Table 6.4. Stocks of Coal by Coal Rank: Electric Power Sector, 2006 - 2016

  Electric Power Sector
Period Bituminous Coal Subbituminous Coal Lignite Coal Total
End of Year Stocks
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
2015 82,004 108,614 4,931 195,548
2016 67,241 90,376 4,393 162,009
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
Year 2015, End of Month Stocks
January 70,423 78,424 5,542 154,390
February 64,396 79,411 5,264 149,071
March 65,421 84,013 4,912 154,347
April 70,985 90,919 5,159 167,063
May 74,195 93,538 5,077 172,809
June 72,921 88,835 4,681 166,437
July 68,197 84,988 4,753 157,938
August 67,777 83,691 4,484 155,952
September 70,365 87,185 4,559 162,109
October 76,243 94,720 4,626 175,588
November 80,254 103,602 4,738 188,595
December 82,004 108,614 4,931 195,548
Year 2016, End of Month Stocks
January 76,919 105,641 4,643 187,203
February 76,373 106,153 4,537 187,064
March 79,664 107,076 4,813 191,553
April 81,390 106,720 5,075 193,185
May 82,185 105,068 5,164 192,417
June 78,216 98,822 5,048 182,086
July 71,287 92,104 4,727 168,119
August 67,462 87,040 4,406 158,908
September 65,962 86,411 4,194 156,567
October 67,250 89,666 4,016 160,932
November 70,537 95,428 4,313 170,277
December 67,241 90,376 4,393 162,009

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.