ALLIANT ENERGY CORP Interest Expense
ALLIANT ENERGY CORP (LNT) reported Interest Expense of $142.00 million for the 3-month period ending 2026-03-31, per its 10-Q filed 2026-05-01.
Financial Statements › Expense Statement › Interest Expense
us-gaap:InterestExpense · last filed 2026-05-01
- ALLIANT ENERGY CORP interest expense for the quarter ending 2026-03-31 was $142.00M, a 19.33% increase year-over-year.
- ALLIANT ENERGY CORP interest expense for the quarter ending 2025-12-31 was $140.00M, a 16.67% increase year-over-year.
- ALLIANT ENERGY CORP interest expense for the quarter ending 2025-09-30 was $128.00M, a 12.28% increase year-over-year.
- ALLIANT ENERGY CORP interest expense for the quarter ending 2025-06-30 was $124.00M, a 14.81% increase year-over-year.
- ALLIANT ENERGY CORP interest expense for fiscal 2025 was $512.00M, a 14.03% increase from fiscal 2024.
- ALLIANT ENERGY CORP interest expense for fiscal 2024 was $449.00M, a 13.96% increase from fiscal 2023.
- ALLIANT ENERGY CORP interest expense for fiscal 2023 was $394.00M, a 21.23% increase from fiscal 2022.
- ALLIANT ENERGY CORP interest expense for fiscal 2022 was $325.00M, a 17.33% increase from fiscal 2021.
| Period end | Interest Expense 3 month | Interest Expense 3 month as first filed | Interest Expense 6 month | Interest Expense 6 month as first filed | Interest Expense 9 month | Interest Expense 9 month as first filed | Interest Expense 12 month | Interest Expense 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-03-31 | $142.00M 10-Q · filed 2026-05-01 | $282.00M derived: sum of 2 quarters · filed 2026-05-01 | $410.00M derived: sum of 3 quarters · filed 2026-05-01 | $534.00M derived: sum of 4 quarters · filed 2026-05-01 | ||||
| 2025-12-31 | $140.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-20 | $268.00M derived: sum of 2 quarters · filed 2026-02-20 | $392.00M derived: sum of 3 quarters · filed 2026-02-20 | $512.00M 10-K · filed 2026-02-20 | ||||
| 2025-09-30 | $128.00M 10-Q · filed 2025-11-07 | $252.00M derived: sum of 2 quarters · filed 2025-11-07 | $372.00M 10-Q · filed 2025-11-07 | $491.00M derived: sum of 4 quarters · filed 2026-05-01 | ||||
| 2025-06-30 | $124.00M 10-Q · filed 2025-08-08 | $243.00M 10-Q · filed 2025-08-08 | $363.00M derived: sum of 3 quarters · filed 2026-05-01 | $477.00M derived: sum of 4 quarters · filed 2026-05-01 | ||||
| 2025-03-31 | $119.00M 10-Q · filed 2026-05-01 | $239.00M derived: sum of 2 quarters · filed 2026-05-01 | $353.00M derived: sum of 3 quarters · filed 2026-05-01 | $461.00M derived: sum of 4 quarters · filed 2026-05-01 | ||||
| 2024-12-31 | $120.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-20 | $234.00M derived: sum of 2 quarters · filed 2026-02-20 | $342.00M derived: sum of 3 quarters · filed 2026-02-20 | $449.00M 10-K · filed 2026-02-20 | ||||
| 2024-09-30 | $114.00M 10-Q · filed 2025-11-07 | $222.00M derived: sum of 2 quarters · filed 2025-11-07 | $329.00M 10-Q · filed 2025-11-07 | $434.00M derived: sum of 4 quarters · filed 2026-02-20 | ||||
| 2024-06-30 | $108.00M 10-Q · filed 2025-08-08 | $215.00M 10-Q · filed 2025-08-08 | $320.00M derived: sum of 3 quarters · filed 2026-02-20 | $419.00M derived: sum of 4 quarters · filed 2026-02-20 | ||||
