Question

The Tennessee Valley Authority’s coal-fired Kingston plant in Tennessee generates 10 billion kilowatt-hours a year by burning 13,000 metric tons of coal a day, supplying electricity to almost 700,000 homes. If all of the 7.7 billion metric tons of coal consumed worldwide in 2015 was converted to electricity, it would have produced approximately _____ billion kilowatt-hours of electricity. Assume the same efficiency as the Kingston plant.




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