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Kittitas Cow-ity Courthouse Energy Audit <br />Table 4-1 Annual Utility Data <br />Annual Utility Data <br />Building Area (square feet) <br />43,728 <br />Electric Use (kWh/yr) <br />233,170 <br />Electric Cost ($/yr) <br />$18,425.32 <br />Natural Gas Use (CCF/yr) <br />12,053 <br />Natural Gas Cost ($/yr) <br />$14,872.02 <br />Water Use (gal/yr) <br />1,765,438 <br />Sewer Discharge (gal/yr) <br />-- <br />Water and Sewer Cost ($/yr) <br />$4,184 <br />Total Utility Cost ($/yr) <br />$37,481.43 <br />Building Energy Use Intensity (thousand British <br />thermal units/square foot) <br />45.33 <br />Building Energy Cost Index ($/square feet) <br />$0.76/sq.ft. <br />The energy use intensity is 45.33 kBTU/sq ft, which is low for the Northwest. The building <br />energy cost index is $0.76/sq ft for natural gas and electricity, which is low for the Northwest. <br />Water usage does not factor into energy -use intensity. Diversity in energy end use is not <br />captured by existing energy -metering capabilities. Therefore, energy consumption for each end <br />use was estimated based on Commercial Buildings Energy Consumption Survey (CBECS) data <br />for similar buildings (U.S. Energy Information Administration 2016b). In addition to using <br />CBECS as a reference for end -use energy consumption, Akana used site observations and <br />engineering judgment to estimate quantities of energy by end use. <br />Project Number 22-084 20 <br />October 28, 2025 <br />