![The cooling tower at the Callaway Energy Center, Missouri's only nuclear power plant, Thursday, Oct. 19, 2017, in Reform, Mo. The plant is currently shut down for scheduled maintenance while undergoing a The cooling tower at the Callaway Energy Center, Missouri's only nuclear power plant, Thursday, Oct. 19, 2017, in Reform, Mo. The plant is currently shut down for scheduled maintenance while undergoing a](https://c8.alamy.com/comp/2MR70R8/the-cooling-tower-at-the-callaway-energy-center-missouris-only-nuclear-power-plant-thursday-oct-19-2017-in-reform-mo-the-plant-is-currently-shut-down-for-scheduled-maintenance-while-undergoing-a-nearly-130-million-repair-project-that-includes-the-first-overhaul-of-its-main-generator-since-the-plant-began-operating-in-1984-ap-photojeff-roberson-2MR70R8.jpg)
The cooling tower at the Callaway Energy Center, Missouri's only nuclear power plant, Thursday, Oct. 19, 2017, in Reform, Mo. The plant is currently shut down for scheduled maintenance while undergoing a
![St. Louis-based AmerenUE operates the Callaway Nuclear Plant in Callaway County near Fulton, Mo. The plant is Missouri's only commercial nuclear-fired power plant. Image courtesy AmerenUE St. Louis-based AmerenUE operates the Callaway Nuclear Plant in Callaway County near Fulton, Mo. The plant is Missouri's only commercial nuclear-fired power plant. Image courtesy AmerenUE](https://bloximages.newyork1.vip.townnews.com/stltoday.com/content/tncms/assets/v3/editorial/7/9a/79a10cfe-f3fa-11df-8521-0017a4a78c22/4ce6a668c04fe.image.jpg?resize=339%2C500)
St. Louis-based AmerenUE operates the Callaway Nuclear Plant in Callaway County near Fulton, Mo. The plant is Missouri's only commercial nuclear-fired power plant. Image courtesy AmerenUE
![Callaway's HI-STORM UMAX Underground Storage Facility Rises Above its Subterranean Base Mat - Holtec International Callaway's HI-STORM UMAX Underground Storage Facility Rises Above its Subterranean Base Mat - Holtec International](https://i0.wp.com/holtecinternational.com/wp-content/uploads/2014/12/photo-1-old-e1418241678370.jpg?fit=1211%2C804&ssl=1)