AMEREN CORP Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses
AMEREN CORP (AEE) reported Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses of $521.00 million for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-03.
Financial Statements › Expense Statement › Operating Expenses
us-gaap:UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses · last filed 2026-08-03
- AMEREN CORP utilities operating expense, maintenance, operations, and other costs and expenses for the quarter ending 2026-06-30 was $521.00M, a 13.26% increase year-over-year.
- AMEREN CORP utilities operating expense, maintenance, operations, and other costs and expenses for the quarter ending 2026-03-31 was $491.00M, a 1.24% increase year-over-year.
- AMEREN CORP utilities operating expense, maintenance, operations, and other costs and expenses for the quarter ending 2025-12-31 was $527.00M, a 2.53% increase year-over-year.
- AMEREN CORP utilities operating expense, maintenance, operations, and other costs and expenses for the quarter ending 2025-09-30 was $502.00M, a 3.46% decline year-over-year.
- AMEREN CORP utilities operating expense, maintenance, operations, and other costs and expenses for fiscal 2025 was $1.97B, a 0.25% increase from fiscal 2024.
- AMEREN CORP utilities operating expense, maintenance, operations, and other costs and expenses for fiscal 2024 was $1.97B, a 5.52% increase from fiscal 2023.
- AMEREN CORP utilities operating expense, maintenance, operations, and other costs and expenses for fiscal 2023 was $1.87B, a 3.67% decline from fiscal 2022.
- AMEREN CORP utilities operating expense, maintenance, operations, and other costs and expenses for fiscal 2022 was $1.94B, a 9.19% increase from fiscal 2021.
| Period end | Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses 3 month | Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses 3 month as first filed | Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses 6 month | Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses 6 month as first filed | Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses 9 month | Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses 9 month as first filed | Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses 12 month | Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $521.00M 10-Q · filed 2026-08-03 | $1.01B 10-Q · filed 2026-08-03 | $1.54B derived: sum of 3 quarters · filed 2026-08-03 | $2.04B derived: sum of 4 quarters · filed 2026-08-03 | ||||
| 2026-03-31 | $491.00M 10-Q · filed 2026-05-08 | $1.02B derived: sum of 2 quarters · filed 2026-05-08 | $1.52B derived: sum of 3 quarters · filed 2026-05-08 | $1.98B derived: sum of 4 quarters · filed 2026-08-03 | ||||
| 2025-12-31 | $527.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-18 | $1.03B derived: sum of 2 quarters · filed 2026-02-18 | $1.49B derived: sum of 3 quarters · filed 2026-08-03 | $1.97B 10-K · filed 2026-02-18 | ||||
| 2025-09-30 | $502.00M 10-Q · filed 2025-11-06 | $962.00M derived: sum of 2 quarters · filed 2026-08-03 | $1.45B 10-Q · filed 2025-11-06 | $1.96B derived: sum of 4 quarters · filed 2026-08-03 | ||||
| 2025-06-30 | $460.00M 10-Q · filed 2026-08-03 | $945.00M 10-Q · filed 2026-08-03 | $1.46B derived: sum of 3 quarters · filed 2026-08-03 | $1.98B derived: sum of 4 quarters · filed 2026-08-03 | ||||