| 2024-03-31 | $107.00M 10-Q · filed 2025-05-09 | $212.00M derived: sum of 2 quarters · filed 2026-02-20 | $311.00M derived: sum of 3 quarters · filed 2026-02-20 | $407.00M derived: sum of 4 quarters · filed 2026-02-20 | ||||
| 2023-12-31 | $105.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-20 | $204.00M derived: sum of 2 quarters · filed 2026-02-20 | $300.00M derived: sum of 3 quarters · filed 2026-02-20 | $394.00M 10-K · filed 2026-02-20 | ||||
| 2023-09-30 | $99.00M 10-Q · filed 2023-11-03 | $195.00M derived: sum of 2 quarters · filed 2024-08-02 | $289.00M 10-Q · filed 2023-11-03 | $379.00M derived: sum of 4 quarters · filed 2025-02-21 | ||||
| 2023-06-30 | $96.00M 10-Q · filed 2024-08-02 | $190.00M 10-Q · filed 2024-08-02 | $280.00M derived: sum of 3 quarters · filed 2025-02-21 | $363.00M derived: sum of 4 quarters · filed 2025-02-21 | ||||
| 2023-03-31 | $94.00M 10-Q · filed 2024-05-03 | $184.00M derived: sum of 2 quarters · filed 2025-02-21 | $267.00M derived: sum of 3 quarters · filed 2025-02-21 | $345.00M derived: sum of 4 quarters · filed 2025-02-21 | ||||
| 2022-12-31 | $90.00M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-21 | $173.00M derived: sum of 2 quarters · filed 2025-02-21 | $251.00M derived: sum of 3 quarters · filed 2025-02-21 | $325.00M 10-K · filed 2025-02-21 | ||||
| 2022-09-30 | $83.00M 10-Q · filed 2023-11-03 | $161.00M derived: sum of 2 quarters · filed 2023-11-03 | $235.00M 10-Q · filed 2023-11-03 | $306.00M derived: sum of 4 quarters · filed 2024-02-16 | ||||
| 2022-06-30 | $78.00M 10-Q · filed 2023-08-04 | $152.00M 10-Q · filed 2023-08-04 | $223.00M derived: sum of 3 quarters · filed 2024-02-16 | $291.00M derived: sum of 4 quarters · filed 2024-02-16 | ||||
| 2022-03-31 | $74.00M 10-Q · filed 2023-05-05 | $145.00M derived: sum of 2 quarters · filed 2024-02-16 | $213.00M derived: sum of 3 quarters · filed 2024-02-16 | $282.00M derived: sum of 4 quarters · filed 2024-02-16 | ||||
| 2021-12-31 | $71.00M derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-16 | $139.00M derived: sum of 2 quarters · filed 2024-02-16 | $208.00M derived: sum of 3 quarters · filed 2024-02-16 | $277.00M 10-K · filed 2024-02-16 | ||||
| 2021-09-30 | $68.00M 10-Q · filed 2022-11-08 | $137.00M derived: sum of 2 quarters · filed 2022-11-08 | $206.00M 10-Q · filed 2022-11-08 | $274.00M derived: sum of 4 quarters · filed 2023-02-24 | ||||
| 2021-06-30 | $69.00M 10-Q · filed 2022-08-05 | $138.00M 10-Q · filed 2022-08-05 | $206.00M derived: sum of 3 quarters · filed 2023-02-24 | $274.00M derived: sum of 4 quarters · filed 2023-02-24 | ||||
| 2021-03-31 | $69.00M 10-Q · filed 2022-04-29 | $137.00M derived: sum of 2 quarters · filed 2023-02-24 | $205.00M derived: sum of 3 quarters · filed 2023-02-24 | $275.00M derived: sum of 4 quarters · filed 2023-02-24 | ||||
| 2020-12-31 | $68.00M derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-24 | $136.00M derived: sum of 2 quarters · filed 2023-02-24 | $206.00M derived: sum of 3 quarters · filed 2023-02-24 | $275.00M 10-K · filed 2023-02-24 | ||||
| 2020-09-30 | $68.00M 10-Q · filed 2021-11-05 | $138.00M derived: sum of 2 quarters · filed 2021-11-05 | $207.00M 10-Q · filed 2021-11-05 | $276.00M derived: sum of 4 quarters · filed 2022-02-18 | ||||
