Summary of Electricity Activity in St. Clair County, IL
Summary of St. Clair County, IL Generation
St. Clair County, IL is ranked #89 out of 2,164 U.S. counties nationwide and #6 out of 78 Illinois counties in terms of total annual net electricity generation.
| Annual Generation | 10.9 TWh |
|---|---|
| Annual Consumption | 113.5 M MMBtu |
| Last Update | Sep 2025 |
| Power Plants | 9 |
| Companies on File | 8 |
Map of Top Producing Plants in St. Clair County, IL
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Annual Net Generation From bituminous coal power
10.8 TWh
National Rank in Terms of bituminous coal Net Electricity Generation
#6 /111 U.S. Counties
State Rank in Terms of bituminous coal Net Electricity Generation
#1 /6 Illinois Counties
Monthly Net Generation for St. Clair County, IL
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #6 / 78 | #89 / 2164 | 10.89 TWh | 113.52 M MMBtu |
| Bituminous Coal | #1 / 6 | #6 / 111 | 10.83 TWh | 112.98 M MMBtu |
| Natural Gas | #20 / 31 | #638 / 929 | 43.21 GWh | 482.71 k MMBtu |
| Solar | #30 / 58 | #781 / 1233 | 15.49 GWh | 56.72 k MMBtu |
| Distillate Fuel Oil | #17 / 25 | #513 / 737 | 122.00 MWh | 1.42 k MMBtu |
Power Plants in St. Clair County, IL
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Prairie State Generating Station | Prairie State Generating Co LLC | 10.9 TWh | 113.2 M MMBtu | Bituminous Coal : 99.8% |
| Milam Gas Recovery | WM Illinois Renewable Energy LLC | 19.4 GWh | 229.6 k MMBtu | Natural Gas |
| AES Belleville Solar LLC | AES Distributed Energy | 12.9 GWh | 47.4 k MMBtu | Solar |
| SCS American Bottoms 009885 Sauget, LLC | Arevon Energy, Inc. | 2.5 GWh | 8.8 k MMBtu | Solar |
| St. Clair Solar 3 | Pivot Energy | 158.0 MWh | 539 MMBtu | Solar |
| Freeburg | Village of Freeburg - (IL) | 122.0 MWh | 1.4 k MMBtu | Distillate Fuel Oil |
| Schmidt CSG 1 | SunVest Solar LLC | 0.0 Wh | 0 MMBtu | No Information Available |
| St. Clair Solar 5 | Pivot Energy | 0.0 Wh | 0 MMBtu | No Information Available |
| SV CSG East St Louis | SV CSG East St Louis LLC | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #1873 | Clinton County | 11.5 GWh | 10 |
| #895 | Jefferson County | 603.1 GWh | 1 |
| #1226 | Jersey County | 251.8 GWh | 1 |
| #995 | Madison County | 471.1 GWh | 10 |
| #2108 | Monroe County | 491.0 MWh | 2 |
| #1060 | Perry County | 410.6 GWh | 3 |
| #202 | Randolph County | 6.7 TWh | 5 |
| #320 | St. Charles County | 4.1 TWh | 3 |
| #1662 | St. Louis city | 43.6 GWh | 4 |
| #1523 | St. Louis County | 86.1 GWh | 4 |
* Net Generation data is based on the last 12 months since Sep 2025
Electricity Generation for Cities Located in St. Clair County, IL
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #113 | Belleville, IL | 12.9 GWh | 2 |
| #102 | Fairmont City, IL | 19.4 GWh | 1 |
| #225 | Freeburg, IL | 122.0 MWh | 1 |
| #6 | Marissa, IL | 10.9 TWh | 1 |
| #198 | Sauget, IL | 2.5 GWh | 1 |
| #222 | Washington Park, IL | 158.0 MWh | 1 |
* Net Generation data is based on the last 12 months since Sep 2025