NORTHERN STATES POWER CO /WI/ Increase (Decrease) in Regulatory Assets and Liabilities
NORTHERN STATES POWER CO /WI/ reported Increase (Decrease) in Regulatory Assets and Liabilities of -$17.00 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 /WI/ increase (decrease) in regulatory assets and liabilities for the quarter ending 2026-06-30 was -$17.00M, a 666.67% decline year-over-year.
- NORTHERN STATES POWER CO /WI/ increase (decrease) in regulatory assets and liabilities for the quarter ending 2026-03-31 was $0.00.
- NORTHERN STATES POWER CO /WI/ increase (decrease) in regulatory assets and liabilities for the quarter ending 2025-12-31 was -$1.00M.
- NORTHERN STATES POWER CO /WI/ increase (decrease) in regulatory assets and liabilities for the quarter ending 2025-09-30 was $21.00M.
- NORTHERN STATES POWER CO /WI/ increase (decrease) in regulatory assets and liabilities for fiscal 2025 was $16.00M.
- NORTHERN STATES POWER CO /WI/ increase (decrease) in regulatory assets and liabilities for fiscal 2024 was -$25.00M.
- NORTHERN STATES POWER CO /WI/ increase (decrease) in regulatory assets and liabilities for fiscal 2023 was -$44.00M.
- NORTHERN STATES POWER CO /WI/ increase (decrease) in regulatory assets and liabilities for fiscal 2022 was -$18.00M, a 143.90% 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 | -$17.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-07-30 | -$17.00M 10-Q · filed 2026-07-30 | -$18.00M derived: sum of 3 quarters · filed 2026-07-30 | $3.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2026-03-31 | $0.00 10-Q · filed 2026-04-30 | -$1.00M derived: sum of 2 quarters · filed 2026-04-30 | $20.00M derived: sum of 3 quarters · filed 2026-04-30 | $23.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2025-12-31 | -$1.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-25 | $20.00M derived: sum of 2 quarters · filed 2026-02-25 | $23.00M derived: sum of 3 quarters · filed 2026-07-30 | $16.00M 10-K · filed 2026-02-25 | ||||
| 2025-09-30 | $21.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-10-30 | $24.00M derived: sum of 2 quarters · filed 2026-07-30 | $17.00M 10-Q · filed 2025-10-30 | -$2.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2025-06-30 | $3.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-07-30 | -$4.00M 10-Q · filed 2026-07-30 | -$23.00M derived: sum of 3 quarters · filed 2026-07-30 | -$26.00M derived: sum of 4 quarters · filed 2026-07-30 | ||||
| 2025-03-31 | -$7.00M 10-Q · filed 2026-04-30 | -$26.00M derived: sum of 2 quarters · filed 2026-04-30 | -$29.00M derived: sum of 3 quarters · filed 2026-04-30 | -$33.00M derived: sum of 4 quarters · filed 2026-04-30 | ||||
| 2024-12-31 | -$19.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-25 | -$22.00M derived: sum of 2 quarters · filed 2026-02-25 | -$26.00M derived: sum of 3 quarters · filed 2026-02-25 | -$25.00M 10-K · filed 2026-02-25 | ||||
| 2024-09-30 | -$3.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-10-30 | -$7.00M derived: sum of 2 quarters · filed 2025-10-30 | -$6.00M 10-Q · filed 2025-10-30 | $11.00M derived: sum of 4 quarters · filed 2026-02-25 | ||||
