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
January30.21948.874103.819109.876111.87192.55779.335 39.01191.15951.52362.84641.12533.100
February31.13953.845106.297112.757119.64796.78676.741 42.77694.42256.99859.26243.58933.660
March38.10252.279107.907108.930122.678115.34179.45147.747 105.06359.00760.60750.63235.505
April58.486107.362104.576120.945120.86082.232 46.558 112.37063.91667.73749.74935.430
May64.373108.060104.423110.546113.56774.231 58.234125.41264.75569.31646.77239.066
June64.401110.757104.00698.063111.07975.664 69.797 133.77669.10969.50053.67436.729
July56.197107.634111.341103.748114.46976.52964.530 132.87175.93073.10456.67139.440
August48.257101.778110.568110.792106.94875.78371.523115.97673.83071.73862.40043.124
September48.83096.053110.483111.937113.73675.266 69.200101.862 79.72062.33063.46742.707
October48.20084.905104.820107.297110.83682.40674.27573.65084.77054.26860.36948.560
November44.23877.407101.284105.235115.644083.928 76.52453.9492.98254.26156.10842.151
December37.14660.902108.190107.305106.543089.747 75.11737.699 88.63858.13257.16936.658


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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