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Illinois   Illinois Profile

State Profile and Energy Estimates

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Profile Overview

Quick Facts

  • Illinois is the fifth-largest energy-consuming state in the nation, and its industrial sector, which includes petroleum refining, coal mining, and agriculture, uses the most energy of any end-use sector in the state.
  • Illinois ranks fourth in the nation in crude oil refining capacity behind Texas, Louisiana, and California, with a refining capacity of nearly 1 million barrels per calendar day.
  • The estimated recoverable coal reserves in Illinois are the second-largest in the nation after Montana, and the state's coal mines account for 6% of U.S. total coal production.
  • Illinois is the third-largest ethanol-producing state (1.5 billion gallons annually) and the fourth-largest biodiesel fuel producer (134 million gallons).
  • Illinois generates more electricity from nuclear energy than any other state, and it accounted for about 12% of U.S. nuclear power generation in 2021.

Last Updated: July 21, 2022

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