U.S. Energy Information Administration logo
Skip to sub-navigation
‹ U.S. States

Illinois   Illinois Profile

State Profile and Energy Estimates

Profile Overview

Quick Facts

  • Illinois is the sixth-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, and the state's 4 refineries can process nearly 1 million barrels of crude oil 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 and also the third-largest producer of biodiesel.
  • Illinois generates more electricity from nuclear energy than any other state, and it accounted for about 13% of U.S. nuclear power generation in 2023.

Last Updated: September 19, 2024

More Data & Analysis in Illinois