| SOUTHERN CO |
| Q4-CY2025 | Q3-CY2025 | Q2-CY2025 | Q1-CY2025 | Q4-CY2024 | Q3-CY2024 | Q2-CY2024 | Q1-CY2024 | Q4-CY2023 | Q3-CY2023 | Q2-CY2023 | Q1-CY2023 | Q4-CY2022 | Q3-CY2022 | Q2-CY2022 | Q1-CY2022 | Q4-CY2021 | Q3-CY2021 | Q2-CY2021 | Q1-CY2021 | Q4-CY2020 | Q3-CY2020 | Q2-CY2020 | Q1-CY2020 | Q4-CY2019 | Q3-CY2019 | Q2-CY2019 | Q1-CY2019 | Q4-CY2018 | Q3-CY2018 | Q2-CY2018 | Q1-CY2018 | Q4-CY2017 | Q3-CY2017 | Q2-CY2017 | Q1-CY2017 | Q4-CY2016 | Q3-CY2016 | Q2-CY2016 | Q1-CY2016 | Q4-CY2015 | Q3-CY2015 | Q2-CY2015 | Q1-CY2015 | Q4-CY2014 | Q3-CY2014 | Q2-CY2014 | Q1-CY2014 | Q4-CY2013 |
| Balance Sheet Date | | | 2025-Jun-30 | 2025-Mar-31 | 2024-Dec-31 | 2024-Sep-30 | 2024-Jun-30 | 2024-Mar-31 | 2023-Dec-31 | 2023-Sep-30 | 2023-Jun-30 | 2023-Mar-31 | 2022-Dec-31 | 2022-Sep-30 | 2022-Jun-30 | 2022-Mar-31 | 2021-Dec-31 | 2021-Sep-30 | 2021-Jun-30 | 2021-Mar-31 | 2020-Dec-31 | 2020-Sep-30 | 2020-Jun-30 | 2020-Mar-31 | 2019-Dec-31 | 2019-Sep-30 | 2019-Jun-30 | 2019-Mar-31 | 2018-Dec-31 | 2018-Sep-30 | 2018-Jun-30 | 2018-Mar-31 | 2017-Dec-31 | 2017-Sep-30 | 2017-Jun-30 | | | 2016-Sep-30 | 2016-Jun-30 | | 2015-Dec-31 | 2015-Sep-30 | 2015-Jun-30 | 2015-Mar-31 | 2014-Dec-31 | 2014-Sep-30 | 2014-Jun-30 | 2014-Mar-31 | 2013-Dec-31 |
| Fiscal Period | | | Q2-FY2025 | Q1-FY2025 | Q4-FY2024 | Q3-FY2024 | Q2-FY2024 | Q1-FY2024 | Q4-FY2023 | Q3-FY2023 | Q2-FY2023 | Q1-FY2023 | Q4-FY2022 | Q3-FY2022 | Q2-FY2022 | Q1-FY2022 | Q4-FY2021 | Q3-FY2021 | Q2-FY2021 | Q1-FY2021 | Q4-FY2020 | Q3-FY2020 | Q2-FY2020 | Q1-FY2020 | Q4-FY2019 | Q3-FY2019 | Q2-FY2019 | Q1-FY2019 | Q4-FY2018 | Q3-FY2018 | Q2-FY2018 | Q1-FY2018 | Q4-FY2017 | Q3-FY2017 | Q2-FY2017 | | | Q3-FY2016 | Q2-FY2016 | | Q4-FY2015 | Q3-FY2015 | Q2-FY2015 | Q1-FY2015 | Q4-FY2014 | Q3-FY2014 | Q2-FY2014 | Q1-FY2014 | Q4-FY2013 |
| Operating Cash Flow | | | 2,181,000,000$ | 1,250,000,000$ | 2,173,000,000$ | 3,616,000,000$ | 2,688,000,000$ | 1,311,000,000$ | 1,813,000,000$ | 2,840,000,000$ | 2,056,000,000$ | 844,000,000$ | 1,285,000,000$ | 1,438,000,000$ | 1,987,000,000$ | 1,592,000,000$ | 1,088,000,000$ | 2,177,000,000$ | 1,662,000,000$ | 1,242,000,000$ | 1,476,000,000$ | 2,373,000,000$ | 1,953,000,000$ | 894,000,000$ | 900,000,000$ | 2,368,000,000$ | 1,769,000,000$ | 744,000,000$ | 1,361,000,000$ | 2,326,000,000$ | 1,749,000,000$ | 1,509,000,000$ | 1,143,000,000$ | 2,510,000,000$ | 1,845,000,000$ | 896,000,000$ | 598,000,000$ | 2,156,000,000$ | | | 1,186,000,000$ | 2,981,000,000$ | | | | | | 1,103,000,000$ | 1,686,000,000$ |