| 2020-06-30 | $70.00M 10-Q · filed 2021-08-06 | $69.60M 10-Q · filed 2020-08-10 | $139.00M 10-Q · filed 2021-08-06 | $138.50M 10-Q · filed 2020-08-10 | $208.00M derived: sum of 3 quarters · filed 2022-02-18 | $276.00M derived: sum of 4 quarters · filed 2022-02-18 | ||
| 2020-03-31 | $69.00M 10-Q · filed 2021-05-07 | $68.90M 10-Q · filed 2020-05-08 | $138.00M derived: sum of 2 quarters · filed 2022-02-18 | $206.00M derived: sum of 3 quarters · filed 2022-02-18 | $275.20M derived: sum of 4 quarters · filed 2022-02-18 | |||
| 2019-12-31 | $69.00M derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-18 | $137.00M derived: sum of 2 quarters · filed 2022-02-18 | $206.20M derived: sum of 3 quarters · filed 2022-02-18 | $273.00M 10-K · filed 2022-02-18 | $272.90M 10-K · filed 2020-02-21 | |||
| 2019-09-30 | $68.00M 10-Q · filed 2020-11-03 | $68.30M 10-Q · filed 2019-11-07 | $137.20M derived: sum of 2 quarters · filed 2020-11-03 | $204.00M 10-Q · filed 2020-11-03 | $203.80M 10-Q · filed 2019-11-07 | $266.70M derived: sum of 4 quarters · filed 2021-02-19 | ||
| 2019-06-30 | $69.20M 10-Q · filed 2020-08-10 | $135.50M 10-Q · filed 2020-08-10 | $198.70M derived: sum of 3 quarters · filed 2021-02-19 | $262.00M derived: sum of 4 quarters · filed 2021-02-19 | ||||
| 2019-03-31 | $66.30M 10-Q · filed 2020-05-08 | $129.50M derived: sum of 2 quarters · filed 2021-02-19 | $192.80M derived: sum of 3 quarters · filed 2021-02-19 | $254.10M derived: sum of 4 quarters · filed 2021-02-19 | ||||
| 2018-12-31 | $63.20M derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-19 | $126.50M derived: sum of 2 quarters · filed 2021-02-19 | $187.80M derived: sum of 3 quarters · filed 2021-02-19 | $247.00M 10-K · filed 2021-02-19 | ||||
| 2018-09-30 | $63.30M 10-Q · filed 2019-11-07 | $124.60M derived: sum of 2 quarters · filed 2019-11-07 | $183.80M 10-Q · filed 2019-11-07 | $240.40M derived: sum of 4 quarters · filed 2020-02-21 | ||||
| 2018-06-30 | $61.30M 10-Q · filed 2019-08-02 | $120.50M 10-Q · filed 2019-08-02 | $177.10M derived: sum of 3 quarters · filed 2020-02-21 | $231.00M derived: sum of 4 quarters · filed 2020-02-21 | ||||
| 2018-03-31 | $59.20M 10-Q · filed 2019-05-03 | $115.80M derived: sum of 2 quarters · filed 2020-02-21 | $169.70M derived: sum of 3 quarters · filed 2020-02-21 | $222.50M derived: sum of 4 quarters · filed 2020-02-21 | ||||
| 2017-12-31 | $56.60M derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-21 | $110.50M derived: sum of 2 quarters · filed 2020-02-21 | $163.30M derived: sum of 3 quarters · filed 2020-02-21 | $215.60M 10-K · filed 2020-02-21 | ||||
| 2017-09-30 | $53.90M 10-Q · filed 2018-11-07 | $106.70M derived: sum of 2 quarters · filed 2018-11-07 | $159.00M 10-Q · filed 2018-11-07 | $210.40M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2017-06-30 | $52.80M 10-Q · filed 2018-08-03 | $105.10M 10-Q · filed 2018-08-03 | $156.50M derived: sum of 3 quarters · filed 2019-02-22 | $205.30M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2017-03-31 | $52.30M 10-Q · filed 2018-05-03 | $103.70M derived: sum of 2 quarters · filed 2019-02-22 | $152.50M derived: sum of 3 quarters · filed 2019-02-22 | $200.50M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2016-12-31 | $51.40M derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-22 | $100.20M derived: sum of 2 quarters · filed 2019-02-22 | $148.20M derived: sum of 3 quarters · filed 2019-02-22 | $196.20M 10-K · filed 2019-02-22 | ||||