| 2024-06-30 | -$4.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2025-07-31 | -$3.00M 10-Q · filed 2025-07-31 | $14.00M derived: sum of 3 quarters · filed 2026-02-25 | -$9.00M derived: sum of 4 quarters · filed 2026-02-25 | ||||
| 2024-03-31 | $1.00M 10-Q · filed 2025-04-24 | $18.00M derived: sum of 2 quarters · filed 2026-02-25 | -$5.00M derived: sum of 3 quarters · filed 2026-02-25 | -$26.00M derived: sum of 4 quarters · filed 2026-02-25 | ||||
| 2023-12-31 | $17.00M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-25 | -$6.00M derived: sum of 2 quarters · filed 2026-02-25 | -$27.00M derived: sum of 3 quarters · filed 2026-02-25 | -$44.00M 10-K · filed 2026-02-25 | ||||
| 2023-09-30 | -$23.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2024-10-31 | -$44.00M derived: sum of 2 quarters · filed 2024-10-31 | -$61.00M 10-Q · filed 2024-10-31 | -$74.00M derived: sum of 4 quarters · filed 2025-02-27 | ||||
| 2023-06-30 | -$21.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2024-08-01 | -$38.00M 10-Q · filed 2024-08-01 | -$51.00M derived: sum of 3 quarters · filed 2025-02-27 | -$52.00M derived: sum of 4 quarters · filed 2025-02-27 | ||||
| 2023-03-31 | -$17.00M 10-Q · filed 2024-04-25 | -$30.00M derived: sum of 2 quarters · filed 2025-02-27 | -$31.00M derived: sum of 3 quarters · filed 2025-02-27 | -$31.00M derived: sum of 4 quarters · filed 2025-02-27 | ||||
| 2022-12-31 | -$13.00M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-27 | -$14.00M derived: sum of 2 quarters · filed 2025-02-27 | -$14.00M derived: sum of 3 quarters · filed 2025-02-27 | -$18.00M 10-K · filed 2025-02-27 | ||||
| 2022-09-30 | -$1.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2023-10-27 | -$1.00M derived: sum of 2 quarters · filed 2023-10-27 | -$5.00M 10-Q · filed 2023-10-27 | -$14.00M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-06-30 | $0.00 derived: 10-Q 6 month − 10-Q 3 month · filed 2023-07-27 | -$4.00M 10-Q · filed 2023-07-27 | -$13.00M derived: sum of 3 quarters · filed 2024-02-21 | -$10.00M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-03-31 | -$4.00M 10-Q · filed 2023-04-27 | -$13.00M derived: sum of 2 quarters · filed 2024-02-21 | -$10.00M derived: sum of 3 quarters · filed 2024-02-21 | -$10.00M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2021-12-31 | -$9.00M derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-21 | -$6.00M derived: sum of 2 quarters · filed 2024-02-21 | -$6.00M derived: sum of 3 quarters · filed 2024-02-21 | $41.00M 10-K · filed 2024-02-21 | ||||
| 2021-09-30 | $3.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2022-10-27 | $3.00M derived: sum of 2 quarters · filed 2022-10-27 | $50.00M 10-Q · filed 2022-10-27 | $51.00M derived: sum of 4 quarters · filed 2023-02-23 | ||||
| 2021-06-30 | $0.00 derived: 10-Q 6 month − 10-Q 3 month · filed 2022-07-28 | $47.00M 10-Q · filed 2022-07-28 | $48.00M derived: sum of 3 quarters · filed 2023-02-23 | $52.00M derived: sum of 4 quarters · filed 2023-02-23 | ||||
| 2021-03-31 | $47.00M 10-Q · filed 2022-04-28 | $48.00M derived: sum of 2 quarters · filed 2023-02-23 | $52.00M derived: sum of 3 quarters · filed 2023-02-23 | $51.00M 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 | $5.00M derived: sum of 2 quarters · filed 2023-02-23 | $4.00M derived: sum of 3 quarters · filed 2023-02-23 | $0.00 10-K · filed 2023-02-23 | ||||
