Table 6.4. Stocks of Coal by Coal Rank: Electric Power Sector, 2002 - 2011

  Electric Power Sector
Period Bituminous Coal Subbituminous Coal Lignite Coal Total
End of Year Stocks
2002 70,704 66,593 4,417 141,714
2003 57,716 59,884 3,967 121,567
2004 49,022 53,618 4,029 106,669
2005 52,923 44,377 3,836 101,137
2006 67,760 68,408 4,797 140,964
2007 63,964 82,692 4,565 151,221
2008 65,818 91,214 4,556 161,589
2009 91,922 92,448 5,097 189,467
2010 81,108 86,915 6,894 174,917
2011 82,056 85,151 5,179 172,387
2009, End of Month Stocks
January 62,096 89,016 4,963 156,075
February 65,290 90,218 5,092 160,601
March 76,214 92,447 5,562 174,223
April 83,917 96,067 5,806 185,790
May 89,418 99,637 6,048 195,103
June 90,862 98,761 6,033 195,656
July 89,578 97,889 6,096 193,563
August 89,181 96,568 5,783 191,532
September 93,208 98,206 5,794 197,208
October 95,788 98,254 5,434 199,477
November 98,281 100,194 5,290 203,765
December 91,922 92,448 5,097 189,467
2010, End of Month Stocks
January 86,354 86,893 4,845 178,091
February 82,469 83,721 4,836 171,026
March 86,698 86,014 5,030 177,742
April 92,621 89,545 7,095 189,260
May 93,069 91,514 7,085 191,669
June 87,123 87,299 7,068 181,490
July 80,465 81,933 7,107 169,504
August 76,303 77,081 6,604 159,987
September 78,201 78,906 6,669 163,776
October 84,103 84,992 6,592 175,686
November 87,548 88,880 6,961 183,389
December 81,108 86,915 6,894 174,917
2011, End of Month Stocks
January 76,100 82,111 6,364 164,575
February 75,549 79,101 6,414 161,064
March 77,414 82,337 6,504 166,255
April 79,734 86,900 6,793 173,427
May 79,250 88,099 6,744 174,093
June 75,011 83,599 6,539 165,149
July 66,549 74,518 6,229 147,296
August 64,584 67,775 6,168 138,527
September 66,763 70,804 6,144 143,711
October 74,236 75,766 6,193 156,196
November 79,726 81,302 6,726 167,754
December 82,056 85,151 5,179 172,387

Notes: See Glossary for definitions.
Values are final. See Technical Notes for a discussion of the sample design for the Form EIA-923.
and predecessor forms. Totals may not equal sum of components because of independent rounding.
Sources: U.S. Energy Information Administration, Form EIA-906, Power Plant Report; U.S. Energy Information Administration, Form EIA-920 Combined Heat and Power Plant Report, and predecessor forms. Beginning with 2008 data, the Form EIA-923, Power Plant Operations Report, replaced the following:
Form EIA-906, Power Plant Report; Form EIA-920, Combined Heat and Power Plant Report; Form EIA-423, Monthly Cost and Quality of Fuels for Electric Plants Report;
and Federal Energy Regulatory Commission, FERC Form 423, Monthly Report of Cost and Quality of Fuels for Electric Plants.