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Fuel Index <br />The fuel rate adjustment index is calculated using the "average annual change" as <br />demonstrated in the example below, measured for the 12 months ending December prior to <br />the Rate Year anniversary date compared to the 12 months ending December in the previous <br />year. The Bureau of Labor Statistics publishes the Producer Price Index for Fuels and Related <br />Products and Power - Natural Gas. <br />In the example below, the average annual index for the 12 months ended December 2017 of <br />118.675 is entered in Column B, Row 2, "New Index Value," of the example rate adjustment <br />formula in Exhibit 3A, and the average annual index for the 12 months ended December 2016 <br />of 96.233 is entered in Column A, Row 2, "Old Index Value' in Exhibit 3A. This would have <br />resulted in a 23.3% increase to the fuel component of rates as calculated in Column C, Row 2 of <br />Exhibit 3A. <br />Producer Price Index - Fuels and Related Products and Power - Natural Gas, WPU0531 <br />PPI Commodity Data <br />Original Data Value <br />Series Id <br />WMU531 <br />Not Seasonally Atljustetl <br />Series Title: <br />PR Commotlity data for Fuels and related products <br />Group: <br />Fuels and relaptl products and power <br />Item: <br />Natural gas <br />Base Gate: <br />198200 <br />Years: <br />2008 to 2018 <br />Year Jan Feb Mar <br />Jun Jul <br />Oct Nov Dec Annual <br />2W8 <br />293.4 <br />3324 <br />W27 <br />384.0 <br />4370 <br />449.5 <br />489.9 <br />3557 <br />306.9 <br />25 0 <br />2172 <br />2420 <br />343.975 <br />2009 <br />229.4 <br />1759 <br />146.8 <br />138.7 <br />1356 <br />1402 <br />151.5 <br />1478 <br />123.3 <br />154.0 <br />181.5 <br />1951. <br />159.983 <br />2010 <br />244.4 <br />2312 <br />2043 <br />168.8 <br />1758 <br />1780 <br />1%4 <br />1943 <br />1577 <br />159.6 <br />1439 <br />1767 <br />185.842 <br />2011 <br />1n 6 <br />1830 <br />1650 <br />178.6 <br />1824 <br />1839 <br />184.0 <br />1825 <br />167.1 <br />158.4 <br />148 3 <br />1,H 4 <br />171.433 <br />2012 <br />132.4 <br />1153 <br />1047 <br />92.3 <br />894 <br />102.1 <br />1156 <br />1259 <br />1154 <br />126.2 <br />1435 <br />152.3 <br />117.925 <br />2013 <br />143.1 <br />138.2 <br />1,H2 <br />163.9 <br />1722 <br />170.1 <br />155.6 <br />1468 <br />149.8 <br />149.5 <br />Iwo <br />1632 <br />153.883 <br />2014 <br />180.7 <br />2351 <br />2103 <br />191.7 <br />1934 <br />1867 <br />1]9.(i <br />1595 <br />162.8 <br />160.4 <br />1551 <br />170.5 <br />182.400 <br />2015 <br />1276 <br />1147 <br />1158 <br />101.1 <br />1010 <br />108.8 <br />109.4 <br />112.1 <br />104.5 <br />99.6 <br />846 <br />854 <br />105.383 <br />2016 <br />936 <br />840 <br />64.4 <br />702 <br />750 <br />82.3 <br />1135 <br />1059 <br />1139 <br />1144 <br />Iwo <br />132.5 <br />96.233 <br />2011 <br />156.2 <br />1330 <br />1038 <br />1204 <br />1198 <br />1203. <br />115.1 <br />1118 <br />1116 <br />108.8 <br />1066 <br />1167 <br />118.675 <br />Service Coanporent <br />Increase Calwla8on: <br />1118.675-96.211) -N.233 <br />March 9, 2020 WA_F 52 <br />City of Santa Ana - DRAFT <br />