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RoscviEl� Skating Center and City Hall <br />Feasibility Study September 23, 2007 <br />IMaintenance Gaeage Energy �cns���nerrs�#6ms� (�0�6] <br />J <br />- :�r Nr � - � - <br />��50.000 • <br />F <br />200.000 — " <br />- – � �� <br />15fl,t30R -- <br />Iv' <br />100,006 •-- — • � — -- • <br />50,000 •• <br />- .��`• ` .����.r�__����� � <br />� p r' � i � . <br />Jan F�b Mu Apr May Jun ,lul Aug Sep Qcf �qv f7�G <br />,� °�—�feC(kWh} -p.-Gas {�kWh) <br />� Figure 1 i: Natural gas consumption is directly related to the weather, while lighting and electric <br />3 motor loads are fairly consistent throughout the year, with only a slight increase created by <br />� cooling demands in the office and meeting room areas. <br />� <br />� < { '.�'• — <br />��o,000 <br />� sa,aoo <br />I $s,QOa • ' � <br />. Y �. <br />� �Q�b�p ' / <br />I52.003 – <br />I $� .. <br />Jan <br />Maintenance Garage Energy Cost (2006) <br />�� 'F -- <br />.� <br />i ��� <br />. T.— <br />1• • <br />� + <br />•-•� � <br />.� <br />h <br />� <br />Y <br />Feb Mar Apr Nlay JUCi Jv€ Aug Sep 04t MY 02G <br />� I DEIecpGas � <br />t Figure 12: This charf shows the energy cost in 2006 for the Maintenance Garage. <br />� <br />� �,�. F�r� Hall <br />t� <br />11 The total energy cost for the Fire Hall is approximately $11,400 per year (in 2006). Sixty <br />�� percent of the energy cost is for natural gas to provide space heating and service hot <br />�3 water (SHW). The estimated efficiency of the gas rooftop units and infra red heaters in <br />�� the Fire Hall is 80°/o. <br />�� <br />�� Gas consumption in 2006 was approximately 6,000 CCF, or the equivalent of 176,800 <br />'� � �V���i ($0.0385 per �kWh). Electricity consumption was approximately 71,400 k'4'��T1 in <br />�8 2006, at a cost of $4,575 ($0.0641 per kV►1h� <br />�9 <br />Geo-Xergy Systems Page 1'i of 33 <br />