NORTHERN STATES POWER CO Increase (Decrease) in Regulatory Assets and Liabilities
NORTHERN STATES POWER CO reported Increase (Decrease) in Regulatory Assets and Liabilities of $13.00 million for the 6-month period ending 2026-06-30, per its 10-Q filed 2026-07-30.
Financial Statements › Cash Flow › Operating Activities
us-gaap:IncreaseDecreaseInRegulatoryAssetsAndLiabilities · last filed 2026-07-30
- NORTHERN STATES POWER CO increase (decrease) in regulatory assets and liabilities for the quarter ending 2026-06-30 was $54.00M, a 40.00% decline year-over-year.
- NORTHERN STATES POWER CO increase (decrease) in regulatory assets and liabilities for the quarter ending 2026-03-31 was -$41.00M.
- NORTHERN STATES POWER CO increase (decrease) in regulatory assets and liabilities for the quarter ending 2025-12-31 was -$8.00M.
- NORTHERN STATES POWER CO increase (decrease) in regulatory assets and liabilities for the quarter ending 2025-09-30 was $46.00M.
- NORTHERN STATES POWER CO increase (decrease) in regulatory assets and liabilities for fiscal 2025 was $59.00M.
- NORTHERN STATES POWER CO increase (decrease) in regulatory assets and liabilities for fiscal 2024 was -$108.00M.
- NORTHERN STATES POWER CO increase (decrease) in regulatory assets and liabilities for fiscal 2023 was -$287.00M.
- NORTHERN STATES POWER CO increase (decrease) in regulatory assets and liabilities for fiscal 2022 was -$443.00M, a 257.09% decline from fiscal 2021.
| Period end | Increase (Decrease) in Regulatory Assets and Liabilities 3 month | Increase (Decrease) in Regulatory Assets and Liabilities 3 month as first filed | Increase (Decrease) in Regulatory Assets and Liabilities 6 month | Increase (Decrease) in Regulatory Assets and Liabilities 6 month as first filed | Increase (Decrease) in Regulatory Assets and Liabilities 9 month | Increase (Decrease) in Regulatory Assets and Liabilities 9 month as first filed | Increase (Decrease) in Regulatory Assets and Liabilities 12 month | Increase (Decrease) in Regulatory Assets and Liabilities 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $54.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-07-30 | $13.00M 10-Q · filed 2026-07-30 | $5.00M derived: sum of 3 quarters · filed 2026-07-30 | $51.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2026-03-31 | -$41.00M 10-Q · filed 2026-04-30 | -$49.00M derived: sum of 2 quarters · filed 2026-04-30 | -$3.00M derived: sum of 3 quarters · filed 2026-04-30 | $87.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2025-12-31 | -$8.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-25 | $38.00M derived: sum of 2 quarters · filed 2026-02-25 | $128.00M derived: sum of 3 quarters · filed 2026-07-30 | $59.00M 10-K · filed 2026-02-25 | ||||
| 2025-09-30 | $46.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-10-30 | $136.00M derived: sum of 2 quarters · filed 2026-07-30 | $67.00M 10-Q · filed 2025-10-30 | -$19.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2025-06-30 | $90.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-07-30 | $21.00M 10-Q · filed 2026-07-30 | -$65.00M derived: sum of 3 quarters · filed 2026-07-30 | -$116.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2025-03-31 | -$69.00M 10-Q · filed 2026-04-30 | -$155.00M derived: sum of 2 quarters · filed 2026-04-30 | -$206.00M derived: sum of 3 quarters · filed 2026-04-30 | -$184.00M derived: sum of 4 quarters · filed 2026-04-30 | ||||
