Nuclear & Uranium

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Uranium Marketing Annual Report

With Data for 2016  |  Release Date:  June 19, 2017  |  Next Release Date: June 2018 | full report

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Table 22. Inventories of natural and enriched uranium by material type as of end of year, 2012-16
thousand pounds U3O8 equivalent
  Inventories at the end of the year
Type of uranium inventory owned by 2012 2013 2014 2015 P2016
Owners and operators of U.S. civilian nuclear power reactors inventories 97,647 113,077 114,046 121,131 128,554
Uranium concentrate (U3O8) 15,963 18,131 19,060 20,635 20,790
Natural UF6 29,084 38,332 40,803 48,136 54,231
Enriched UF6 38,428 40,841 43,382 41,557 43,704
Fabricated fuel (not inserted into a reactor) 14,173 15,773 10,802 10,803 9,829
U.S. supplier inventories 23,289 21,342 18,682 14,340 15,310
Uranium concentrate (U3O8) 7,057 7,658 6,170 6,289 7,184
Natural UF6 W W W W W
Enriched UF6 W W W W W
Fabricated fuel (not inserted into a reactor) 0 0 0 0 0
Total commercial inventories 120,936 134,418 132,728 135,471 143,864

P = Preliminary data. Final 2014 inventory data reported in the 2015 survey.
W = Data withheld to avoid disclosure of individual company data.
Note: Totals may not equal sum of components because of independent rounding.
Source: U.S. Energy Information Administration, Form EIA-858 "Uranium Marketing Annual Survey" (2013-16).