NORTHERN STATES POWER CO Interest Expense
NORTHERN STATES POWER CO reported Interest Expense of $134.00 million for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-07-30.
Financial Statements › Expense Statement › Interest Expense
us-gaap:InterestExpense · last filed 2026-07-30
- NORTHERN STATES POWER CO interest expense for the quarter ending 2026-06-30 was $134.00M, a 31.37% increase year-over-year.
- NORTHERN STATES POWER CO interest expense for the quarter ending 2026-03-31 was $124.00M, a 31.91% increase year-over-year.
- NORTHERN STATES POWER CO interest expense for the quarter ending 2025-12-31 was $122.00M, a 32.61% increase year-over-year.
- NORTHERN STATES POWER CO interest expense for the quarter ending 2025-09-30 was $112.00M, a 21.74% increase year-over-year.
- NORTHERN STATES POWER CO interest expense for fiscal 2025 was $430.00M, a 18.46% increase from fiscal 2024.
- NORTHERN STATES POWER CO interest expense for fiscal 2024 was $363.00M, a 11.69% increase from fiscal 2023.
- NORTHERN STATES POWER CO interest expense for fiscal 2023 was $325.00M, a 11.68% increase from fiscal 2022.
- NORTHERN STATES POWER CO interest expense for fiscal 2022 was $291.00M, a 7.38% 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 |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $134.00M 10-Q · filed 2026-07-30 | $258.00M 10-Q · filed 2026-07-30 | $380.00M derived: sum of 3 quarters · filed 2026-07-30 | $492.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2026-03-31 | $124.00M 10-Q · filed 2026-04-30 | $246.00M derived: sum of 2 quarters · filed 2026-04-30 | $358.00M derived: sum of 3 quarters · filed 2026-04-30 | $460.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2025-12-31 | $122.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-25 | $234.00M derived: sum of 2 quarters · filed 2026-02-25 | $336.00M derived: sum of 3 quarters · filed 2026-07-30 | $430.00M 10-K · filed 2026-02-25 | ||||
| 2025-09-30 | $112.00M 10-Q · filed 2025-10-30 | $214.00M derived: sum of 2 quarters · filed 2026-07-30 | $308.00M 10-Q · filed 2025-10-30 | $400.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2025-06-30 | $102.00M 10-Q · filed 2026-07-30 | $196.00M 10-Q · filed 2026-07-30 | $288.00M derived: sum of 3 quarters · filed 2026-07-30 | $380.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2025-03-31 | $94.00M 10-Q · filed 2026-04-30 | $186.00M derived: sum of 2 quarters · filed 2026-04-30 | $278.00M derived: sum of 3 quarters · filed 2026-04-30 | $369.00M derived: sum of 4 quarters · filed 2026-04-30 | ||||
| 2024-12-31 | $92.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-25 | $184.00M derived: sum of 2 quarters · filed 2026-02-25 | $275.00M derived: sum of 3 quarters · filed 2026-02-25 | $363.00M 10-K · filed 2026-02-25 | ||||
| 2024-09-30 | $92.00M 10-Q · filed 2025-10-30 | $183.00M derived: sum of 2 quarters · filed 2025-10-30 | $271.00M 10-Q · filed 2025-10-30 | $355.00M derived: sum of 4 quarters · filed 2026-02-25 | ||||
| 2024-06-30 | $91.00M 10-Q · filed 2025-07-31 | $179.00M 10-Q · filed 2025-07-31 | $263.00M derived: sum of 3 quarters · filed 2026-02-25 | $344.00M derived: sum of 4 quarters · filed 2026-02-25 | ||||
