United States · MONuclear power plants in Missouri
Missouri has one operating nuclear reactor, totalling 1,215 net MWe, across one plant. The first entered service in 1984.
They are operated by Ameren UE; Union Electric.
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Plants
| Plant | Units | Types | Status today | MWe operating |
|---|---|---|---|---|
| Callaway | 1 | PWR | operating | 1,215 |
Data: IAEA PRIS · Wikipedia · updated on Sep 9, 2026
States with operating reactors
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