br />Distribution Service Laterals $533,200 <br />Total $3,436,650 <br />Note: <br />1. Includes engineering and indirect costs for the service laterals to each home. <br />Table 19: District energy system capital costs <br />The proposed low-temperature district energy system is modeled as a private, non-profit business, <br />with cost-based energy rates. The model assumptions are provided in Table 20. <br />