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Coal stockpiles at US coal power plants were at their lowest point in over a decade - EIA

Coal News - Published on Mon, 20 May 2019

Image Source: eia.gov
US coal stockpiles decreased to 98.7 million tonnes in February 2019, their lowest value in more than a decade. Total US coal stockpiles have fallen as more coal plants have retired. Coal plants generally stockpile much more coal than they consume in a month. Coal consumed by power plants follows the seasonal pattern in overall electricity generation, meaning coal consumption is typically highest in summer and winter months. Because coal-fired power plants are consuming more coal in the warmest summer months and coldest winter months, coal stocks at power plants are often at their lowest in August and February.

In addition to surveying coal stockpile levels, EIA also calculates how long these stockpiles would last, assuming the power plants receive no additional coal. This value, known as days of burn, considers each plant’s current stockpile level and its estimated consumption rate in the coming months. In February 2019, US coal power plants had, on average, about 90 days of burn.

Because coal-fired power plants use different types of coal, EIA tracks this data based on coal rank. The two main types of coal used for electricity generation in the United States are bituminous coal, which is mostly produced in states such as West Virginia, Illinois, and Pennsylvania, and subbituminous coal, which is mostly produced in Wyoming.

For bituminous coal-fired power plants, most of which are located in the eastern United States, the average number of days of burn reached 91 days in February 2019. For subbituminous coal-fired power plants, largely located in the Midwest and West, the average number of days of burn was slightly lower at 89 days in February 2019.

EIA expects coal stockpiles to remain relatively low throughout 2019, according to forecasts in EIA’s latest Short-Term Energy Outlook. Coal is expected to be the second-highest fuel for electricity generation in 2019, providing 996 million megawatthours, or 24% of total electricity generation, second only to natural gas at 1,505 million megawatthours (37%). To provide that electricity, the U.S. power sector is forecast to consume about 555 million short tons of coal. If realized, this level of coal consumption by the U.S. power sector would be the lowest since 1979.

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Posted By : Rabi Wangkhem on Mon, 20 May 2019
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