| Investing Cash Flow | | | (2,900,000,000$) | (2,834,000,000$) | (2,722,000,000$) | (2,456,000,000$) | (1,837,000,000$) | (2,385,000,000$) | (2,947,000,000$) | (2,433,000,000$) | (2,170,000,000$) | (2,118,000,000$) | (2,478,000,000$) | (2,492,000,000$) | (1,905,000,000$) | (1,555,000,000$) | (1,503,000,000$) | (1,824,000,000$) | (1,783,000,000$) | (2,243,000,000$) | (2,138,000,000$) | (2,237,000,000$) | (1,766,000,000$) | (889,000,000$) | (2,319,000,000$) | (2,075,000,000$) | (1,452,000,000$) | 2,454,000,000$ | (2,260,000,000$) | 124,000,000$ | (1,629,000,000$) | (1,995,000,000$) | (505,000,000$) | (1,802,000,000$) | (2,086,000,000$) | (2,797,000,000$) | (3,407,000,000$) | (3,965,000,000$) | | | (2,400,000,000$) | (2,114,000,000$) | | | | | | (1,215,000,000$) | (1,640,000,000$) |
| Financing Cash Flow | | | (348,000,000$) | 2,815,000,000$ | 595,000,000$ | (1,316,000,000$) | (472,000,000$) | 985,000,000$ | 165,000,000$ | (761,000,000$) | 1,141,000,000$ | 454,000,000$ | 1,217,000,000$ | 1,332,000,000$ | (20,000,000$) | (193,000,000$) | 143,000,000$ | 131,000,000$ | (63,000,000$) | 1,734,000,000$ | (1,653,000,000$) | 1,362,000,000$ | (470,000,000$) | 185,000,000$ | 462,000,000$ | 1,256,000,000$ | (295,000,000$) | (3,353,000,000$) | 527,000,000$ | (2,576,000,000$) | (393,000,000$) | 629,000,000$ | (349,000,000$) | (305,000,000$) | | 1,025,000,000$ | 2,116,000,000$ | 2,581,000,000$ | | | 1,509,000,000$ | (571,000,000$) | | | | | | 43,000,000$ | (69,000,000$) |
| End Cash Position | | | 1,264,000,000$ | 2,327,000,000$ | 1,070,000,000$ | 1,018,000,000$ | 1,152,000,000$ | 713,000,000$ | 748,000,000$ | 1,676,000,000$ | 2,123,000,000$ | 1,053,000,000$ | 1,917,000,000$ | 2,009,000,000$ | 1,724,000,000$ | 1,662,000,000$ | 1,798,000,000$ | 2,078,000,000$ | 1,582,000,000$ | 1,770,000,000$ | 1,065,000,000$ | 3,379,000,000$ | 1,879,000,000$ | 2,164,000,000$ | 1,975,000,000$ | 2,931,000,000$ | 1,383,000,000$ | 1,361,000,000$ | 1,396,000,000$ | 1,847,000,000$ | 1,980,000,000$ | 2,284,000,000$ | 2,130,000,000$ | 1,841,000,000$ | 1,433,000,000$ | 1,116,000,000$ | 1,975,000,000$ | 2,669,000,000$ | 1,897,000,000$ | | 1,404,000,000$ | 1,109,000,000$ | 813,000,000$ | | 710,000,000$ | | | 590,000,000$ | 659,000,000$ |
| Exchange Rate Effect | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Dividends Paid | | | 758,000,000$ | 736,000,000$ | 734,000,000$ | 733,000,000$ | 754,000,000$ | 733,000,000$ | 764,000,000$ | 765,000,000$ | 764,000,000$ | 742,000,000$ | 741,000,000$ | 741,000,000$ | 723,000,000$ | 702,000,000$ | 700,000,000$ | 700,000,000$ | 699,000,000$ | 678,000,000$ | 677,000,000$ | 676,000,000$ | 677,000,000$ | 655,000,000$ | 651,000,000$ | 650,000,000$ | 646,000,000$ | 623,000,000$ | 620,000,000$ | 611,000,000$ | 608,000,000$ | 586,000,000$ | 584,000,000$ | 582,000,000$ | | 556,000,000$ | 551,000,000$ | 530,000,000$ | | | 494,000,000$ | 493,000,000$ | | | | | | 468,000,000$ | 465,000,000$ |