Coal Used for Electricity Generation, 1999 Arizona

Average Quality and
Average Delivered Cost 		Produced in State Receipts, All Sources
Heat Content (million Btu per short ton) 21.88 20.51
Sulfur Content (percent by weight) .53 .55
Ash Content (percent by weight) 9.44 12.67
Pounds of Sulfur per million Btu .48 .53
Dollars per million Btu 1.17 1.33
Dollars per short ton 25.54 27.21

       Sources: •Federal Energy Regulatory Commission, FERC Form 423, "Monthly Report of Cost and Quality of Fuels for Electric Plants."