Summary of Electricity Activity in St. Charles County, MO
Summary of St. Charles County, MO Generation
St. Charles County, MO is ranked #328 out of 2,156 U.S. counties nationwide and #6 out of 59 Missouri counties in terms of total annual net electricity generation.
| Annual Generation | 4.0 TWh |
|---|---|
| Annual Consumption | 42.5 M MMBtu |
| Last Update | Mar 2026 |
| Power Plants | 3 |
| Companies on File | 2 |
Map of Top Producing Plants in St. Charles County, MO
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Annual Net Generation From subbituminous coal power
3.1 TWh
National Rank in Terms of subbituminous coal Net Electricity Generation
#45 /108 U.S. Counties
State Rank in Terms of subbituminous coal Net Electricity Generation
#5 /9 Missouri Counties
Monthly Net Generation for St. Charles County, MO
Monthly Plant Fuel Consumption for St. Charles County, MO
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #6 / 59 | #328 / 2156 | 4.01 TWh | 42.50 M MMBtu |
| Subbituminous Coal | #5 / 9 | #45 / 108 | 3.13 TWh | 33.23 M MMBtu |
| Bituminous Coal | #1 / 2 | #52 / 106 | 875.93 GWh | 9.22 M MMBtu |
| Distillate Fuel Oil | #8 / 31 | #221 / 726 | 3.30 GWh | 42.38 k MMBtu |
| Solar | #26 / 28 | #1162 / 1255 | 2.28 GWh | 8.34 k MMBtu |
Power Plants in St. Charles County, MO
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Sioux | Union Electric Co - (MO) | 4.0 TWh | 42.5 M MMBtu | Subbituminous Coal : 78.1% Bituminous Coal : 21.8% |
| O'Fallon Renewable Energy Center | Union Electric Co - (MO) | 2.3 GWh | 8.3 k MMBtu | Solar |
| Wentzville Assembly & Contiguous | General Motors LLC | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #41 | Franklin County | 16.2 TWh | 1 |
| #1240 | Jersey County | 249.5 GWh | 1 |
| #1251 | Lincoln County | 242.9 GWh | 1 |
| #987 | Madison County | 490.3 GWh | 10 |
| #2101 | Monroe County | 491.0 MWh | 2 |
| #1908 | Montgomery County | 8.8 GWh | 1 |
| #74 | St. Clair County | 12.3 TWh | 9 |
| #1683 | St. Louis city | 40.9 GWh | 4 |
| #1533 | St. Louis County | 86.1 GWh | 4 |
| #1176 | Warren County | 309.2 GWh | 1 |
Electricity Generation for Cities Located in St. Charles County, MO
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #1 | Augusta, MO | 16.2 TWh | 1 |
| #69 | O'Fallon, MO | 2.3 GWh | 1 |
| #6 | West Alton, MO | 4.0 TWh | 1 |