Summary of Electricity Activity in St. Charles County, MO
Summary of St. Charles County, MO Generation
St. Charles County, MO is ranked #332 out of 2,167 U.S. counties nationwide and #6 out of 61 Missouri counties in terms of total annual net electricity generation.
| Annual Generation | 3.8 TWh |
|---|---|
| Annual Consumption | 43.6 M MMBtu |
| Last Update | Feb 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
2.9 TWh
National Rank in Terms of subbituminous coal Net Electricity Generation
#48 /110 U.S. Counties
State Rank in Terms of subbituminous coal Net Electricity Generation
#5 /10 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 / 61 | #332 / 2167 | 3.81 TWh | 43.65 M MMBtu |
| Subbituminous Coal | #5 / 10 | #48 / 110 | 2.95 TWh | 33.60 M MMBtu |
| Bituminous Coal | #1 / 2 | #52 / 109 | 857.16 GWh | 10.00 M MMBtu |
| Distillate Fuel Oil | #9 / 32 | #214 / 736 | 3.69 GWh | 39.90 k MMBtu |
| Solar | #25 / 28 | #1157 / 1254 | 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) | 3.8 TWh | 43.6 M MMBtu | Subbituminous Coal : 77.4% Bituminous Coal : 22.5% |
| 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 |
|---|---|---|---|
| #40 | Franklin County | 16.7 TWh | 1 |
| #906 | Jefferson County | 603.1 GWh | 1 |
| #1236 | Jersey County | 250.5 GWh | 1 |
| #1279 | Lincoln County | 218.7 GWh | 1 |
| #988 | Madison County | 491.8 GWh | 10 |
| #2114 | Monroe County | 491.0 MWh | 2 |
| #1920 | Montgomery County | 8.8 GWh | 1 |
| #1682 | St. Louis city | 41.2 GWh | 4 |
| #1534 | St. Louis County | 86.1 GWh | 4 |
| #1186 | Warren County | 299.0 GWh | 1 |
Electricity Generation for Cities Located in St. Charles County, MO
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #1 | Augusta, MO | 16.7 TWh | 1 |
| #69 | O'Fallon, MO | 2.3 GWh | 1 |
| #6 | West Alton, MO | 3.8 TWh | 1 |