| 2025-03-31 | $485.00M 10-Q · filed 2026-05-08 | $999.00M derived: sum of 2 quarters · filed 2026-05-08 | $1.52B derived: sum of 3 quarters · filed 2026-05-08 | $1.98B derived: sum of 4 quarters · filed 2026-05-08 | ||||
| 2024-12-31 | $514.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-18 | $1.03B derived: sum of 2 quarters · filed 2026-02-18 | $1.50B derived: sum of 3 quarters · filed 2026-02-18 | $1.97B 10-K · filed 2026-02-18 | ||||
| 2024-09-30 | $520.00M 10-Q · filed 2025-11-06 | $985.00M derived: sum of 2 quarters · filed 2025-11-06 | $1.46B 10-Q · filed 2025-11-06 | $1.95B derived: sum of 4 quarters · filed 2026-02-18 | ||||
| 2024-06-30 | $465.00M 10-Q · filed 2025-08-04 | $935.00M 10-Q · filed 2025-08-04 | $1.43B derived: sum of 3 quarters · filed 2026-02-18 | $1.90B derived: sum of 4 quarters · filed 2026-02-18 | ||||
| 2024-03-31 | $470.00M 10-Q · filed 2025-05-05 | $968.00M derived: sum of 2 quarters · filed 2026-02-18 | $1.44B derived: sum of 3 quarters · filed 2026-02-18 | $1.89B derived: sum of 4 quarters · filed 2026-02-18 | ||||
| 2023-12-31 | $498.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-18 | $968.00M derived: sum of 2 quarters · filed 2026-02-18 | $1.42B derived: sum of 3 quarters · filed 2026-02-18 | $1.87B 10-K · filed 2026-02-18 | ||||
| 2023-09-30 | $470.00M 10-Q · filed 2024-11-07 | $920.00M derived: sum of 2 quarters · filed 2024-11-07 | $1.37B 10-Q · filed 2024-11-07 | $1.88B derived: sum of 4 quarters · filed 2025-02-18 | ||||
| 2023-06-30 | $450.00M 10-Q · filed 2024-08-05 | $898.00M 10-Q · filed 2024-08-05 | $1.41B derived: sum of 3 quarters · filed 2025-02-18 | $1.88B derived: sum of 4 quarters · filed 2025-02-18 | ||||
| 2023-03-31 | $448.00M 10-Q · filed 2024-05-06 | $958.00M derived: sum of 2 quarters · filed 2025-02-18 | $1.43B derived: sum of 3 quarters · filed 2025-02-18 | $1.92B derived: sum of 4 quarters · filed 2025-02-18 | ||||
| 2022-12-31 | $510.00M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-18 | $985.00M derived: sum of 2 quarters · filed 2025-02-18 | $1.48B derived: sum of 3 quarters · filed 2025-02-18 | $1.94B 10-K · filed 2025-02-18 | ||||
| 2022-09-30 | $475.00M 10-Q · filed 2023-11-09 | $966.00M derived: sum of 2 quarters · filed 2023-11-09 | $1.43B 10-Q · filed 2023-11-09 | $1.91B derived: sum of 4 quarters · filed 2024-02-29 | ||||
| 2022-06-30 | $491.00M 10-Q · filed 2023-08-03 | $952.00M 10-Q · filed 2023-08-03 | $1.44B derived: sum of 3 quarters · filed 2024-02-29 | $1.89B derived: sum of 4 quarters · filed 2024-02-29 | ||||
| 2022-03-31 | $461.00M 10-Q · filed 2023-05-05 | $946.00M derived: sum of 2 quarters · filed 2024-02-29 | $1.40B derived: sum of 3 quarters · filed 2024-02-29 | $1.81B derived: sum of 4 quarters · filed 2024-02-29 | ||||
| 2021-12-31 | $485.00M derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-29 | $942.00M derived: sum of 2 quarters · filed 2024-02-29 | $1.35B derived: sum of 3 quarters · filed 2024-02-29 | $1.77B 10-K · filed 2024-02-29 | ||||
| 2021-09-30 | $457.00M 10-Q · filed 2022-11-04 | $869.00M derived: sum of 2 quarters · filed 2022-11-04 | $1.29B 10-Q · filed 2022-11-04 | $1.71B derived: sum of 4 quarters · filed 2023-02-22 | ||||
| 2021-06-30 | $412.00M 10-Q · filed 2022-08-08 | $832.00M 10-Q · filed 2022-08-08 | $1.25B derived: sum of 3 quarters · filed 2023-02-22 | $1.67B derived: sum of 4 quarters · filed 2023-02-22 | ||||
