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CCR Compliance Reports

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 2022  |  3 Meramec Energy Center scheduled to close at the end of 2022  |  4 Two basins closed in Spring 2018