| 2020-09-30 | $4.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2021-10-28 | $3.00M derived: sum of 2 quarters · filed 2021-10-28 | -$1.00M 10-Q · filed 2021-10-28 | -$800.00K 10-Q · filed 2020-10-29 | -$16.80M derived: sum of 4 quarters · filed 2022-02-23 | |||
| 2020-06-30 | -$1.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2021-07-29 | -$5.00M 10-Q · filed 2021-07-29 | -$5.30M 10-Q · filed 2020-07-31 | -$20.80M derived: sum of 3 quarters · filed 2022-02-23 | -$17.50M derived: sum of 4 quarters · filed 2022-02-23 | |||
| 2020-03-31 | -$4.00M 10-Q · filed 2021-04-29 | -$4.30M 10-Q · filed 2020-05-07 | -$19.80M derived: sum of 2 quarters · filed 2022-02-23 | -$16.50M derived: sum of 3 quarters · filed 2022-02-23 | -$15.30M derived: sum of 4 quarters · filed 2022-02-23 | |||
| 2019-12-31 | -$15.80M derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-23 | -$12.50M derived: sum of 2 quarters · filed 2022-02-23 | -$11.30M derived: sum of 3 quarters · filed 2022-02-23 | -$15.00M 10-K · filed 2022-02-23 | ||||
| 2019-09-30 | $3.30M derived: 10-Q 9 month − 10-Q 6 month · filed 2020-10-29 | $4.50M derived: sum of 2 quarters · filed 2020-10-29 | $800.00K 10-Q · filed 2020-10-29 | $7.20M derived: sum of 4 quarters · filed 2021-02-17 | ||||
| 2019-06-30 | $1.20M derived: 10-Q 6 month − 10-Q 3 month · filed 2020-07-31 | -$2.50M 10-Q · filed 2020-07-31 | $3.90M derived: sum of 3 quarters · filed 2021-02-17 | $32.10M derived: sum of 4 quarters · filed 2021-02-17 | ||||
| 2019-03-31 | -$3.70M 10-Q · filed 2020-05-07 | $2.70M derived: sum of 2 quarters · filed 2021-02-17 | $30.90M derived: sum of 3 quarters · filed 2021-02-17 | $26.80M derived: sum of 4 quarters · filed 2021-02-17 | ||||
| 2018-12-31 | $6.40M derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-17 | $34.60M derived: sum of 2 quarters · filed 2021-02-17 | $30.50M derived: sum of 3 quarters · filed 2021-02-17 | $20.00M 10-K · filed 2021-02-17 | $19.80M 10-K · filed 2019-02-22 | |||
| 2018-09-30 | $28.20M derived: 10-Q 9 month − 10-Q 6 month · filed 2019-10-25 | $24.10M derived: sum of 2 quarters · filed 2019-10-25 | $13.60M 10-Q · filed 2019-10-25 | $13.61M 10-Q · filed 2018-10-26 | $25.49M derived: sum of 4 quarters · filed 2020-02-21 | |||
| 2018-06-30 | -$4.10M derived: 10-Q 6 month − 10-Q 3 month · filed 2019-08-01 | -$14.60M 10-Q · filed 2019-08-01 | -$14.58M 10-Q · filed 2018-07-27 | -$2.71M derived: sum of 3 quarters · filed 2020-02-21 | $13.49M derived: sum of 4 quarters · filed 2020-02-21 | |||
| 2018-03-31 | -$10.50M 10-Q · filed 2019-04-26 | -$10.52M 10-Q · filed 2018-04-27 | $1.39M derived: sum of 2 quarters · filed 2020-02-21 | $17.59M derived: sum of 3 quarters · filed 2020-02-21 | $21.36M derived: sum of 4 quarters · filed 2020-02-21 | |||
| 2017-12-31 | $11.89M derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-21 | $28.09M derived: sum of 2 quarters · filed 2020-02-21 | $31.86M derived: sum of 3 quarters · filed 2020-02-21 | $31.20M 10-K · filed 2020-02-21 | $31.22M 10-K · filed 2018-02-26 | |||
