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Annual Energy Review

September 2012  PDF | previous editions
Release Date: September 27, 2012

Table 4.8 Coal Demonstrated Reserve Base, January 1, 2011 (Billion Short Tons)
Table 4.8  Coal Demonstrated Reserve Base, January 1, 2011
                     (Billion Short Tons)


Region and State		 Anthracite Bituminous Coal  Subbituminous Coal  Lignite Total
Underground Surface Underground Surface Underground Surface Surface 1 Underground Surface Total
Appalachian 4.0 3.3 68.2 21.9 0.0 0.0 1.1 72.1 26.3 98.4
  Alabama .0 .0 .9 2.1 .0 .0 1.1 .9 3.1 4.0
  Kentucky, Eastern .0 .0 .8 9.1 .0 .0 .0 .8 9.1 9.8
  Ohio .0 .0 17.4 5.7 .0 .0 .0 17.4 5.7 23.1
  Pennsylvania 3.8 3.3 18.9 .8 .0 .0 .0 22.7 4.2 26.9
  Virginia .1 .0 .9 .5 .0 .0 .0 1.0 .5 1.5
  West Virginia .0 .0 28.3 3.4 .0 .0 .0 28.3 3.4 31.7
  Other 2 .0 .0 1.1 .3 .0 .0 .0 1.1 .3 1.4

Interior		 .1 (s) 116.6 27.1 .0 .0 12.6 116.7 39.6 156.4
  Illinois .0 .0 87.6 16.5 .0 .0 .0 87.6 16.5 104.2
  Indiana .0 .0 8.6 .6 .0 .0 .0 8.6 .6 9.2
  Iowa .0 .0 1.7 .5 .0 .0 .0 1.7 .5 2.2
  Kentucky, Western .0 .0 15.6 3.6 .0 .0 .0 15.6 3.6 19.2
  Missouri .0 .0 1.5 4.5 .0 .0 .0 1.5 4.5 6.0
  Oklahoma .0 .0 1.2 .3 .0 .0 .0 1.2 .3 1.5
  Texas .0 .0 .0 .0 .0 .0 12.1 .0 12.1 12.1
  Other 3 .1 (s) .3 1.1 .0 .0 0.4 .4 1.5 1.9

Western		 (s) .0 21.2 2.3 121.2 55.9 29.2 142.4 87.4 229.7
  Alaska .0 .0 .6 .1 4.8 .6 (s) 5.4 .7 6.1
  Colorado (s) .0 7.5 .6 3.7 .0 4.2 11.2 4.8 15.9
  Montana .0 .0 1.4 .0 69.6 32.3 15.8 70.9 48.0 119.0
  New Mexico (s) .0 2.7 .9 3.4 5.0 .0 6.1 5.9 12.0
  North Dakota .0 .0 .0 .0 .0 .0 8.9 .0 8.9 8.9
  Utah .0 .0 4.9 .3 (s) .0 .0 4.9 .3 5.2
  Washington .0 .0 .3 .0 1.0 .0 (s) 1.3 (s) 1.3
  Wyoming .0 .0 3.8 .5 38.6 18.1 .0 42.5 18.5 61.0
  Other 4 .0 .0 (s) .0 (s) (s) .4 (s) .4 .4

U.S. Total		 4.1 3.4 206.0 51.2 121.1 55.9 42.8 331.2 153.3 484.5
  States East of the Mississippi River 4.0 3.3 180.0 42.6 .0 .0 1.1 184.0 47.0 231.0
  States West of the Mississippi River .1 (s) 25.9 8.6 121.1 55.9 41.7 147.2 106.3 253.5
1Lignite resources are not mined underground in the United States. (s)=Less than 0.05 billion short tons.  
2Georgia, Maryland, North Carolina, and Tennessee. Notes:  ·  See U.S. Coal Reserves: 1997 Update on the Web Page for a description of the methodology
used to produce these data.  ·  Data represent remaining measured and indicated coal resources, analyzed
and on file, meeting minimum seam and depth criteria, and in the ground as of January 1, 2011.  These
coal resources are not totally recoverable.  Net recoverability with current mining technologies ranges from
0 percent (in far northern Alaska) to more than 90 percent.  Fifty-four percent of the demonstrated reserve
base of coal in the United States is estimated to be recoverable.  ·  Totals may not equal sum of
components due to independent rounding.
3Arkansas, Kansas, Louisiana, and Michigan. Web Page:  For related information, see http://www.eia.gov/coal/.
4Arizona, Idaho, Oregon, and South Dakota. Source:  U.S. Energy Information Administration, Coal Reserves Database.
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