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7.A. - Page 189 of 285 2019 Nonresidential New Construction Reach Code Cost Effectiveness Study <br />Figure 6. Medium Retail - Annual Percent kWh Offset with 110 kW Array <br />Medium Retail - Percent kWh Offset by PV <br />100% <br />90% <br />80% <br />70% <br />60% <br />50% <br />40% <br />30% <br />20% <br />10% <br />0% <br />1 2 3 4 5 6 7 8 9 10 11 <br />Climate Zone <br />■ Mixed fuel ■ All electric <br />Figure 7. Small Hotel - Annual Percent kWh Offset with 80 kW Array <br />Small Hotel - Percent kWh Offset by PV <br />100% <br />90% <br />80% <br />70% <br />60% <br />50% <br />40% <br />30% <br />20% <br />10% <br />0% <br />1 2 3 <br />11111 1 <br />4 5 6 7 8 9 10 <br />Climate Zone <br />■ Mixed Fuel ■ AII-Electric <br />11 12 <br />III <br />13 14 15 16 <br />The costs for PV include first cost to purchase and install the system, inverter replacement costs, and <br />annual maintenance costs. A summary of the medium office costs and sources is given in Figure 8. <br />Upfront solar PV system costs are reduced by the federal income tax credit (ITC), approximately 19 <br />percent due to a phased reduction in the credit through the year 2022.12 <br />12 The federal credit drops to 26% in 2020, and 22% in 2021 before dropping permanently to 10% for commercial projects and 0% <br />for residential projects in 2022. More information on federal Investment Tax Credits available at: <br />https://www.seia.org/initiatives/solar-investment-tax-credit-itc <br />14 <br />RE <br />2019-07-25 <br />441 <br />