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2020_01-28_PWETCpacket
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2020_01-28_PWETCpacket
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2/21/2020 3:35:26 PM
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Commission/Committee
Commission/Authority Name
Public Works Commission
Commission/Committee - Document Type
Agenda/Packet
Commission/Committee - Meeting Date
1/28/2020
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City of St Lauds Park Greenhouse Gas Assessment <br />City Operations, 2005 to 2015 <br />Xcel Energy's emission factor was 22% lower in 2015 than in 2005. For a true apples -to -apples <br />comparison, Table 2 includes triple normalized data that predicts emissions if a) the need for <br />heating and cooling matched the 30-year temperature "normals" for the City, b) Xcel's emission <br />factor remained at the 2005 base year level, and 3) there were no major expansions of the <br />Municipal Service Center, fire stations, and streetlights. Figure 5 includes the triple normalized <br />emissions over the 10-year study period. The major factor is Xcel's cleaner electricity, which <br />Figure 6 shows accounts for 68% of the reduced emissions. The dotted line in Figure 5 reflects <br />triple normalized emissions, including the use of Xcel's 2005 emission factor. Triple normalized <br />emissions in 2015 were 5% lower than in 2005. <br />The first chart in Figure 6 illustrates the sources of the reduced emissions. After Xcel's reduced <br />emission factor, reduced electricity consumption (-16%), natural gas consumption (-12%), and <br />liquid fuel consumption (4%) account for the rest of the reduced emissions. The second chart in <br />Figure 6 breaks out the reductions by the source categories. The facilities that produce and <br />distribute potable water account for nearly half of the reductions. The largest energy users <br />naturally account for most of the rest of the reductions including the Rec Center (-12%); sewers <br />(-10%); and Hamilton House, City Hall, and the Police Department are all at about -7% each. <br />Scope 3 emissions: Table 2 also lists the Scope 3 emissions. According to the ICLEI Protocol, <br />these emissions are not to be counted with Scope 1 and 2 emissions but can be reported <br />separately. Scope 3 emissions are declining significantly. The 2015 level was half that in 2005 <br />essential because the emission rate for the Metropolitan Waste Treatment plant are half of what <br />they were in 2005. <br />Figure 6: Sources of Reduced Grei <br />Real L to f a <br />velaell E 4% <br />12% <br />13% <br />rsrsaaam <br />elelHicLLy <br />16% <br />ORANGE <br />ENVIRONMENTAL <br />anhouse Gas Emissions, 2005 to 2015 <br />m�rmd <br />5®'eEre O@ rpark <br />Curia aru:aeE <br />3% kAN <br />% <br />EAquH (eels <br />4% <br />ckr xau <br />7% <br />HHnasai <br />Houre <br />8% V4A <br />
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