Table 6.4. Stocks of Coal by Coal Rank: Electric Power Sector, 2004 - 2014

  Electric Power Sector
Period Bituminous Coal Subbituminous Coal Lignite Coal Total
End of Year Stocks
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
2012 86,437 93,833 4,846 185,116
2013 73,113 69,720 5,051 147,884
2014 72,771 72,552 6,225 151,548
Year 2012, End of Month Stocks
January 83,807 91,263 5,021 180,091
February 87,674 94,462 4,729 186,866
March 90,520 100,126 4,734 195,380
April 93,508 103,798 4,960 202,265
May 94,058 103,893 5,187 203,137
June 92,348 100,431 5,146 197,924
July 83,754 95,299 4,906 183,958
August 80,888 92,705 4,944 178,537
September 82,766 94,464 4,789 182,020
October 86,510 95,156 4,730 186,396
November 87,622 95,917 4,752 188,291
December 86,437 93,833 4,846 185,116
Year 2013, End of Month Stocks
January 83,501 90,693 4,664 178,859
February 81,835 89,227 4,504 175,565
March 80,528 86,416 4,792 171,736
April 82,756 85,182 5,076 173,014
May 84,487 86,439 6,248 177,174
June 82,016 82,922 6,186 171,124
July 75,887 78,372 5,760 160,019
August 73,002 75,970 5,595 154,567
September 72,121 75,001 5,571 152,694
October 74,079 74,620 5,496 154,194
November 75,232 75,683 5,334 156,249
December 73,113 69,720 5,051 147,884
Year 2014, End of Month Stocks
January 63,618 64,709 5,378 133,705
February 56,041 58,418 5,445 119,904
March 55,150 57,657 5,453 118,260
April 60,602 62,266 6,056 128,925
May 63,782 66,827 6,311 136,921
June 62,679 64,378 6,423 133,479
July 60,134 59,514 6,222 125,870
August 60,128 54,787 6,453 121,369
September 63,031 55,432 6,082 124,546
October 69,246 61,368 6,350 136,964
November 70,666 66,105 5,824 142,595
December 72,771 72,552 6,225 151,548

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.