| 2024-03-31 | $88.00M 10-Q · filed 2025-04-24 | $172.00M derived: sum of 2 quarters · filed 2026-02-25 | $253.00M derived: sum of 3 quarters · filed 2026-02-25 | $336.00M derived: sum of 4 quarters · filed 2026-02-25 | ||||
| 2023-12-31 | $84.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-25 | $165.00M derived: sum of 2 quarters · filed 2026-02-25 | $248.00M derived: sum of 3 quarters · filed 2026-02-25 | $325.00M 10-K · filed 2026-02-25 | ||||
| 2023-09-30 | $81.00M 10-Q · filed 2024-10-31 | $164.00M derived: sum of 2 quarters · filed 2024-10-31 | $241.00M 10-Q · filed 2024-10-31 | $316.00M derived: sum of 4 quarters · filed 2025-02-27 | ||||
| 2023-06-30 | $83.00M 10-Q · filed 2024-08-01 | $160.00M 10-Q · filed 2024-08-01 | $235.00M derived: sum of 3 quarters · filed 2025-02-27 | $310.00M derived: sum of 4 quarters · filed 2025-02-27 | ||||
| 2023-03-31 | $77.00M 10-Q · filed 2024-04-25 | $152.00M derived: sum of 2 quarters · filed 2025-02-27 | $227.00M derived: sum of 3 quarters · filed 2025-02-27 | $299.00M derived: sum of 4 quarters · filed 2025-02-27 | ||||
| 2022-12-31 | $75.00M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-27 | $150.00M derived: sum of 2 quarters · filed 2025-02-27 | $222.00M derived: sum of 3 quarters · filed 2025-02-27 | $291.00M 10-K · filed 2025-02-27 | ||||
| 2022-09-30 | $75.00M 10-Q · filed 2023-10-27 | $147.00M derived: sum of 2 quarters · filed 2023-10-27 | $216.00M 10-Q · filed 2023-10-27 | $285.00M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-06-30 | $72.00M 10-Q · filed 2023-07-27 | $141.00M 10-Q · filed 2023-07-27 | $210.00M derived: sum of 3 quarters · filed 2024-02-21 | $279.00M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-03-31 | $69.00M 10-Q · filed 2023-04-27 | $138.00M derived: sum of 2 quarters · filed 2024-02-21 | $207.00M derived: sum of 3 quarters · filed 2024-02-21 | $277.00M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2021-12-31 | $69.00M derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-21 | $138.00M derived: sum of 2 quarters · filed 2024-02-21 | $208.00M derived: sum of 3 quarters · filed 2024-02-21 | $271.00M 10-K · filed 2024-02-21 | ||||
| 2021-09-30 | $69.00M 10-Q · filed 2022-10-27 | $139.00M derived: sum of 2 quarters · filed 2022-10-27 | $202.00M 10-Q · filed 2022-10-27 | $265.00M derived: sum of 4 quarters · filed 2023-02-23 | ||||
| 2021-06-30 | $70.00M 10-Q · filed 2022-07-28 | $133.00M 10-Q · filed 2022-07-28 | $196.00M derived: sum of 3 quarters · filed 2023-02-23 | $260.00M derived: sum of 4 quarters · filed 2023-02-23 | ||||
| 2021-03-31 | $63.00M 10-Q · filed 2022-04-28 | $126.00M derived: sum of 2 quarters · filed 2023-02-23 | $190.00M derived: sum of 3 quarters · filed 2023-02-23 | $251.00M derived: sum of 4 quarters · filed 2023-02-23 | ||||
| 2020-12-31 | $63.00M derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-23 | $127.00M derived: sum of 2 quarters · filed 2023-02-23 | $188.00M derived: sum of 3 quarters · filed 2023-02-23 | $249.00M 10-K · filed 2023-02-23 | ||||
