SOUTHERN CO Increase (Decrease) in Fossil Fuel Inventories
SOUTHERN CO (SO) reported Increase (Decrease) in Fossil Fuel Inventories of -$68.00 million for the 12-month period ending 2025-12-31, per its 10-K filed 2026-02-19.
Financial Statements › Cash Flow › Operating Activities
us-gaap:IncreaseDecreaseInFossilFuelInventories · last filed 2026-02-19
- SOUTHERN CO increase (decrease) in fossil fuel inventories for the quarter ending 2025-12-31 was $53.00M, a 1666.67% increase year-over-year.
- SOUTHERN CO increase (decrease) in fossil fuel inventories for the quarter ending 2024-12-31 was $3.00M, a 97.37% decline year-over-year.
- SOUTHERN CO increase (decrease) in fossil fuel inventories for the quarter ending 2024-09-30 was -$135.00M.
- SOUTHERN CO increase (decrease) in fossil fuel inventories for the quarter ending 2024-06-30 was -$60.00M, a 157.14% decline year-over-year.
- SOUTHERN CO increase (decrease) in fossil fuel inventories for fiscal 2025 was -$68.00M.
- SOUTHERN CO increase (decrease) in fossil fuel inventories for fiscal 2024 was -$140.00M, a 138.04% decline from fiscal 2023.
- SOUTHERN CO increase (decrease) in fossil fuel inventories for fiscal 2023 was $368.00M, a 194.40% increase from fiscal 2022.
- SOUTHERN CO increase (decrease) in fossil fuel inventories for fiscal 2022 was $125.00M.
| Period end | Increase (Decrease) in Fossil Fuel Inventories 3 month | Increase (Decrease) in Fossil Fuel Inventories 3 month as first filed | Increase (Decrease) in Fossil Fuel Inventories 6 month | Increase (Decrease) in Fossil Fuel Inventories 6 month as first filed | Increase (Decrease) in Fossil Fuel Inventories 9 month | Increase (Decrease) in Fossil Fuel Inventories 9 month as first filed | Increase (Decrease) in Fossil Fuel Inventories 12 month | Increase (Decrease) in Fossil Fuel Inventories 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2025-12-31 | $53.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-19 | -$68.00M 10-K · filed 2026-02-19 | ||||||
| 2025-09-30 | -$121.00M 10-Q · filed 2025-10-30 | |||||||
| 2024-12-31 | $3.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-19 | -$132.00M derived: sum of 2 quarters · filed 2026-02-19 | -$192.00M derived: sum of 3 quarters · filed 2026-02-19 | -$140.00M 10-K · filed 2026-02-19 | ||||
| 2024-09-30 | -$135.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-10-30 | -$195.00M derived: sum of 2 quarters · filed 2025-10-30 | -$143.00M 10-Q · filed 2025-10-30 | -$29.00M derived: sum of 4 quarters · filed 2026-02-19 | ||||
| 2024-06-30 | -$60.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2024-08-01 | -$8.00M 10-Q · filed 2024-08-01 | $106.00M derived: sum of 3 quarters · filed 2026-02-19 | $52.00M derived: sum of 4 quarters · filed 2026-02-19 | ||||
| 2024-03-31 | $52.00M 10-Q · filed 2024-05-02 | $166.00M derived: sum of 2 quarters · filed 2026-02-19 | $112.00M derived: sum of 3 quarters · filed 2026-02-19 | $217.00M derived: sum of 4 quarters · filed 2026-02-19 | ||||
| 2023-12-31 | $114.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-19 | $60.00M derived: sum of 2 quarters · filed 2026-02-19 | $165.00M derived: sum of 3 quarters · filed 2026-02-19 | $368.00M 10-K · filed 2026-02-19 | ||||
| 2023-09-30 | -$54.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2024-10-31 | $51.00M derived: sum of 2 quarters · filed 2024-10-31 | $254.00M 10-Q · filed 2024-10-31 | $303.00M derived: sum of 4 quarters · filed 2025-02-20 | ||||
| 2023-06-30 | $105.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2024-08-01 | $308.00M 10-Q · filed 2024-08-01 | $357.00M derived: sum of 3 quarters · filed 2025-02-20 | $453.00M derived: sum of 4 quarters · filed 2025-02-20 | ||||
| 2023-03-31 | $203.00M 10-Q · filed 2024-05-02 | $252.00M derived: sum of 2 quarters · filed 2025-02-20 | $348.00M derived: sum of 3 quarters · filed 2025-02-20 | $367.00M derived: sum of 4 quarters · filed 2025-02-20 | ||||