| 2021-03-31 | $420.00M 10-Q · filed 2022-05-06 | $841.00M derived: sum of 2 quarters · filed 2023-02-22 | $1.26B derived: sum of 3 quarters · filed 2023-02-22 | $1.64B derived: sum of 4 quarters · filed 2023-02-22 | ||||
| 2020-12-31 | $421.00M derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-22 | $839.00M derived: sum of 2 quarters · filed 2023-02-22 | $1.22B derived: sum of 3 quarters · filed 2023-02-22 | $1.66B 10-K · filed 2023-02-22 | ||||
| 2020-09-30 | $418.00M 10-Q · filed 2021-11-04 | $802.00M derived: sum of 2 quarters · filed 2021-11-04 | $1.24B 10-Q · filed 2021-11-04 | $1.68B derived: sum of 4 quarters · filed 2022-02-23 | ||||
| 2020-06-30 | $384.00M 10-Q · filed 2021-08-06 | $822.00M 10-Q · filed 2021-08-06 | $1.27B derived: sum of 3 quarters · filed 2022-02-23 | $1.70B derived: sum of 4 quarters · filed 2022-02-23 | ||||
| 2020-03-31 | $438.00M 10-Q · filed 2021-05-10 | $882.00M derived: sum of 2 quarters · filed 2022-02-23 | $1.32B derived: sum of 3 quarters · filed 2022-02-23 | $1.77B derived: sum of 4 quarters · filed 2022-02-23 | ||||
| 2019-12-31 | $444.00M derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-23 | $878.00M derived: sum of 2 quarters · filed 2022-02-23 | $1.33B derived: sum of 3 quarters · filed 2022-02-23 | $1.75B 10-K · filed 2022-02-23 | ||||
| 2019-09-30 | $434.00M 10-Q · filed 2020-11-05 | $884.00M derived: sum of 2 quarters · filed 2020-11-05 | $1.30B 10-Q · filed 2020-11-05 | $1.77B derived: sum of 4 quarters · filed 2021-02-22 | ||||
| 2019-06-30 | $450.00M 10-Q · filed 2020-08-07 | $867.00M 10-Q · filed 2020-08-07 | $1.34B derived: sum of 3 quarters · filed 2021-02-22 | $1.77B derived: sum of 4 quarters · filed 2021-02-22 | ||||
| 2019-03-31 | $417.00M 10-Q · filed 2020-05-11 | $890.00M derived: sum of 2 quarters · filed 2021-02-22 | $1.32B derived: sum of 3 quarters · filed 2021-02-22 | $1.76B derived: sum of 4 quarters · filed 2021-02-22 | ||||
| 2018-12-31 | $473.00M derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-22 | $902.00M derived: sum of 2 quarters · filed 2021-02-22 | $1.34B derived: sum of 3 quarters · filed 2021-02-22 | $1.77B 10-K · filed 2021-02-22 | ||||
| 2018-09-30 | $429.00M 10-Q · filed 2019-11-08 | $868.00M derived: sum of 2 quarters · filed 2019-11-08 | $1.30B 10-Q · filed 2019-11-08 | $1.74B derived: sum of 4 quarters · filed 2020-02-28 | ||||
| 2018-06-30 | $439.00M 10-Q · filed 2019-08-02 | $870.00M 10-Q · filed 2019-08-02 | $1.31B derived: sum of 3 quarters · filed 2020-02-28 | $1.73B derived: sum of 4 quarters · filed 2020-02-28 | ||||
| 2018-03-31 | $431.00M 10-Q · filed 2019-05-10 | $874.00M derived: sum of 2 quarters · filed 2020-02-28 | $1.29B derived: sum of 3 quarters · filed 2020-02-28 | $1.72B derived: sum of 4 quarters · filed 2020-02-28 | ||||
| 2017-12-31 | $443.00M derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-28 | $856.00M derived: sum of 2 quarters · filed 2020-02-28 | $1.29B derived: sum of 3 quarters · filed 2020-02-28 | $1.71B 10-K · filed 2020-02-28 | $1.66B 10-K · filed 2018-02-28 | |||
| 2017-09-30 | $413.00M 10-Q · filed 2018-11-02 | $402.00M 10-Q · filed 2017-11-03 | $844.00M derived: sum of 2 quarters · filed 2018-11-02 | $1.26B 10-Q · filed 2018-11-02 | $1.23B 10-Q · filed 2017-11-03 | $1.75B derived: sum of 4 quarters · filed 2019-02-26 | ||