| 2016-09-30 | $48.80M 10-Q · filed 2017-11-03 | $96.80M derived: sum of 2 quarters · filed 2017-11-03 | $144.80M 10-Q · filed 2017-11-03 | $192.40M derived: sum of 4 quarters · filed 2018-02-23 | ||||
| 2016-06-30 | $48.00M 10-Q · filed 2017-08-04 | $96.00M 10-Q · filed 2017-08-04 | $143.60M derived: sum of 3 quarters · filed 2018-02-23 | $190.00M derived: sum of 4 quarters · filed 2018-02-23 | ||||
| 2016-03-31 | $48.00M 10-Q · filed 2017-05-04 | $95.60M derived: sum of 2 quarters · filed 2018-02-23 | $142.00M derived: sum of 3 quarters · filed 2018-02-23 | $188.50M derived: sum of 4 quarters · filed 2018-02-23 | ||||
| 2015-12-31 | $47.60M derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-23 | $94.00M derived: sum of 2 quarters · filed 2018-02-23 | $140.50M derived: sum of 3 quarters · filed 2018-02-23 | $187.10M 10-K · filed 2018-02-23 | ||||
| 2015-09-30 | $46.40M 10-Q · filed 2016-11-04 | $92.90M derived: sum of 2 quarters · filed 2016-11-04 | $139.50M 10-Q · filed 2016-11-04 | $185.20M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-06-30 | $46.50M 10-Q · filed 2016-08-02 | $93.10M 10-Q · filed 2016-08-02 | $138.80M derived: sum of 3 quarters · filed 2017-02-24 | $183.40M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-03-31 | $46.60M 10-Q · filed 2016-05-05 | $92.30M derived: sum of 2 quarters · filed 2017-02-24 | $136.90M derived: sum of 3 quarters · filed 2017-02-24 | $182.00M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2014-12-31 | $45.70M derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-24 | $90.30M derived: sum of 2 quarters · filed 2017-02-24 | $135.40M derived: sum of 3 quarters · filed 2017-02-24 | $180.60M 10-K · filed 2017-02-24 | ||||
| 2014-09-30 | $44.60M 10-Q · filed 2015-11-06 | $89.70M derived: sum of 2 quarters · filed 2015-11-06 | $134.90M 10-Q · filed 2015-11-06 | $180.10M derived: sum of 4 quarters · filed 2016-02-24 | ||||
| 2014-06-30 | $45.10M 10-Q · filed 2015-08-06 | $90.30M 10-Q · filed 2015-08-06 | $135.50M derived: sum of 3 quarters · filed 2016-02-24 | $178.00M derived: sum of 4 quarters · filed 2016-02-24 | ||||
| 2014-03-31 | $45.20M 10-Q · filed 2015-05-01 | $90.40M derived: sum of 2 quarters · filed 2016-02-24 | $132.90M derived: sum of 3 quarters · filed 2016-02-24 | $175.40M derived: sum of 4 quarters · filed 2016-02-24 | ||||
| 2013-12-31 | $45.20M derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-24 | $87.70M derived: sum of 2 quarters · filed 2016-02-24 | $130.20M derived: sum of 3 quarters · filed 2016-02-24 | $172.80M 10-K · filed 2016-02-24 | ||||
| 2013-09-30 | $42.50M 10-Q · filed 2014-11-07 | $85.00M derived: sum of 2 quarters · filed 2014-11-07 | $127.60M 10-Q · filed 2014-11-07 | $168.50M derived: sum of 4 quarters · filed 2015-02-25 | ||||
| 2013-06-30 | $42.50M 10-Q · filed 2014-08-07 | $85.10M 10-Q · filed 2014-08-07 | $126.00M derived: sum of 3 quarters · filed 2015-02-25 | $164.30M derived: sum of 4 quarters · filed 2015-02-25 | ||||
| 2013-03-31 | $42.60M 10-Q · filed 2014-05-02 | $83.50M derived: sum of 2 quarters · filed 2015-02-25 | $121.80M derived: sum of 3 quarters · filed 2015-02-25 | $160.40M derived: sum of 4 quarters · filed 2015-02-25 | ||||
