Northern States Power Co - Minnesota: power outages per year
In 2025 the average Northern States Power Co - Minnesota customer was without power for 2.7 hours, less than the South Dakota average of 4.5 h; up from 1.7 h in 2024. The utility served 107,525 customers in South Dakota and ranks #1 of 1 large South Dakota utilities by outage hours.
By year
| Year | Hours (with major events) | Hours (without) | Interruptions | Customers |
|---|---|---|---|---|
| 2025 | 2.7 | 1.0 | 0.9 | 107,525 |
| 2024 | 1.7 | 1.1 | 0.9 | 104,471 |
| 2023 | 1.4 | 1.4 | 0.9 | 102,649 |
| 2022 | 7.8 | 1.0 | 1.4 | 100,076 |
| 2021 | 1.7 | 1.0 | 0.7 | 97,731 |
| 2020 | 0.9 | 0.9 | 0.6 | 96,163 |
"With major events" includes storm days that utilities may exclude from their own reliability targets; it is what customers actually live through. The gap between the two columns shows how much of the year's outage time came from big storms.
Backup power for Northern States Power Co - Minnesota outages
An average outage here lasted about 3.0 hours in 2025. Size backup for the longest outage you want to ride through, not the average.
FAQ
How many hours a year are Northern States Power Co - Minnesota customers without power?
2.7 hours per customer in 2025 including major event days (1.0 h without them), as Northern States Power Co - Minnesota reported to the U.S. EIA.
How long does a typical Northern States Power Co - Minnesota outage last?
About 3.0 hours on average in 2025 (total outage minutes divided by the number of interruptions). Storms make single events much longer.
Source: U.S. EIA Form 861, Reliability file, 2020–2025. Data snapshot . Utilities ranked nationwide →