Callaway
Union Electric Co - (MO)Callaway CountyMISO
Callaway Energy Center is a nuclear generating station in Callaway County, Missouri, associated with the MISO registry. The EIA plant baseline lists 1,235.8 MW of nameplate capacity. Ameren's 2026 facilities fact sheet lists 1,194 MW and says the station began operation in 1984. The profile preserves the source-specific capacity figures rather than treating them as interchangeable.
Ameren Missouri's Callaway Energy Center.
Source: Ameren MissouriOverview
- Registry anchor
- Plant 6153
- plant-6153
Infrastructure record
- Alternate name
- Callaway Energy Center
- Mapped facility footprint
- Mapped infrastructure footprint
Mapped infrastructure geometry associated with this asset.