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EUI Total Energy <br />Use (kBTU) <br />Electric Use <br />(kWH) <br />Natural Gas <br />Use <br />(Therms) <br />Annual <br />Energy Cost <br />Potential Annual <br />Savings for <br />Arden Hills <br />Annual <br />Greenhouse Gas <br />Emissions <br />(Cubic Feet) <br />Existing: 91 1,515,000 142,432 10,290 $21,204 $0 2,826,000 <br />National Median: 80.3 1,337,000 122,490 9,055 $20,461 ($743)2,493,700 <br />High Performance: 44.5 740,700 67,859 5,016 $11,335 ($9,869)1,381,509 <br />Recommended Target <br />2- 4 City of Arden Hills Energy and Sustainability <br />Existing and Target Energy Use Intensity (EUI) <br />Energy Use Intensity (EUI) is a calculation enabling the energy efficiency of one building to be appropriately <br />compared to the energy use efficiency of any other building or design. EUI is calculated based on the <br />building’s total energy consumption, measured in Kilo British Thermal Units (kBTU), divided by the building’s <br />total area, measured in square feet. In addition to allowing a comparison between different buildings’ energy <br />performance, an EUI target enables a design team to identify a long-term energy performance target for a <br />building during the design phase. <br />Comparing EUI Target Energy Consumption <br />Using the existing building’s energy consumption as a baseline, the potential energy and <br />greenhouse gas emissions savings can be calculated for a building which meets the Median EUI as <br />well as the recommended high performance EUI target. <br />The chart to the right shows the existing Arden <br />Hills EUI, the ENERGY STAR reported median EUI, <br />and EUI for a similar facility with high <br />performance energy consumption which would <br />achieve performance at the 90th percentile for <br />comparable buildings. We recommend any new <br />City Hall facility planned target the High <br />Performance EUI. <br />Energy Use Intensity Targets <br />Existing City Hall EUI: <br />National Median EUI: <br />High Performance EUI: <br />(ENERGY STAR score of 90) <br />91 <br />44.5 <br />80.3 <br />Energy Use