| 2022-12-31 | $49.00M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-20 | $145.00M derived: sum of 2 quarters · filed 2025-02-20 | $164.00M derived: sum of 3 quarters · filed 2025-02-20 | $125.00M 10-K · filed 2025-02-20 | ||||
| 2022-09-30 | $96.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2023-11-02 | $115.00M derived: sum of 2 quarters · filed 2023-11-02 | $76.00M 10-Q · filed 2023-11-02 | |||||
| 2022-06-30 | $19.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2023-08-03 | -$20.00M 10-Q · filed 2023-08-03 | ||||||
| 2022-03-31 | -$39.00M 10-Q · filed 2023-04-27 | |||||||
| 2021-12-31 | -$99.00M 10-K · filed 2024-02-15 | |||||||
| 2020-12-31 | $29.00M 10-K · filed 2023-02-16 | |||||||
| 2019-12-31 | $120.00M 10-K · filed 2021-02-18 | |||||||
| 2018-12-31 | -$123.00M 10-K · filed 2021-02-18 | |||||||
| 2017-12-31 | $23.00M derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-20 | -$30.00M derived: sum of 2 quarters · filed 2020-02-20 | -$36.00M 10-K · filed 2020-02-20 | |||||
| 2017-09-30 | -$53.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2017-11-01 | -$59.00M 10-Q · filed 2017-11-01 | ||||||
| 2017-06-30 | -$6.00M 10-Q · filed 2017-08-02 | |||||||
| 2016-12-31 | $26.00M derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-20 | -$108.00M derived: sum of 2 quarters · filed 2019-02-20 | -$147.00M derived: sum of 3 quarters · filed 2019-02-20 | -$178.00M 10-K · filed 2019-02-20 | ||||
| 2016-09-30 | -$134.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2017-11-01 | -$173.00M derived: sum of 2 quarters · filed 2017-11-01 | -$204.00M 10-Q · filed 2017-11-01 | -$26.00M derived: sum of 4 quarters · filed 2018-02-21 | ||||
| 2016-06-30 | -$39.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2017-08-02 | -$70.00M 10-Q · filed 2017-08-02 | $108.00M derived: sum of 3 quarters · filed 2018-02-21 | $5.00M derived: sum of 4 quarters · filed 2018-02-21 | ||||
| 2016-03-31 | -$31.00M 10-Q · filed 2016-05-05 | $147.00M derived: sum of 2 quarters · filed 2018-02-21 | $44.00M derived: sum of 3 quarters · filed 2018-02-21 | -$16.00M derived: sum of 4 quarters · filed 2018-02-21 | ||||
| 2015-12-31 | $178.00M derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-21 | $75.00M derived: sum of 2 quarters · filed 2018-02-21 | $15.00M derived: sum of 3 quarters · filed 2018-02-21 | -$61.00M 10-K · filed 2018-02-21 | ||||
| 2015-09-30 | -$103.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2016-11-04 | -$163.00M derived: sum of 2 quarters · filed 2016-11-04 | -$239.00M 10-Q · filed 2016-11-04 | |||||
| 2015-06-30 | -$60.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2016-08-08 | -$136.00M 10-Q · filed 2016-08-08 | ||||||
| 2015-03-31 | -$76.00M 10-Q · filed 2016-05-05 | |||||||
| 2014-12-31 | -$408.00M 10-K · filed 2017-02-22 | |||||||
| 2014-03-31 | -$441.00M 10-Q · filed 2014-05-08 | |||||||
| 2013-12-31 | -$481.00M 10-K · filed 2016-02-26 | |||||||
| 2013-09-30 | -$471.00M 10-Q · filed 2013-11-06 | |||||||
| 2013-06-30 | -$185.00M 10-Q · filed 2013-08-06 | |||||||
| 2013-03-31 | -$36.00M 10-Q · filed 2014-05-08 | $184.00M derived: sum of 2 quarters · filed 2015-03-02 | $111.00M derived: sum of 3 quarters · filed 2015-03-02 | $198.00M derived: sum of 4 quarters · filed 2015-03-02 | ||||
| 2012-12-31 | $220.00M derived: 10-K 12 month − 10-Q 9 month · filed 2015-03-02 | $147.00M derived: sum of 2 quarters · filed 2015-03-02 | $234.00M derived: sum of 3 quarters · filed 2015-03-02 | $452.00M 10-K · filed 2015-03-02 | ||||
| 2012-09-30 | -$73.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2012-11-07 | $14.00M derived: sum of 2 quarters · filed 2012-11-07 | $232.00M 10-Q · filed 2012-11-07 | $523.00M derived: sum of 4 quarters · filed 2014-02-27 | ||||
