Solar Power in Illinois
Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.
Solar generation (2025)
6,494 thousand MWh
Share of state power mix
3.36%
National rank (solar output)
#11
U.S. average share
6.68%
Solar share of Illinois's power mix over time
2001: — → 2025: 3.36%
Year by year
| Year | Solar (thousand MWh) | Share of state mix |
|---|---|---|
| 2025 | 6,494 | 3.36% |
| 2024 | 3,057 | 1.65% |
| 2023 | 1,911 | 1.08% |
| 2022 | 1,548 | 0.84% |
| 2021 | 513 | 0.28% |
| 2020 | 79 | 0.05% |
| 2019 | 62 | 0.03% |
| 2018 | 66 | 0.04% |
| 2017 | 52 | 0.03% |
| 2016 | 49 | 0.03% |
| 2015 | 49 | 0.03% |
| 2014 | 50 | 0.02% |
| 2013 | 52 | 0.03% |
| 2012 | 31 | 0.02% |
| 2011 | 14 | 0.01% |
| 2010 | 14 | 0.01% |
| 2009 | 0 | 0% |
| 2008 | — | — |
| 2007 | — | — |
| 2006 | — | — |
| 2005 | — | — |
| 2004 | — | — |
| 2003 | — | — |
| 2002 | — | — |
| 2001 | — | — |
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.