Cost reductions in these high-cost categories could significantly impact distributed wind system costs. However, this report is not a cost-reduction roadmap, nor does it address how susceptible each cost category is to cost-reduction. To move from this initial cost benchmark to identifying robust costreduction opportunities, additional data must be obtained to expand the dataset, cost models must be developed for certain cost categories, and the components of each cost category must be analyzed to determine what is driving the high costs and the high variances in some cost categories. Those actions will provide data-driven justifications for future cost-reduction actions.
The 2015 IECC provides cost-effective savings for residential buildings in Georgia. Moving to the 2015 IECC from the 2011 Georgia State Code base code is cost-effective for residential buildings in all climate zones in Georgia. The average statewide economic impact (per dwelling unit) of upgrading to the 2015 IECC is shown in the table below based on typical cost-effectiveness metrics. 1 Metric Compared to the 2011 Georgia State Code Life-cycle cost savings of the 2015 IECC $4582.53
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