| 2020-09-30 | $64.00M 10-Q · filed 2021-10-28 | $63.80M 10-Q · filed 2020-10-29 | $125.00M derived: sum of 2 quarters · filed 2021-10-28 | $186.00M 10-Q · filed 2021-10-28 | $185.80M 10-Q · filed 2020-10-29 | $246.40M derived: sum of 4 quarters · filed 2022-02-23 | ||
| 2020-06-30 | $61.00M 10-Q · filed 2021-07-29 | $61.20M 10-Q · filed 2020-07-31 | $122.00M 10-Q · filed 2021-07-29 | $121.90M 10-Q · filed 2020-07-31 | $182.40M derived: sum of 3 quarters · filed 2022-02-23 | $240.90M derived: sum of 4 quarters · filed 2022-02-23 | ||
| 2020-03-31 | $61.00M 10-Q · filed 2021-04-29 | $60.70M 10-Q · filed 2020-05-07 | $121.40M derived: sum of 2 quarters · filed 2022-02-23 | $179.90M derived: sum of 3 quarters · filed 2022-02-23 | $236.80M derived: sum of 4 quarters · filed 2022-02-23 | |||
| 2019-12-31 | $60.40M derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-23 | $118.90M derived: sum of 2 quarters · filed 2022-02-23 | $175.80M derived: sum of 3 quarters · filed 2022-02-23 | $233.00M 10-K · filed 2022-02-23 | $233.30M 10-K · filed 2020-02-21 | |||
| 2019-09-30 | $58.50M 10-Q · filed 2020-10-29 | $115.40M derived: sum of 2 quarters · filed 2020-10-29 | $172.60M 10-Q · filed 2020-10-29 | $229.10M derived: sum of 4 quarters · filed 2021-02-17 | ||||
| 2019-06-30 | $56.90M 10-Q · filed 2020-07-31 | $114.10M 10-Q · filed 2020-07-31 | $170.60M derived: sum of 3 quarters · filed 2021-02-17 | $227.00M derived: sum of 4 quarters · filed 2021-02-17 | ||||
| 2019-03-31 | $57.20M 10-Q · filed 2020-05-07 | $113.70M derived: sum of 2 quarters · filed 2021-02-17 | $170.10M derived: sum of 3 quarters · filed 2021-02-17 | $226.90M derived: sum of 4 quarters · filed 2021-02-17 | ||||
| 2018-12-31 | $56.50M derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-17 | $112.90M derived: sum of 2 quarters · filed 2021-02-17 | $169.70M derived: sum of 3 quarters · filed 2021-02-17 | $227.00M 10-K · filed 2021-02-17 | $226.80M 10-K · filed 2019-02-22 | |||
| 2018-09-30 | $56.40M 10-Q · filed 2019-10-25 | $56.40M 10-Q · filed 2018-10-26 | $113.20M derived: sum of 2 quarters · filed 2019-10-25 | $170.50M 10-Q · filed 2019-10-25 | $170.52M 10-Q · filed 2018-10-26 | $226.35M derived: sum of 4 quarters · filed 2020-02-21 | ||
| 2018-06-30 | $56.80M 10-Q · filed 2019-08-01 | $56.77M 10-Q · filed 2018-07-27 | $114.10M 10-Q · filed 2019-08-01 | $114.12M 10-Q · filed 2018-07-27 | $169.95M derived: sum of 3 quarters · filed 2020-02-21 | $227.53M derived: sum of 4 quarters · filed 2020-02-21 | ||
| 2018-03-31 | $57.30M 10-Q · filed 2019-04-26 | $57.35M 10-Q · filed 2018-04-27 | $113.15M derived: sum of 2 quarters · filed 2020-02-21 | $170.73M derived: sum of 3 quarters · filed 2020-02-21 | $228.44M derived: sum of 4 quarters · filed 2020-02-21 | |||
| 2017-12-31 | $55.85M derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-21 | $113.43M derived: sum of 2 quarters · filed 2020-02-21 | $171.14M derived: sum of 3 quarters · filed 2020-02-21 | $228.40M 10-K · filed 2020-02-21 | $228.40M 10-K · filed 2018-02-26 | |||
