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Electricity Monthly Update

With Data for April 2017  |  Release Date: June 23, 2017  |  Next Release Date: July 25, 2017

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Electric Power Sector Coal Stocks: April 2017

 



In April, U.S. coal stockpiles increased to 166 million tons, up 1% from the previous month. This increase in total coal stockpiles is a normal occurance during the spring as the country builds up coal stockpiles to be used during the summer months when demand for electricity is greater.

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 94 days of burn in March to 84 days of forward-looking days of burn in April. For subbituminous units largely located in the western United States, the average number of days of burn decreased from 97 days in March to 87 days in April.

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

  April 2017   April 2016   March 2017  
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 4,712 81   7,662 117 -38.5% 4,583 84 2.8%
  Subbituminous 145 226   171 184 -15.3% 145 251 0.0%
South Bituminous 32,491 82   37,153 88 -12.5% 31,894 93 1.9%
  Subbituminous 6,518 71   7,838 86 -16.8% 6,222 80 4.8%
Midwest Bituminous 15,362 89   18,387 95 -16.4% 15,271 97 0.6%
  Subbituminous 43,658 88   46,733 86 -6.6% 43,570 98 0.2%
West Bituminous 5,924 90   5,587 76 6.0% 5,937 100 -0.2%
  Subbituminous 32,205 89   41,393 103 -22.2% 31,500 100 2.2%
U.S. Total Bituminous 58,489 84   68,788 91 -15.0% 57,685 94 1.4%
  Subbituminous 82,525 87   96,135 93 -14.2% 81,438 97 1.3%

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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