| 2024-12-31 | -$86.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-25 | -$137.00M derived: sum of 2 quarters · filed 2026-02-25 | -$115.00M derived: sum of 3 quarters · filed 2026-02-25 | -$108.00M 10-K · filed 2026-02-25 | ||||
| 2024-09-30 | -$51.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-10-30 | -$29.00M derived: sum of 2 quarters · filed 2025-10-30 | -$22.00M 10-Q · filed 2025-10-30 | -$2.00M derived: sum of 4 quarters · filed 2026-02-25 | ||||
| 2024-06-30 | $22.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2025-07-31 | $29.00M 10-Q · filed 2025-07-31 | $49.00M derived: sum of 3 quarters · filed 2026-02-25 | -$66.00M derived: sum of 4 quarters · filed 2026-02-25 | ||||
| 2024-03-31 | $7.00M 10-Q · filed 2025-04-24 | $27.00M derived: sum of 2 quarters · filed 2026-02-25 | -$88.00M derived: sum of 3 quarters · filed 2026-02-25 | -$123.00M derived: sum of 4 quarters · filed 2026-02-25 | ||||
| 2023-12-31 | $20.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-25 | -$95.00M derived: sum of 2 quarters · filed 2026-02-25 | -$130.00M derived: sum of 3 quarters · filed 2026-02-25 | -$287.00M 10-K · filed 2026-02-25 | ||||
| 2023-09-30 | -$115.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2024-10-31 | -$150.00M derived: sum of 2 quarters · filed 2024-10-31 | -$307.00M 10-Q · filed 2024-10-31 | -$425.00M derived: sum of 4 quarters · filed 2025-02-27 | ||||
| 2023-06-30 | -$35.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2024-08-01 | -$192.00M 10-Q · filed 2024-08-01 | -$310.00M derived: sum of 3 quarters · filed 2025-02-27 | -$377.00M derived: sum of 4 quarters · filed 2025-02-27 | ||||
| 2023-03-31 | -$157.00M 10-Q · filed 2024-04-25 | -$275.00M derived: sum of 2 quarters · filed 2025-02-27 | -$342.00M derived: sum of 3 quarters · filed 2025-02-27 | -$432.00M derived: sum of 4 quarters · filed 2025-02-27 | ||||
| 2022-12-31 | -$118.00M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-27 | -$185.00M derived: sum of 2 quarters · filed 2025-02-27 | -$275.00M derived: sum of 3 quarters · filed 2025-02-27 | -$443.00M 10-K · filed 2025-02-27 | ||||
| 2022-09-30 | -$67.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2023-10-27 | -$157.00M derived: sum of 2 quarters · filed 2023-10-27 | -$325.00M 10-Q · filed 2023-10-27 | -$355.00M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-06-30 | -$90.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2023-07-27 | -$258.00M 10-Q · filed 2023-07-27 | -$288.00M derived: sum of 3 quarters · filed 2024-02-21 | -$81.00M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-03-31 | -$168.00M 10-Q · filed 2023-04-27 | -$198.00M derived: sum of 2 quarters · filed 2024-02-21 | $9.00M derived: sum of 3 quarters · filed 2024-02-21 | -$154.00M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2021-12-31 | -$30.00M derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-21 | $177.00M derived: sum of 2 quarters · filed 2024-02-21 | $14.00M derived: sum of 3 quarters · filed 2024-02-21 | $282.00M 10-K · filed 2024-02-21 | ||||
| 2021-09-30 | $207.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2022-10-27 | $44.00M derived: sum of 2 quarters · filed 2022-10-27 | $312.00M 10-Q · filed 2022-10-27 | $313.00M derived: sum of 4 quarters · filed 2023-02-23 | ||||
| 2021-06-30 | -$163.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2022-07-28 | $105.00M 10-Q · filed 2022-07-28 | $106.00M derived: sum of 3 quarters · filed 2023-02-23 | $183.00M derived: sum of 4 quarters · filed 2023-02-23 | ||||
