15 AAC 55.171 (m) specifies how the average spot price for ANS at the US West Coast during a month is to be calculated for purposes of determining prevailing value. For the convenience of taxpayers and the public, the Tax Division calculates the average spot price each month and publishes the result on this web page. However, the Division does not guarantee the accuracy of these calculations, and in the event of a discrepancy between a calculation published here and the true average spot price as provided by the regulation, the provisions of the regulation control.

$ Per Barrel2016201520142013201220112010200920082007200620052004
January30.21948.874103.819109.876111.87192.55779.33539.01191.15951.52362.84641.12533.100
February31.13953.845106.297112.757119.64796.78676.74142.77694.42256.99859.26243.58933.660
March38.10252.279107.907108.930122.678115.34179.45147.747105.06359.00760.60750.63235.505
April41.79458.486107.362104.576120.945120.86082.23246.558112.37063.91667.73749.74935.430
May46.61464.373108.060104.423110.546113.56774.23158.234125.41264.75569.31646.77239.066
June47.39964.401110.757104.00698.063111.07975.66469.797133.77669.10969.50053.67436.729
July44.06656.197107.634111.341103.748114.46976.52964.530132.87175.93073.10456.67139.440
August44.16848.257101.778110.568110.792106.94875.78371.523115.97673.83071.73862.40043.124
September44.51448.83096.053110.483111.937113.73675.26669.200101.86279.72062.33063.46742.707
October49.38548.20084.905104.820107.297110.83682.40674.27573.65084.77054.26860.36948.560
November45.88244.23877.407101.284105.235115.64483.92876.52453.94092.98254.26156.10842.151
December37.14660.902108.190107.305106.54389.74775.11737.69988.63858.13257.16936.658


In July 2013, Dow Jones (Telerate), a pricing service, erroneously posted incorrect daily Alaska North Slope (ANS) published estimated spot prices. These prices were issued July 17-22, 2013. This resulted in July 2013 revision to the ANS West Coast (WC) Average Spot Price posted on the Department of Revenue website. ANS WC Prevailing Value for July 2013 decreased from $111.614 to $111.341. The Department is posting this change because this revision affects the 2013 production tax return due on March 31, 2014.

In January 2013, Reuters, a pricing service, deleted several daily Alaska North Slope (ANS) published estimated spot prices. These prices were for “market holidays.” Reuters ordinarily does not publish ANS spot prices on “market holidays.” This resulted in 2 revisions to the ANS West Coast (WC) Average Spot Price posted on the Department of Revenue website. ANS WC Prevailing Value for January 2012 increased from $111.794 to $111.871 and ANS WC Prevailing Value for September 2012 decreased from $111.971 to $111.937. The Department is posting this change because this revision affects the 2012 production tax return due on March 31, 2013.

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