| 2012-06-30 | $87.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2012-08-06 | $305.00M 10-Q · filed 2012-08-06 | $596.00M derived: sum of 3 quarters · filed 2014-02-27 | $448.00M derived: sum of 4 quarters · filed 2014-02-27 | ||||
| 2012-03-31 | $218.00M 10-Q · filed 2013-05-10 | $509.00M derived: sum of 2 quarters · filed 2014-02-27 | $361.00M derived: sum of 3 quarters · filed 2014-02-27 | $238.00M derived: sum of 4 quarters · filed 2014-02-27 | ||||
| 2011-12-31 | $291.00M derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-27 | $143.00M derived: sum of 2 quarters · filed 2014-02-27 | $20.00M derived: sum of 3 quarters · filed 2014-02-27 | $62.00M 10-K · filed 2014-02-27 | ||||
| 2011-09-30 | -$148.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2012-11-07 | -$271.00M derived: sum of 2 quarters · filed 2012-11-07 | -$229.00M 10-Q · filed 2012-11-07 | -$144.00M derived: sum of 4 quarters · filed 2013-02-28 | ||||
| 2011-06-30 | -$123.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2012-08-06 | -$81.00M 10-Q · filed 2012-08-06 | $4.00M derived: sum of 3 quarters · filed 2013-02-28 | -$144.00M derived: sum of 4 quarters · filed 2013-02-28 | ||||
| 2011-03-31 | $42.00M 10-Q · filed 2012-05-07 | $127.00M derived: sum of 2 quarters · filed 2013-02-28 | -$21.00M derived: sum of 3 quarters · filed 2013-02-28 | $40.00M derived: sum of 4 quarters · filed 2013-02-28 | ||||
| 2010-12-31 | $85.00M derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-28 | -$63.00M derived: sum of 2 quarters · filed 2013-02-28 | -$2.00M derived: sum of 3 quarters · filed 2013-02-28 | -$135.00M 10-K · filed 2013-02-28 | ||||
| 2010-09-30 | -$148.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2011-11-07 | -$87.00M derived: sum of 2 quarters · filed 2011-11-07 | -$220.00M 10-Q · filed 2011-11-07 | -$220.02M 10-Q · filed 2010-11-05 | -$149.52M derived: sum of 4 quarters · filed 2012-02-24 | |||
| 2010-06-30 | $61.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2011-08-05 | -$72.00M 10-Q · filed 2011-08-05 | -$72.22M 10-Q · filed 2010-08-06 | -$1.52M derived: sum of 3 quarters · filed 2012-02-24 | -$15.89M derived: sum of 4 quarters · filed 2012-02-24 | |||
| 2010-03-31 | -$133.00M 10-Q · filed 2011-05-06 | $133.28M 10-Q · filed 2010-05-07 | -$62.52M derived: sum of 2 quarters · filed 2012-02-24 | -$76.89M derived: sum of 3 quarters · filed 2012-02-24 | $459.99M derived: sum of 4 quarters · filed 2012-02-24 | |||
| 2009-12-31 | $70.48M derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-24 | $56.11M derived: sum of 2 quarters · filed 2012-02-24 | $592.99M derived: sum of 3 quarters · filed 2012-02-24 | $432.00M 10-K · filed 2012-02-24 | -$432.00M 10-K · filed 2010-02-25 | |||
| 2009-09-30 | -$14.37M derived: 10-Q 9 month − 10-Q 6 month · filed 2010-11-05 | $522.51M derived: sum of 2 quarters · filed 2010-11-05 | $361.52M 10-Q · filed 2010-11-05 | -$361.52M 10-Q · filed 2009-11-06 | $776.85M derived: sum of 4 quarters · filed 2011-02-25 | |||
| 2009-06-30 | $536.88M derived: 10-Q 6 month − 10-Q 3 month · filed 2010-08-06 | $375.89M 10-Q · filed 2010-08-06 | -$375.89M 10-Q/A · filed 2009-08-27 | $791.22M derived: sum of 3 quarters · filed 2011-02-25 | $800.71M derived: sum of 4 quarters · filed 2011-02-25 | |||
| 2009-03-31 | -$160.99M 10-Q · filed 2010-05-07 | $254.34M derived: sum of 2 quarters · filed 2011-02-25 | $263.83M derived: sum of 3 quarters · filed 2011-02-25 | |||||
| 2008-12-31 | $415.33M derived: 10-K 12 month − 10-Q 9 month · filed 2011-02-25 | $424.82M derived: sum of 2 quarters · filed 2011-02-25 | $303.00M 10-K · filed 2011-02-25 | -$303.00M 10-K · filed 2010-02-25 | ||||
| 2008-09-30 | $9.49M derived: 10-Q 9 month − 10-Q/A 6 month · filed 2009-11-06 | -$112.33M 10-Q · filed 2009-11-06 | ||||||
| 2008-06-30 | -$121.82M 10-Q/A · filed 2009-08-27 | |||||||
| 2007-12-31 | -$39.00M 10-K · filed 2010-02-25 |
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