| 2017-09-30 | $57.58M 10-Q · filed 2018-10-26 | $115.28M derived: sum of 2 quarters · filed 2018-10-26 | $172.55M 10-Q · filed 2018-10-26 | $231.04M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2017-06-30 | $57.71M 10-Q · filed 2018-07-27 | $114.97M 10-Q · filed 2018-07-27 | $173.46M derived: sum of 3 quarters · filed 2019-02-22 | $231.32M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2017-03-31 | $57.26M 10-Q · filed 2018-04-27 | $115.75M derived: sum of 2 quarters · filed 2019-02-22 | $173.61M derived: sum of 3 quarters · filed 2019-02-22 | $229.75M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2016-12-31 | $58.49M derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-22 | $116.35M derived: sum of 2 quarters · filed 2019-02-22 | $172.49M derived: sum of 3 quarters · filed 2019-02-22 | $226.50M 10-K · filed 2019-02-22 | $226.55M 10-K · filed 2017-02-24 | |||
| 2016-09-30 | $57.86M 10-Q · filed 2017-10-27 | $114.00M derived: sum of 2 quarters · filed 2017-10-27 | $168.01M 10-Q · filed 2017-10-27 | $222.76M derived: sum of 4 quarters · filed 2018-02-26 | ||||
| 2016-06-30 | $56.14M 10-Q · filed 2017-07-28 | $110.15M 10-Q · filed 2017-07-28 | $164.91M derived: sum of 3 quarters · filed 2018-02-26 | $218.06M derived: sum of 4 quarters · filed 2018-02-26 | ||||
| 2016-03-31 | $54.02M 10-Q · filed 2017-04-28 | $108.77M derived: sum of 2 quarters · filed 2018-02-26 | $161.92M derived: sum of 3 quarters · filed 2018-02-26 | $211.02M derived: sum of 4 quarters · filed 2018-02-26 | ||||
| 2015-12-31 | $54.76M derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-26 | $107.91M derived: sum of 2 quarters · filed 2018-02-26 | $157.00M derived: sum of 3 quarters · filed 2018-02-26 | $208.76M 10-K · filed 2018-02-26 | ||||
| 2015-09-30 | $53.15M 10-Q · filed 2016-10-31 | $102.25M derived: sum of 2 quarters · filed 2016-10-31 | $154.01M 10-Q · filed 2016-10-31 | $205.95M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-06-30 | $49.09M 10-Q · filed 2016-08-04 | $100.86M 10-Q · filed 2016-08-04 | $152.80M derived: sum of 3 quarters · filed 2017-02-24 | $203.98M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-03-31 | $51.76M 10-Q · filed 2016-05-13 | $103.71M derived: sum of 2 quarters · filed 2017-02-24 | $154.89M derived: sum of 3 quarters · filed 2017-02-24 | $203.98M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2014-12-31 | $51.94M derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-24 | $103.13M derived: sum of 2 quarters · filed 2017-02-24 | $152.22M derived: sum of 3 quarters · filed 2017-02-24 | $199.67M 10-K · filed 2017-02-24 | ||||
| 2014-09-30 | $51.18M 10-Q · filed 2015-10-30 | $100.27M derived: sum of 2 quarters · filed 2015-10-30 | $147.72M 10-Q · filed 2015-10-30 | $197.72M derived: sum of 4 quarters · filed 2016-02-22 | ||||
| 2014-06-30 | $49.09M 10-Q · filed 2015-08-03 | $96.54M 10-Q · filed 2015-08-03 | $146.53M derived: sum of 3 quarters · filed 2016-02-22 | $196.84M derived: sum of 4 quarters · filed 2016-02-22 | ||||
| 2014-03-31 | $47.45M 10-Q · filed 2015-05-04 | $97.44M derived: sum of 2 quarters · filed 2016-02-22 | $147.75M derived: sum of 3 quarters · filed 2016-02-22 | $194.23M derived: sum of 4 quarters · filed 2016-02-22 | ||||
