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ENERGY PROFILE <br /> Total Annual Energy Expense <br /> The electric utility is Xcel Energy. Based upon the customer utility bills an energy charge of <br /> $0.04968/kWh was calculated, which includes the base energy charge, an environmental improvement <br /> rider, and a fuel cost charge. A winter demand charge of $6.81/kW and a summer demand charge of <br /> $10.15/kW were also included in the overall electric costs. A monthly customer charge of $22.00 was <br /> included in the model. Energy charge credits, late payment charges, power factor correction charges, <br /> adjusted demand charges, and other city and state fees were not included in this study. The gas utility is <br /> CenterPoint Energy. Based upon the customer utility bills, a gas charge of $0.7782/therm was calculated, <br /> which includes the cost of gas, delivery charge, and a gas affordability program charge. A monthly <br /> customer charge of $35.00 was included in the model. The total annual energy expense for the baseline <br /> model is shown in Figure 1. <br /> 53,500 _ _ __ _ <br /> 53,000 . _ _ <br /> $2,500 � _ _ __ _ ____. __ _ <br /> _ <br /> I <br /> 52,000 � _ _ __ _ _ _ _ <br /> I <br /> I <br /> 51,500 1 .. _._ ___.__.__ <br /> Si,aoa . _ _ _ _ _ <br /> _ _ _ ___ _ <br /> 5500 . _ _ . _..._._.. __........ _. <br /> _.__ ___ ..... <br /> ( <br /> 50 , _ __ . ,__ r... _ . <br /> JAN FEB MAR APR MAY JUN 1UL AUG SEP OCT NOV DEC <br /> ■Xce!Energy Electric Charges ■Natural Gas Char�es <br /> Figure 1. Baseline Annual Energy Expense <br /> 005.10.01 Page 7 of 18 City of Orono <br /> May 28,2010 Geothermal HVAC Feasibility Study <br /> engineers � consultants � commissioning <br /> MEP Associates, LLC� 7607 Equitable Drive,Eden Prairie,MN 55344�phone:952.224.4488 fax:952.224.4489�www.mepassociates.com <br />