Detailed data and information for each of Ameren Missouri's coal-fired energy centers is publicly available, providing transparency to customers and stakeholders on Ameren Missouri's operations.
| Energy Center | Wastewater Input to Basins Ends | CCR Input to Basins End | Last Ash Basin Closes | Number of Basins to Close | Approximate CCR Volume1 |
| Labadie | 2018 | Sept. 2019 | 2020 | 2 | 15 |
| Rush Island | 2018 | Apr. 2018 | 2020 | 1 | 13 |
| Sioux | 2020 | Dec. 2020 | 20212 | 3 | 8 |
| Meramec3 | 2020 | Dec. 2022 | 2023 | 94 | 3 |
1 Million cubic yards | 2 Gypsum basin closed in 2024 | 3 Meramec Energy Center scheduled to close at the end of 2022 | 4 Two basins closed in Spring 2018