| 2013-12-31 | $49.99M derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-22 | $100.30M derived: sum of 2 quarters · filed 2016-02-22 | $146.78M derived: sum of 3 quarters · filed 2016-02-22 | $191.89M 10-K · filed 2016-02-22 | ||||
| 2013-09-30 | $50.31M 10-Q · filed 2014-10-31 | $96.78M derived: sum of 2 quarters · filed 2014-10-31 | $141.90M 10-Q · filed 2014-10-31 | $186.57M derived: sum of 4 quarters · filed 2015-02-20 | ||||
| 2013-06-30 | $46.48M 10-Q · filed 2014-08-01 | $91.59M 10-Q · filed 2014-08-01 | $136.27M derived: sum of 3 quarters · filed 2015-02-20 | $188.35M derived: sum of 4 quarters · filed 2015-02-20 | ||||
| 2013-03-31 | $45.11M 10-Q · filed 2014-05-05 | $89.79M derived: sum of 2 quarters · filed 2015-02-20 | $141.87M derived: sum of 3 quarters · filed 2015-02-20 | $194.15M derived: sum of 4 quarters · filed 2015-02-20 | ||||
| 2012-12-31 | $44.68M derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-20 | $96.76M derived: sum of 2 quarters · filed 2015-02-20 | $149.04M derived: sum of 3 quarters · filed 2015-02-20 | $201.16M 10-K · filed 2015-02-20 | ||||
| 2012-09-30 | $52.08M 10-Q · filed 2013-10-28 | $104.36M derived: sum of 2 quarters · filed 2013-10-28 | $156.48M 10-Q · filed 2013-10-28 | $208.49M derived: sum of 4 quarters · filed 2014-02-24 | ||||
| 2012-06-30 | $52.28M 10-Q · filed 2013-08-05 | $104.40M 10-Q · filed 2013-08-05 | $156.41M derived: sum of 3 quarters · filed 2014-02-24 | $208.48M derived: sum of 4 quarters · filed 2014-02-24 | ||||
| 2012-03-31 | $52.12M 10-Q · filed 2013-05-06 | $104.13M derived: sum of 2 quarters · filed 2014-02-24 | $156.19M derived: sum of 3 quarters · filed 2014-02-24 | $208.51M derived: sum of 4 quarters · filed 2014-02-24 | ||||
| 2011-12-31 | $52.01M derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-24 | $104.08M derived: sum of 2 quarters · filed 2014-02-24 | $156.39M derived: sum of 3 quarters · filed 2014-02-24 | $208.00M 10-K · filed 2014-02-24 | ||||
| 2011-09-30 | $52.07M 10-Q · filed 2012-10-26 | $104.38M derived: sum of 2 quarters · filed 2012-10-26 | $156.00M 10-Q · filed 2012-10-26 | $207.49M derived: sum of 4 quarters · filed 2013-02-25 | ||||
| 2011-06-30 | $52.31M 10-Q · filed 2012-08-03 | $103.93M 10-Q · filed 2012-08-03 | $155.42M derived: sum of 3 quarters · filed 2013-02-25 | $205.83M derived: sum of 4 quarters · filed 2013-02-25 | ||||
| 2011-03-31 | $51.62M 10-Q · filed 2012-04-30 | $103.11M derived: sum of 2 quarters · filed 2013-02-25 | $153.51M derived: sum of 3 quarters · filed 2013-02-25 | $202.87M derived: sum of 4 quarters · filed 2013-02-25 | ||||
| 2010-12-31 | $51.49M derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-25 | $101.90M derived: sum of 2 quarters · filed 2013-02-25 | $151.25M derived: sum of 3 quarters · filed 2013-02-25 | $201.43M 10-K · filed 2013-02-25 | ||||
| 2010-09-30 | $50.41M 10-Q · filed 2011-10-28 | $99.76M derived: sum of 2 quarters · filed 2011-10-28 | $149.94M 10-Q · filed 2011-10-28 | |||||
| 2010-06-30 | $49.35M 10-Q · filed 2011-08-01 | $99.53M 10-Q · filed 2011-08-01 | ||||||
| 2009-12-31 | $194.81M 10-K · filed 2012-02-27 |