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<br /> <br />Proposed Design Narrative and Clarifications <br />The Proposed Design (highlighted in green on the Table provided on next page) was selected from among all scenarios <br />studied because it achieved the best balance of all variables sought after by the project team: reduction in operational <br />carbon (greenhouse gas emissions), energy efficiency by %, annual energy cost reduction against the typical design (“cost <br />base”), and total system cost within budgetary constraints of the project deal. There were further scenarios considered <br />both as all-electric and gas/ground-source hybrid options, but these were excluded from the table to avoid confusion as <br />they were not replicated in the Xcel EDA study. <br />Clarifications for Proposed Design : <br />1. Key metrics for reviewer’s note are in bold & shaded rows. <br />2. Simple ROI calculations factor only federal incentives and year 1 energy cost savings without utility cost <br />inflation, demand charges, maintenance costs, etc. at this time. Should Xcel EDA bundle incentive information <br />be available before submission date, the values will be amended to factor in as well. <br />3. Deal structure of the proposal does not allow for capture of the federal IRA Tax Credits for ground-source heat <br />pump (geothermal) or renewable energy systems. Therefore, while the value has been shown for <br />representative purposes, the simple payback calculations without IRA are the most relevant values to this <br />project. <br /> <br />