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Natural gas Power in Illinois
Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.
Natural gas generation (2025)
32,567 thousand MWh
Share of state power mix
16.84%
National rank (natural gas output)
#17
U.S. average share
40.8%
Natural gas share of Illinois's power mix over time
2001: 2.57% → 2025: 16.84%
Year by year
| Year | Natural gas (thousand MWh) | Share of state mix |
|---|---|---|
| 2025 | 32,567 | 16.84% |
| 2024 | 30,137 | 16.29% |
| 2023 | 28,445 | 16% |
| 2022 | 19,789 | 10.68% |
| 2021 | 20,665 | 11.38% |
| 2020 | 24,516 | 14.14% |
| 2019 | 21,346 | 11.57% |
| 2018 | 17,241 | 9.17% |
| 2017 | 15,016 | 8.18% |
| 2016 | 17,485 | 9.34% |
| 2015 | 10,864 | 5.6% |
| 2014 | 5,465 | 2.7% |
| 2013 | 6,828 | 3.36% |
| 2012 | 11,189 | 5.66% |
| 2011 | 5,956 | 2.99% |
| 2010 | 5,724 | 2.84% |
| 2009 | 4,495 | 2.32% |
| 2008 | 4,260 | 2.14% |
| 2007 | 7,542 | 3.77% |
| 2006 | 5,279 | 2.74% |
| 2005 | 7,114 | 3.66% |
| 2004 | 3,393 | 1.77% |
| 2003 | 3,902 | 2.06% |
| 2002 | 9,079 | 4.83% |
| 2001 | 4,606 | 2.57% |
Source: U.S. Energy Information Administration, electric power operational data (net generation by state and energy source). "Share of state mix" is this fuel's net generation as a percentage of all in-state net generation.