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Electricity Monthly Update

With Data for December 2016  |  Release Date: Feb. 24, 2017  |  Next Release Date: Mar. 24, 2017

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Electric Power Sector Coal Stocks: December 2016

 



In December, U.S. coal stockpiles decreased to 164 million tons, down 4.8% from the previous month. This decrease in total coal stockpiles follows the normal seasonal pattern whereby coal stockpiles are drawn down during the winter months.

Days of burn




The average number of days of burn held at electric power plants is a forward-looking estimate of coal supply given a power plant's current stockpile and past consumption patterns. For bituminous units largely located in the eastern United States, the average number of days of burn decreased from 85 days of burn in November to 80 days of forward-looking days of burn in December. For subbituminous units largely located in the western United States, the average number of days of burn remained flat from the previous month at 90 days .

Coal stocks and average number of days of burn for non-lignite coal by region (electric power sector)

  December 2016   December 2015   November 2016  
Zone Coal Stocks (1000 tons) Days of Burn   Stocks (1000 tons) Days of Burn % Change of Stocks Stocks (1000 tons) Days of Burn % Change of Stocks
Northeast Bituminous 5,484 66   8,431 92 -35.0% 5,971 77 -8.2%
  Subbituminous 98 36   675 174 -85.5% 153 63 -35.8%
South Bituminous 29,868 77   38,367 94 -22.2% 30,726 82 -2.8%
  Subbituminous 5,978 68   8,145 97 -26.6% 6,491 75 -7.9%
Midwest Bituminous 16,279 87   18,555 88 -12.3% 17,154 90 -5.1%
  Subbituminous 44,048 87   48,508 82 -9.2% 45,254 85 -2.7%
West Bituminous 5,868 98   5,331 77 10.1% 6,099 93 -3.8%
  Subbituminous 31,244 100   40,914 116 -23.6% 34,098 102 -8.4%
U.S. Total Bituminous 57,499 80   70,685 90 -18.7% 59,950 85 -4.1%
  Subbituminous 81,369 90   98,241 95 -17.2% 85,996 90 -5.4%

Source: U.S. Energy Information Administration

NOTE: Stockpile levels shown above reflect a sample of electric power sector plants, which were used to create the days of burn statistics. These levels will not equal total electric power sector stockpile levels.

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