| 2021-03-31 | $268.00M 10-Q · filed 2022-04-28 | $269.00M derived: sum of 2 quarters · filed 2023-02-23 | $346.00M derived: sum of 3 quarters · filed 2023-02-23 | $388.00M derived: sum of 4 quarters · filed 2023-02-23 | ||||
| 2020-12-31 | $1.00M derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-23 | $78.00M derived: sum of 2 quarters · filed 2023-02-23 | $120.00M derived: sum of 3 quarters · filed 2023-02-23 | $87.00M 10-K · filed 2023-02-23 | ||||
| 2020-09-30 | $77.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2021-10-28 | $119.00M derived: sum of 2 quarters · filed 2021-10-28 | $86.00M 10-Q · filed 2021-10-28 | $86.10M 10-Q · filed 2020-10-29 | $121.90M derived: sum of 4 quarters · filed 2022-02-23 | |||
| 2020-06-30 | $42.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2021-07-29 | $9.00M 10-Q · filed 2021-07-29 | $8.60M 10-Q · filed 2020-07-31 | $44.90M derived: sum of 3 quarters · filed 2022-02-23 | $48.60M derived: sum of 4 quarters · filed 2022-02-23 | |||
| 2020-03-31 | -$33.00M 10-Q · filed 2021-04-29 | -$32.80M 10-Q · filed 2020-05-07 | $2.90M derived: sum of 2 quarters · filed 2022-02-23 | $6.60M derived: sum of 3 quarters · filed 2022-02-23 | $161.70M derived: sum of 4 quarters · filed 2022-02-23 | |||
| 2019-12-31 | $35.90M derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-23 | $39.60M derived: sum of 2 quarters · filed 2022-02-23 | $194.70M derived: sum of 3 quarters · filed 2022-02-23 | $140.00M 10-K · filed 2022-02-23 | $139.70M 10-K · filed 2020-02-21 | |||
| 2019-09-30 | $3.70M derived: 10-Q 9 month − 10-Q 6 month · filed 2020-10-29 | $158.80M derived: sum of 2 quarters · filed 2020-10-29 | $104.10M 10-Q · filed 2020-10-29 | $37.10M derived: sum of 4 quarters · filed 2021-02-17 | ||||
| 2019-06-30 | $155.10M derived: 10-Q 6 month − 10-Q 3 month · filed 2020-07-31 | $100.40M 10-Q · filed 2020-07-31 | $33.40M derived: sum of 3 quarters · filed 2021-02-17 | -$37.80M derived: sum of 4 quarters · filed 2021-02-17 | ||||
| 2019-03-31 | -$54.70M 10-Q · filed 2020-05-07 | -$121.70M derived: sum of 2 quarters · filed 2021-02-17 | -$192.90M derived: sum of 3 quarters · filed 2021-02-17 | -$162.60M derived: sum of 4 quarters · filed 2021-02-17 | ||||
| 2018-12-31 | -$67.00M derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-17 | -$138.20M derived: sum of 2 quarters · filed 2021-02-17 | -$107.90M derived: sum of 3 quarters · filed 2021-02-17 | -$182.00M 10-K · filed 2021-02-17 | -$182.30M 10-K · filed 2019-02-22 | |||
| 2018-09-30 | -$71.20M derived: 10-Q 9 month − 10-Q 6 month · filed 2019-10-25 | -$40.90M derived: sum of 2 quarters · filed 2019-10-25 | -$115.00M 10-Q · filed 2019-10-25 | -$115.04M 10-Q · filed 2018-10-26 | -$94.07M derived: sum of 4 quarters · filed 2020-02-21 | |||
| 2018-06-30 | $30.30M derived: 10-Q 6 month − 10-Q 3 month · filed 2019-08-01 | -$43.80M 10-Q · filed 2019-08-01 | -$43.78M 10-Q · filed 2018-07-27 | -$22.87M derived: sum of 3 quarters · filed 2020-02-21 | -$4.79M derived: sum of 4 quarters · filed 2020-02-21 | |||
| 2018-03-31 | -$74.10M 10-Q · filed 2019-04-26 | -$74.14M 10-Q · filed 2018-04-27 | -$53.17M derived: sum of 2 quarters · filed 2020-02-21 | -$35.09M derived: sum of 3 quarters · filed 2020-02-21 | -$36.19M derived: sum of 4 quarters · filed 2020-02-21 | |||