| 2017-09-30 | $16.20M derived: 10-Q 9 month − 10-Q 6 month · filed 2018-10-26 | $19.96M derived: sum of 2 quarters · filed 2018-10-26 | $19.31M 10-Q · filed 2018-10-26 | $27.65M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2017-06-30 | $3.77M derived: 10-Q 6 month − 10-Q 3 month · filed 2018-07-27 | $3.11M 10-Q · filed 2018-07-27 | $11.46M derived: sum of 3 quarters · filed 2019-02-22 | $23.27M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2017-03-31 | -$656.00K 10-Q · filed 2018-04-27 | $7.69M derived: sum of 2 quarters · filed 2019-02-22 | $19.50M derived: sum of 3 quarters · filed 2019-02-22 | $19.80M derived: sum of 4 quarters · filed 2019-02-22 | ||||
| 2016-12-31 | $8.34M derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-22 | $20.16M derived: sum of 2 quarters · filed 2019-02-22 | $20.46M derived: sum of 3 quarters · filed 2019-02-22 | $18.60M 10-K · filed 2019-02-22 | $18.60M 10-K · filed 2017-02-24 | |||
| 2016-09-30 | $11.81M derived: 10-Q 9 month − 10-Q 6 month · filed 2017-10-27 | $12.11M derived: sum of 2 quarters · filed 2017-10-27 | $10.26M 10-Q · filed 2017-10-27 | $23.41M derived: sum of 4 quarters · filed 2018-07-27 | ||||
| 2016-06-30 | $301.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2017-07-28 | -$1.55M 10-Q · filed 2017-07-28 | $11.60M derived: sum of 3 quarters · filed 2018-07-27 | $23.38M derived: sum of 4 quarters · filed 2018-07-27 | ||||
| 2016-03-31 | -$1.86M 10-Q · filed 2017-04-28 | $11.30M derived: sum of 2 quarters · filed 2018-07-27 | $23.08M derived: sum of 3 quarters · filed 2018-07-27 | $23.85M derived: sum of 4 quarters · filed 2018-07-27 | ||||
| 2015-12-31 | $13.15M derived: 10-K/A 12 month − 10-Q 9 month · filed 2018-07-27 | $24.93M derived: sum of 2 quarters · filed 2018-07-27 | $25.71M derived: sum of 3 quarters · filed 2018-07-27 | $27.11M 10-K/A · filed 2018-07-27 | ||||
| 2015-09-30 | $11.78M derived: 10-Q 9 month − 10-Q 6 month · filed 2016-10-31 | $12.56M derived: sum of 2 quarters · filed 2016-10-31 | $13.96M 10-Q · filed 2016-10-31 | $13.11M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-06-30 | $778.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2016-08-04 | $2.18M 10-Q · filed 2016-08-04 | $1.33M derived: sum of 3 quarters · filed 2017-02-24 | $13.33M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2015-03-31 | $1.40M 10-Q · filed 2016-05-13 | $555.00K derived: sum of 2 quarters · filed 2017-02-24 | $12.55M derived: sum of 3 quarters · filed 2017-02-24 | $15.64M derived: sum of 4 quarters · filed 2017-02-24 | ||||
| 2014-12-31 | -$849.00K derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-24 | $11.15M derived: sum of 2 quarters · filed 2017-02-24 | $14.23M derived: sum of 3 quarters · filed 2017-02-24 | $34.70M 10-K · filed 2017-02-24 | ||||
| 2014-09-30 | $12.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2015-11-02 | $15.08M derived: sum of 2 quarters · filed 2015-11-02 | $35.55M 10-Q · filed 2015-11-02 | $31.35M derived: sum of 4 quarters · filed 2016-02-22 | ||||
| 2014-06-30 | $3.08M derived: 10-Q 6 month − 10-Q 3 month · filed 2015-08-03 | $23.55M 10-Q · filed 2015-08-03 | $19.35M derived: sum of 3 quarters · filed 2016-02-22 | $24.80M derived: sum of 4 quarters · filed 2016-02-22 | ||||
