2d. United States Coal Reserves

The “What is coal?” section of this course touched on the types of coala dark brown to black combustible rock of organic origin formed over millions of years by the partial decomposition of... Read More and where they are produced in the United States. 

77% percent of U.S. coal reservesUnloaded generating capacity available for service. Read More are located in:

• Montana
• Illinois
• Wyoming
• West Virginia
• Kentucky
• Pennsylvania

The remaining 23% is located in 25 different states as shown on the map.