| 2017-12-31 | $20.93M derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-21 | $39.01M derived: sum of 2 quarters · filed 2020-02-21 | $37.91M derived: sum of 3 quarters · filed 2020-02-21 | $36.40M 10-K · filed 2020-02-21 | $36.45M 10-K · filed 2018-02-26 | |||
| 2017-09-30 | $18.08M derived: 10-Q 9 month − 10-Q 6 month · filed 2018-10-26 | $16.98M derived: sum of 2 quarters · filed 2018-10-26 | $15.47M 10-Q · filed 2018-10-26 | $26.02M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2017-06-30 | -$1.10M derived: 10-Q 6 month − 10-Q 3 month · filed 2018-07-27 | -$2.61M 10-Q · filed 2018-07-27 | $7.94M derived: sum of 3 quarters · filed 2019-02-22 | $20.77M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2017-03-31 | -$1.51M 10-Q · filed 2018-04-27 | $9.04M derived: sum of 2 quarters · filed 2019-02-22 | $21.87M derived: sum of 3 quarters · filed 2019-02-22 | $3.10M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2016-12-31 | $10.55M derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-22 | $23.39M derived: sum of 2 quarters · filed 2019-02-22 | $4.62M derived: sum of 3 quarters · filed 2019-02-22 | -$46.90M 10-K · filed 2019-02-22 | -$46.91M 10-K · filed 2017-02-24 | |||
| 2016-09-30 | $12.84M derived: 10-Q 9 month − 10-Q 6 month · filed 2017-10-27 | -$5.93M derived: sum of 2 quarters · filed 2017-10-27 | -$57.45M 10-Q · filed 2017-10-27 | -$32.50M derived: sum of 4 quarters · filed 2018-02-26 | ||||
| 2016-06-30 | -$18.77M derived: 10-Q 6 month − 10-Q 3 month · filed 2017-07-28 | -$70.29M 10-Q · filed 2017-07-28 | -$45.34M derived: sum of 3 quarters · filed 2018-02-26 | -$48.51M derived: sum of 4 quarters · filed 2018-02-26 | ||||
| 2016-03-31 | -$51.52M 10-Q · filed 2017-04-28 | -$26.57M derived: sum of 2 quarters · filed 2018-02-26 | -$29.74M derived: sum of 3 quarters · filed 2018-02-26 | -$7.50M derived: sum of 4 quarters · filed 2018-02-26 | ||||
| 2015-12-31 | $24.95M derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-26 | $21.78M derived: sum of 2 quarters · filed 2018-02-26 | $44.02M derived: sum of 3 quarters · filed 2018-02-26 | $6.46M 10-K · filed 2018-02-26 | ||||
| 2015-09-30 | -$3.17M derived: 10-Q 9 month − 10-Q 6 month · filed 2016-10-31 | $19.07M derived: sum of 2 quarters · filed 2016-10-31 | -$18.49M 10-Q · filed 2016-10-31 | -$24.71M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-06-30 | $22.24M derived: 10-Q 6 month − 10-Q 3 month · filed 2016-08-04 | -$15.32M 10-Q · filed 2016-08-04 | -$21.54M derived: sum of 3 quarters · filed 2017-02-24 | -$49.62M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-03-31 | -$37.56M 10-Q · filed 2016-05-13 | -$43.78M derived: sum of 2 quarters · filed 2017-02-24 | -$71.86M derived: sum of 3 quarters · filed 2017-02-24 | -$116.10M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2014-12-31 | -$6.22M derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-24 | -$34.30M derived: sum of 2 quarters · filed 2017-02-24 | -$78.54M derived: sum of 3 quarters · filed 2017-02-24 | -$101.83M 10-K · filed 2017-02-24 | ||||
| 2014-09-30 | -$28.08M derived: 10-Q 9 month − 10-Q 6 month · filed 2015-10-30 | -$72.32M derived: sum of 2 quarters · filed 2015-10-30 | -$95.61M 10-Q · filed 2015-10-30 | -$78.94M derived: sum of 4 quarters · filed 2016-02-22 | ||||
| 2014-06-30 | -$44.25M derived: 10-Q 6 month − 10-Q 3 month · filed 2015-08-03 | -$67.53M 10-Q · filed 2015-08-03 | -$50.86M derived: sum of 3 quarters · filed 2016-02-22 | -$48.29M derived: sum of 4 quarters · filed 2016-02-22 | ||||
