Northern States Power Co Electricity Rates and Average Bill (Wisconsin)
Data through August 2026 (the latest month EIA has published) · Updated October 31, 2026
As of August 2026, Northern States Power Co's residential customers in Wisconsin paid an average effective rate of 18.28¢/kWh with an average monthly bill of $147.99, per EIA Form 861-M data. That rate is 1.1¢ below the Wisconsin average of 19.41¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the Wisconsin average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 14.47 | 90.73 | 627 |
| October 2025 | 15.53 | 98.11 | 632 |
| November 2025 | 15.50 | 99.64 | 643 |
| December 2025 | 14.94 | 132.51 | 887 |
| January 2026 | 16.85 | 155.36 | 922 |
| February 2026 | 17.24 | 125.32 | 727 |
| March 2026 | 17.18 | 122.00 | 710 |
| April 2026 | 17.69 | 105.78 | 598 |
| May 2026 | 17.86 | 102.99 | 577 |
| June 2026 | 18.41 | 126.80 | 689 |
| July 2026 | 17.97 | 172.50 | 960 |
| August 2026 | 18.28 | 147.99 | 810 |
Northern States Power Co vs Wisconsin vs the U.S.
| Northern States Power Co | Wisconsin | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 18.28¢/kWh | 19.41¢/kWh | 18.16¢/kWh |
| Average monthly bill | $147.99 | $147.68 | $209.23 |
| Average monthly usage | 810 kWh | 761 kWh | 1152 kWh |
| Rate change, 1 year | +11.1% | +5.3% | +3.4% |
Estimate a bill at Northern States Power Co rates
Worked example: 1,000 kWh at Northern States Power Co's average effective rate of 18.28¢/kWh is about $182.80. The utility's actual average usage is 810 kWh/month, which produces the $147.99 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Wisconsin rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.