| Energy Center | Location | Began Operation |
| Coal Fired | ||
| Labadie | Franklin County, Mo. | 1970 |
| Rush Island (PDF) | Jefferson County, Mo. | 1976 |
| Sioux | St. Charles County, Mo. | 1967 |
| Meramec | St. Louis County, Mo. | 1953 |
| Nuclear | ||
| Callaway | Callaway County, Mo. | 1984 |
| Hydroelectric |
||
| Osage |
Lakeside, Mo. | 1931 |
| Keokuk |
Keokuk, Iowa | 1913 |
| Taum Sauk (pumped storage) | Reynolds County, Mo. | 1963 |
| Wind |
||
| High Prairie |
Adair and Schuyler Counties, Mo. | 2020 |
| Atchison | Atchison County, Mo. | 2021 |
| Solar |
||
| O'Fallon |
O'Fallon, Mo. | 2014 |
| BJC | St. Louis, Mo. | 2019 |
| Lambert | St. Louis County, Mo. | 2019 |
| Landfill Gas (Methane) |
||
| Maryland Heights |
St. Louis County, Mo. | 2012 |
| Natural Gas - CTGs | ||
| Audrain | Moberly | |
| Fairgrounds | Moreau | |
| Goose Creek | Peno Creek | |
| Kinmundy | Pinckneyville | |
| Meramec | Raccoon Creek | |
| Mexico | Venice | |