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I F�ne 'gy, <br />Observations and insights on energy expenditures are as follows: <br />• Energy costs for the South Campus averaged $1.39 per square foot for the <br />last three years as compared to the CBECs benchmark for educational <br />buildings of $1.24 /square foot which is 12% above CBECs benchmark. <br />• The average utility billing rates are as follows: <br />0 Historical Electric Rate = $0.063 /kWh, OPT General - NC Rate schedule <br />0 2012 Projection: $.0697 /kWh, on the same rate structure <br />0 Historical Gas Rate = $0.85 /ccf. <br />• Energy costs showed peaks for natural gas during winter, and peaks for <br />electrical energy costs in the spring, summer and fall months. <br />The three figures that follow illustrate energy costs on a monthly basis over the last <br />three years for RCCC South. <br />0.18 <br />0.16 <br />0.14 <br />0.12 <br />0.10 <br />+� 0.08 <br />un <br />O <br />U <br />0.06 <br />0.04 <br />0.02 <br />0.00 <br />Figure 5: Total monthly electrical energy costs <br />Rev A 2012 -05 -15 <br />Page 12 <br />Final Draft <br />G -2 Page 336 <br />