| 2017-06-30 | $431.00M 10-Q · filed 2018-08-08 | $422.00M 10-Q · filed 2017-08-04 | $849.00M 10-Q · filed 2018-08-08 | $827.00M 10-Q · filed 2017-08-04 | $1.34B derived: sum of 3 quarters · filed 2019-02-26 | $1.75B derived: sum of 4 quarters · filed 2019-02-26 | ||
| 2017-03-31 | $418.00M 10-Q · filed 2018-05-09 | $405.00M 10-Q · filed 2017-05-05 | $905.00M derived: sum of 2 quarters · filed 2019-02-26 | $1.32B derived: sum of 3 quarters · filed 2019-02-26 | $1.75B derived: sum of 4 quarters · filed 2019-02-26 | |||
| 2016-12-31 | $487.00M derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-26 | $898.00M derived: sum of 2 quarters · filed 2019-02-26 | $1.33B derived: sum of 3 quarters · filed 2019-02-26 | $1.73B 10-K · filed 2019-02-26 | $1.68B 10-K · filed 2017-02-28 | |||
| 2016-09-30 | $411.00M 10-Q · filed 2017-11-03 | $846.00M derived: sum of 2 quarters · filed 2017-11-03 | $1.25B 10-Q · filed 2017-11-03 | $1.68B derived: sum of 4 quarters · filed 2018-02-28 | ||||
| 2016-06-30 | $435.00M 10-Q · filed 2017-08-04 | $835.00M 10-Q · filed 2017-08-04 | $1.27B derived: sum of 3 quarters · filed 2018-02-28 | $1.70B derived: sum of 4 quarters · filed 2018-02-28 | ||||
| 2016-03-31 | $400.00M 10-Q · filed 2017-05-05 | $838.00M derived: sum of 2 quarters · filed 2018-02-28 | $1.27B derived: sum of 3 quarters · filed 2018-02-28 | $1.69B derived: sum of 4 quarters · filed 2018-02-28 | ||||
| 2015-12-31 | $438.00M derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-28 | $866.00M derived: sum of 2 quarters · filed 2018-02-28 | $1.29B derived: sum of 3 quarters · filed 2018-02-28 | $1.69B 10-K · filed 2018-02-28 | ||||
| 2015-09-30 | $428.00M 10-Q · filed 2016-11-04 | $855.00M derived: sum of 2 quarters · filed 2016-11-04 | $1.26B 10-Q · filed 2016-11-04 | $1.71B derived: sum of 4 quarters · filed 2017-02-28 | ||||
| 2015-06-30 | $427.00M 10-Q · filed 2016-08-05 | $828.00M 10-Q · filed 2016-08-05 | $1.28B derived: sum of 3 quarters · filed 2017-02-28 | $1.68B derived: sum of 4 quarters · filed 2017-02-28 | ||||
| 2015-03-31 | $401.00M 10-Q · filed 2016-05-10 | $854.00M derived: sum of 2 quarters · filed 2017-02-28 | $1.26B derived: sum of 3 quarters · filed 2017-02-28 | $1.67B derived: sum of 4 quarters · filed 2017-02-28 | ||||
| 2014-12-31 | $453.00M derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-28 | $855.00M derived: sum of 2 quarters · filed 2017-02-28 | $1.27B derived: sum of 3 quarters · filed 2017-02-28 | $1.68B 10-K · filed 2017-02-28 | $1.69B 10-K · filed 2015-03-02 | |||
| 2014-09-30 | $402.00M 10-Q · filed 2015-11-06 | $404.00M 10-Q · filed 2014-11-10 | $813.00M derived: sum of 2 quarters · filed 2015-11-06 | $1.23B 10-Q · filed 2015-11-06 | $1.24B 10-Q · filed 2014-11-10 | $1.61B derived: sum of 4 quarters · filed 2016-02-26 | ||
| 2014-06-30 | $411.00M 10-Q · filed 2015-08-06 | $412.00M 10-Q · filed 2014-08-11 | $829.00M 10-Q · filed 2015-08-06 | $832.00M 10-Q · filed 2014-08-11 | $1.21B derived: sum of 3 quarters · filed 2016-02-26 | $1.59B derived: sum of 4 quarters · filed 2016-02-26 | ||
| 2014-03-31 | $418.00M 10-Q · filed 2015-05-11 | $420.00M 10-Q · filed 2014-05-12 | $800.00M derived: sum of 2 quarters · filed 2016-02-26 | $1.18B derived: sum of 3 quarters · filed 2016-02-26 | $1.63B derived: sum of 4 quarters · filed 2016-02-26 | |||