| 2012-12-31 | $40.90M derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-25 | $79.20M derived: sum of 2 quarters · filed 2015-02-25 | $117.80M derived: sum of 3 quarters · filed 2015-02-25 | $156.70M 10-K · filed 2015-02-25 | ||||
| 2012-09-30 | $38.30M 10-Q · filed 2013-11-07 | $76.90M derived: sum of 2 quarters · filed 2013-11-07 | $115.80M 10-Q · filed 2013-11-07 | $154.40M derived: sum of 4 quarters · filed 2014-02-25 | ||||
| 2012-06-30 | $38.60M 10-Q · filed 2013-08-02 | $77.50M 10-Q · filed 2013-08-02 | $116.10M derived: sum of 3 quarters · filed 2014-02-25 | $154.90M derived: sum of 4 quarters · filed 2014-02-25 | ||||
| 2012-03-31 | $38.90M 10-Q · filed 2013-05-03 | $77.50M derived: sum of 2 quarters · filed 2014-02-25 | $116.30M derived: sum of 3 quarters · filed 2014-02-25 | $156.70M derived: sum of 4 quarters · filed 2014-02-25 | ||||
| 2011-12-31 | $38.60M derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-25 | $77.40M derived: sum of 2 quarters · filed 2014-02-25 | $117.80M derived: sum of 3 quarters · filed 2014-02-25 | $158.30M 10-K · filed 2014-02-25 | ||||
| 2011-09-30 | $38.80M 10-Q · filed 2012-11-09 | $38.70M 10-Q · filed 2011-11-03 | $79.20M derived: sum of 2 quarters · filed 2012-11-09 | $119.70M 10-Q · filed 2012-11-09 | $160.30M derived: sum of 4 quarters · filed 2013-02-26 | |||
| 2011-06-30 | $40.40M 10-Q · filed 2012-08-03 | $80.90M 10-Q · filed 2012-08-03 | $81.00M 10-Q · filed 2011-08-05 | $121.50M derived: sum of 3 quarters · filed 2013-02-26 | $163.40M derived: sum of 4 quarters · filed 2013-02-26 | |||
| 2011-03-31 | $40.50M 10-Q · filed 2012-05-04 | $40.60M 10-Q · filed 2011-05-05 | $81.10M derived: sum of 2 quarters · filed 2013-02-26 | $123.00M derived: sum of 3 quarters · filed 2013-02-26 | $162.60M derived: sum of 4 quarters · filed 2013-02-26 | |||
| 2010-12-31 | $40.60M derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-26 | $82.50M derived: sum of 2 quarters · filed 2013-02-26 | $122.10M derived: sum of 3 quarters · filed 2013-02-26 | $162.80M 10-K · filed 2013-02-26 | $163.00M 10-K · filed 2011-02-28 | |||
| 2010-09-30 | $41.90M 10-Q · filed 2011-11-03 | $81.50M derived: sum of 2 quarters · filed 2011-11-03 | $122.20M 10-Q · filed 2011-11-03 | $163.30M derived: sum of 4 quarters · filed 2012-02-27 | ||||
| 2010-06-30 | $39.60M 10-Q · filed 2011-08-05 | $80.30M 10-Q · filed 2011-08-05 | $121.40M derived: sum of 3 quarters · filed 2012-02-27 | $163.80M derived: sum of 4 quarters · filed 2012-02-27 | ||||
| 2010-03-31 | $40.70M 10-Q · filed 2011-05-05 | $81.80M derived: sum of 2 quarters · filed 2012-02-27 | $124.20M derived: sum of 3 quarters · filed 2012-02-27 | $159.90M derived: sum of 4 quarters · filed 2012-02-27 | ||||
| 2009-12-31 | $41.10M derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-27 | $83.50M derived: sum of 2 quarters · filed 2012-02-27 | $119.20M derived: sum of 3 quarters · filed 2012-02-27 | $154.90M 10-K · filed 2012-02-27 | ||||
| 2009-09-30 | $42.40M 10-Q · filed 2010-10-29 | $78.10M derived: sum of 2 quarters · filed 2010-10-29 | $113.80M 10-Q · filed 2010-10-29 | |||||
| 2009-06-30 | $35.70M 10-Q · filed 2010-08-05 | $71.40M 10-Q · filed 2010-08-05 | ||||||
| 2008-12-31 | $125.80M 10-K · filed 2011-02-28 |
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