Northern States Power Co - Minnesota
Investor Owned electric utility · Minnesota · #20 of 3,199 U.S. utilities by customers · EIA utility #13781
Northern States Power Co - Minnesota is a investor owned electric utility serving 1,594,256 customers in Minnesota, North Dakota, South Dakota. In 2025 it sold 32,716 gigawatt-hours of electricity for $4.31B in revenue, an average realized rate of 13.16¢ per kWh across all customer classes and 16.50¢ per kWh for residential customers. Its reported service territory covers 67 counties. EIA records its activities as: generation, transmission, buying transmission, distribution, wholesale marketing, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 1,420,807 | 10,814 | $1.78B | 16.50¢ | |
| Commercial | 172,923 | 14,408 | $1.81B | 12.56¢ | |
| Industrial | 525 | 7,479 | $709.51M | 9.49¢ | |
| Transportation | 1 | 14.8 | $1.87M | 12.65¢ | |
| Total | 1,594,256 | 32,716 | $4.31B | 13.16¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (634 kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| Minnesota | 1,389,331 | 28,317 | 17.07¢ |
| South Dakota | 107,985 | 2,300 | 13.13¢ |
| North Dakota | 96,940 | 2,099 | 13.54¢ |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 1,522,745 | 33,136 | $3.84B | 13.70¢ |
| 2022 | 1,538,707 | 33,396 | $4.34B | 15.20¢ |
| 2023 | 1,556,302 | 33,102 | $4.38B | 15.82¢ |
| 2024 | 1,577,476 | 32,069 | $4.21B | 16.38¢ |
| 2025 | 1,594,256 | 32,716 | $4.31B | 16.50¢ |
Reliability (2025)
Average outage time (SAIDI): 226 minutes per customer per year
Average outages (SAIFI): 1.38 per customer
Average restoration time (CAIDI): 164 minutes
As reported for Minnesota under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: 34,086 GWh
Wholesale power purchased: 17,063 GWh
Winter peak demand: 5,443 MW
Energy losses: 0.7% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 99.2% of 1,623,738 meters
Customer-sited generation (net metering): 18,003 installations, 234.5 MW of capacity
Counties served
Anoka, MNBenton, MNBlue Earth, MNBrown, MNCarver, MNCass, NDChippewa, MNChisago, MNClay, MNDakota, MNDodge, MNDouglas, MNFaribault, MNFreeborn, MNGoodhue, MNGrand Forks, NDHanson, SDHennepin, MNHouston, MNHutchinson, SDKandiyohi, MNLac Qui Parle, MNLake, SDLe Sueur, MNLincoln, MNLincoln, SDLyon, MNMcCook, SDMcHenry, NDMcLeod, MNMeeker, MNMiner, SDMinnehaha, SDMoody, SDMower, MNMurray, MNNicollet, MNNobles, MNNorman, MNOlmsted, MNPine, MNPipestone, MNPolk, MNPope, MNRamsey, MNRedwood, MNRenville, MNRice, MNRock, MNSanborn, SDScott, MNSherburne, MNSibley, MNStearns, MNSteele, MNTodd, MNTraill, NDTurner, SDWabasha, MNWard, ND + 7 more counties
Other large utilities in Minnesota
- ALLETE, Inc. - 153,192 customers, residential 15.86¢
- Connexus Energy - 148,716 customers, residential 14.11¢
- Otter Tail Power Co - 134,544 customers, residential 11.19¢
- Dakota Electric Association - 117,913 customers, residential 15.63¢
- East Central Energy - 68,154 customers, residential 17.60¢
- Rochester Public Utilities - 60,963 customers, residential 18.58¢
- Wright-Hennepin Coop Elec Assn - 57,130 customers, residential 15.00¢
- Lake Country Power - 51,603 customers, residential 18.34¢
All Minnesota utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #13781 in the EIA frame.