| 2013-12-31 | $382.00M derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-26 | $765.00M derived: sum of 2 quarters · filed 2016-02-26 | $1.21B derived: sum of 3 quarters · filed 2016-02-26 | $1.61B 10-K · filed 2016-02-26 | $1.62B 10-K · filed 2014-03-03 | |||
| 2013-09-30 | $383.00M 10-Q · filed 2014-11-10 | $830.00M derived: sum of 2 quarters · filed 2014-11-10 | $1.23B 10-Q · filed 2014-11-10 | $1.61B derived: sum of 4 quarters · filed 2015-03-02 | ||||
| 2013-06-30 | $447.00M 10-Q · filed 2014-08-11 | $846.00M 10-Q · filed 2014-08-11 | $1.23B derived: sum of 3 quarters · filed 2015-03-02 | $1.59B derived: sum of 4 quarters · filed 2015-03-02 | ||||
| 2013-03-31 | $399.00M 10-Q · filed 2014-05-12 | $784.00M derived: sum of 2 quarters · filed 2015-03-02 | $1.15B derived: sum of 3 quarters · filed 2015-03-02 | $1.54B derived: sum of 4 quarters · filed 2015-03-02 | ||||
| 2012-12-31 | $385.00M derived: 10-K 12 month − 10-Q 9 month · filed 2015-03-02 | $747.00M derived: sum of 2 quarters · filed 2015-03-02 | $1.14B derived: sum of 3 quarters · filed 2015-03-02 | $1.51B 10-K · filed 2015-03-02 | $1.75B 10-K · filed 2013-03-01 | |||
| 2012-09-30 | $362.00M 10-Q · filed 2013-11-08 | $424.00M 10-Q · filed 2012-11-09 | $757.00M derived: sum of 2 quarters · filed 2013-11-08 | $1.13B 10-Q · filed 2013-11-08 | $1.32B derived: sum of 4 quarters · filed 2014-03-03 | |||
| 2012-06-30 | $395.00M 10-Q · filed 2013-08-09 | $458.00M 10-Q · filed 2012-08-08 | $764.00M 10-Q · filed 2013-08-09 | $885.00M 10-Q · filed 2012-08-08 | $958.00M derived: sum of 3 quarters · filed 2014-03-03 | $1.39B derived: sum of 4 quarters · filed 2014-03-03 | ||
| 2012-03-31 | $369.00M 10-Q · filed 2013-05-10 | $427.00M 10-Q · filed 2012-05-10 | $563.00M derived: sum of 2 quarters · filed 2014-03-03 | $995.00M derived: sum of 3 quarters · filed 2014-03-03 | $1.47B derived: sum of 4 quarters · filed 2014-03-03 | |||
| 2011-12-31 | $194.00M derived: 10-K 12 month − 10-Q 9 month · filed 2014-03-03 | $626.00M derived: sum of 2 quarters · filed 2014-03-03 | $1.10B derived: sum of 3 quarters · filed 2014-03-03 | $1.56B 10-K · filed 2014-03-03 | $1.82B 10-K · filed 2013-03-01 | |||
| 2011-09-30 | $432.00M 10-Q · filed 2012-11-09 | $905.00M derived: sum of 2 quarters · filed 2012-11-09 | $1.37B 10-Q · filed 2011-11-08 | $1.58B derived: sum of 4 quarters · filed 2013-10-17 | ||||
| 2011-06-30 | $473.00M 10-Q · filed 2012-08-08 | $475.00M 10-Q · filed 2011-08-09 | $936.00M 10-Q · filed 2012-08-08 | $938.00M 10-Q · filed 2011-08-09 | $1.15B derived: sum of 3 quarters · filed 2013-10-17 | $1.60B derived: sum of 4 quarters · filed 2013-10-17 | ||
| 2011-03-31 | $463.00M 10-Q · filed 2012-05-10 | $672.00M derived: sum of 2 quarters · filed 2013-10-17 | $1.13B derived: sum of 3 quarters · filed 2013-10-17 | $1.59B derived: sum of 4 quarters · filed 2013-10-17 | ||||
| 2010-12-31 | $209.00M derived: 8-K 12 month − 10-Q 9 month · filed 2013-10-17 | $664.00M derived: sum of 2 quarters · filed 2013-10-17 | $1.13B derived: sum of 3 quarters · filed 2013-10-17 | $1.57B 8-K · filed 2013-10-17 | $1.82B 10-K · filed 2013-03-01 | |||
| 2010-09-30 | $455.00M 10-Q · filed 2011-11-08 | $920.00M derived: sum of 2 quarters · filed 2011-11-08 | $1.36B 10-Q · filed 2011-11-08 | |||||
| 2010-06-30 | $465.00M 10-Q · filed 2011-08-09 | $902.00M 10-Q · filed 2011-08-09 | ||||||
| 2009-12-31 | $1.77B 10-K · filed 2012-02-28 |
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