| 2014-03-31 | -$23.28M 10-Q · filed 2015-05-04 | -$6.62M derived: sum of 2 quarters · filed 2016-02-22 | -$4.05M derived: sum of 3 quarters · filed 2016-02-22 | -$14.30M derived: sum of 4 quarters · filed 2016-02-22 | ||||
| 2013-12-31 | $16.66M derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-22 | $19.24M derived: sum of 2 quarters · filed 2016-02-22 | $8.98M derived: sum of 3 quarters · filed 2016-02-22 | -$10.70M 10-K · filed 2016-02-22 | ||||
| 2013-09-30 | $2.57M derived: 10-Q 9 month − 10-Q 6 month · filed 2014-10-31 | -$7.68M derived: sum of 2 quarters · filed 2014-10-31 | -$27.37M 10-Q · filed 2014-10-31 | -$12.33M derived: sum of 4 quarters · filed 2015-02-20 | ||||
| 2013-06-30 | -$10.25M derived: 10-Q 6 month − 10-Q 3 month · filed 2014-08-01 | -$29.94M 10-Q · filed 2014-08-01 | -$14.90M derived: sum of 3 quarters · filed 2015-02-20 | -$21.69M derived: sum of 4 quarters · filed 2015-02-20 | ||||
| 2013-03-31 | -$19.68M 10-Q · filed 2014-05-05 | -$4.65M derived: sum of 2 quarters · filed 2015-02-20 | -$11.43M derived: sum of 3 quarters · filed 2015-02-20 | $16.64M derived: sum of 4 quarters · filed 2015-02-20 | ||||
| 2012-12-31 | $15.04M derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-20 | $8.25M derived: sum of 2 quarters · filed 2015-02-20 | $36.32M derived: sum of 3 quarters · filed 2015-02-20 | $15.42M 10-K · filed 2015-02-20 | ||||
| 2012-09-30 | -$6.78M derived: 10-Q 9 month − 10-Q 6 month · filed 2013-10-28 | $21.29M derived: sum of 2 quarters · filed 2013-10-28 | $381.00K 10-Q · filed 2013-10-28 | $33.12M derived: sum of 4 quarters · filed 2014-02-24 | ||||
| 2012-06-30 | $28.07M derived: 10-Q 6 month − 10-Q 3 month · filed 2013-08-05 | $7.17M 10-Q · filed 2013-08-05 | $39.90M derived: sum of 3 quarters · filed 2014-02-24 | -$76.70M derived: sum of 4 quarters · filed 2014-02-24 | ||||
| 2012-03-31 | -$20.90M 10-Q · filed 2013-05-06 | $11.83M derived: sum of 2 quarters · filed 2014-02-24 | -$104.77M derived: sum of 3 quarters · filed 2014-02-24 | -$79.39M derived: sum of 4 quarters · filed 2014-02-24 | ||||
| 2011-12-31 | $32.74M derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-24 | -$83.87M derived: sum of 2 quarters · filed 2014-02-24 | -$58.48M derived: sum of 3 quarters · filed 2014-02-24 | -$75.39M 10-K · filed 2014-02-24 | ||||
| 2011-09-30 | -$116.61M derived: 10-Q 9 month − 10-Q 6 month · filed 2012-10-26 | -$91.22M derived: sum of 2 quarters · filed 2012-10-26 | -$108.13M 10-Q · filed 2012-10-26 | -$94.20M derived: sum of 4 quarters · filed 2013-02-25 | ||||
| 2011-06-30 | $25.39M derived: 10-Q 6 month − 10-Q 3 month · filed 2012-08-03 | $8.48M 10-Q · filed 2012-08-03 | $22.41M derived: sum of 3 quarters · filed 2013-02-25 | -$21.73M derived: sum of 4 quarters · filed 2013-02-25 | ||||
| 2011-03-31 | -$16.91M 10-Q · filed 2012-04-30 | -$2.98M derived: sum of 2 quarters · filed 2013-02-25 | -$47.12M derived: sum of 3 quarters · filed 2013-02-25 | |||||
| 2010-12-31 | $13.93M derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-25 | -$30.21M derived: sum of 2 quarters · filed 2013-02-25 | -$18.57M 10-K · filed 2013-02-25 | |||||
| 2010-09-30 | -$44.14M derived: 10-Q 9 month − 10-Q 6 month · filed 2011-10-28 | -$32.50M 10-Q · filed 2011-10-28 | ||||||
| 2010-06-30 | $11.64M 10-Q · filed 2011-08-01 | |||||||
| 2009-12-31 | $70.88M 10-K · filed 2012-02-27 |