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Electricity Monthly Update

With Data for March 2017  |  Release Date: May 25, 2017  |  Next Release Date: June 23, 2017

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Electric Power Sector Coal Stocks: March 2017

 



In March, U.S. coal stockpiles increased to 164 million tons, up 1% from the previous month. This increase in total coal stockpiles occurred because the country experienced extremely warm temperatures in both February 2017 and March 2017.

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 100 days of burn in February to 94 days of forward-looking days of burn in March. For subbituminous units largely located in the western United States, the average number of days of burn decreased from 104 days in February to 97 days in March.

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

  March 2017   March 2016   February 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 4,583 84   7,186 111 -36.2% 5,229 92 -12.3%
  Subbituminous 145 251   171 208 -15.3% 159 168 -9.1%
South Bituminous 31,894 93   36,331 97 -12.2% 31,517 100 1.2%
  Subbituminous 6,222 80   7,951 95 -21.7% 6,144 88 1.3%
Midwest Bituminous 15,271 97   18,005 100 -15.2% 15,017 100 1.7%
  Subbituminous 43,570 98   46,917 94 -7.1% 43,181 104 0.9%
West Bituminous 5,937 100   4,965 76 19.6% 5,732 103 3.6%
  Subbituminous 31,500 100   42,069 114 -25.1% 30,470 108 3.4%
U.S. Total Bituminous 57,685 94   66,487 97 -13.2% 57,495 100 0.3%
  Subbituminous 81,438 97   97,107 102 -16.1% 79,955 104 1.9%

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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