| 2014-03-31 | $20.46M 10-Q · filed 2015-05-04 | $16.26M derived: sum of 2 quarters · filed 2016-02-22 | $21.72M derived: sum of 3 quarters · filed 2016-02-22 | $25.07M derived: sum of 4 quarters · filed 2016-02-22 | ||||
| 2013-12-31 | -$4.20M derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-22 | $1.26M derived: sum of 2 quarters · filed 2016-02-22 | $4.60M derived: sum of 3 quarters · filed 2016-02-22 | $2.06M 10-K · filed 2016-02-22 | ||||
| 2013-09-30 | $5.45M derived: 10-Q 9 month − 10-Q 6 month · filed 2014-11-03 | $8.80M derived: sum of 2 quarters · filed 2014-11-03 | $6.26M 10-Q · filed 2014-11-03 | $8.79M derived: sum of 4 quarters · filed 2015-02-23 | ||||
| 2013-06-30 | $3.35M derived: 10-Q 6 month − 10-Q 3 month · filed 2014-08-04 | $806.00K 10-Q · filed 2014-08-04 | $3.33M derived: sum of 3 quarters · filed 2015-02-23 | $1.66M derived: sum of 4 quarters · filed 2015-02-23 | ||||
| 2013-03-31 | -$2.54M 10-Q · filed 2014-05-05 | -$14.00K derived: sum of 2 quarters · filed 2015-02-23 | -$1.69M derived: sum of 3 quarters · filed 2015-02-23 | -$2.81M derived: sum of 4 quarters · filed 2015-02-23 | ||||
| 2012-12-31 | $2.53M derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-23 | $856.00K derived: sum of 2 quarters · filed 2015-02-23 | -$264.00K derived: sum of 3 quarters · filed 2015-02-23 | -$3.62M 10-K · filed 2015-02-23 | ||||
| 2012-09-30 | -$1.67M derived: 10-Q 9 month − 10-Q 6 month · filed 2013-10-28 | -$2.79M derived: sum of 2 quarters · filed 2013-10-28 | -$6.15M 10-Q · filed 2013-10-28 | -$19.54M derived: sum of 4 quarters · filed 2014-02-24 | ||||
| 2012-06-30 | -$1.12M derived: 10-Q 6 month − 10-Q 3 month · filed 2013-08-05 | -$4.48M 10-Q · filed 2013-08-05 | -$17.87M derived: sum of 3 quarters · filed 2014-02-24 | -$14.24M derived: sum of 4 quarters · filed 2014-02-24 | ||||
| 2012-03-31 | -$3.36M 10-Q · filed 2013-05-06 | -$16.75M derived: sum of 2 quarters · filed 2014-02-24 | -$13.12M derived: sum of 3 quarters · filed 2014-02-24 | -$12.02M derived: sum of 4 quarters · filed 2014-02-24 | ||||
| 2011-12-31 | -$13.39M derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-24 | -$9.76M derived: sum of 2 quarters · filed 2014-02-24 | -$8.66M derived: sum of 3 quarters · filed 2014-02-24 | -$10.01M 10-K · filed 2014-02-24 | ||||
| 2011-09-30 | $3.63M derived: 10-Q 9 month − 10-Q 6 month · filed 2012-10-29 | $4.73M derived: sum of 2 quarters · filed 2012-10-29 | $3.39M 10-Q · filed 2012-10-29 | $1.50M derived: sum of 4 quarters · filed 2013-02-25 | ||||
| 2011-06-30 | $1.10M derived: 10-Q 6 month − 10-Q 3 month · filed 2012-08-06 | -$246.00K 10-Q · filed 2012-08-06 | -$2.13M derived: sum of 3 quarters · filed 2013-02-25 | -$2.92M derived: sum of 4 quarters · filed 2013-02-25 | ||||
| 2011-03-31 | -$1.35M 10-Q · filed 2012-04-30 | -$3.23M derived: sum of 2 quarters · filed 2013-02-25 | -$4.02M derived: sum of 3 quarters · filed 2013-02-25 | |||||
| 2010-12-31 | -$1.89M derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-25 | -$2.67M derived: sum of 2 quarters · filed 2013-02-25 | $3.21M 10-K · filed 2013-02-25 | |||||
| 2010-09-30 | -$785.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2011-10-31 | $5.09M 10-Q · filed 2011-10-31 | ||||||
| 2010-06-30 | $5.88M 10-Q · filed 2011-08-01 | |||||||
| 2009-12-31 | -$24.71M 10-K · filed 2012-02-27 |