Northern States Power Co Electricity Rates and Average Bill (Wisconsin)

Data through April 2026 (the latest month EIA has published) · Updated July 05, 2026

As of April 2026, Northern States Power Co's residential customers in Wisconsin paid an average effective rate of 17.69¢/kWh with an average monthly bill of $105.78, per EIA Form 861-M data. That rate is 1.5¢ below the Wisconsin average of 19.21¢/kWh; the U.S. average is 18.83¢/kWh.

Average rate
17.69¢/kWh
+13.8% year over year
Average bill
$105.78
+9.7% year over year
Average usage
598 kWh/mo
vs 552 WI average
Residential customers
224,246
Investor Owned

Rate trend vs the Wisconsin average

View this chart as a table (last 12 months)
MonthRate (¢/kWh)Avg bill ($/mo)Avg usage (kWh/mo)
May 202515.8892.33582
June 202516.65116.3699
July 202516.13142.35883
August 202516.45125.59763
September 202514.4790.73627
October 202515.5398.11632
November 202515.599.64643
December 202514.94132.51887
January 202616.85155.36922
February 202617.24125.32727
March 202617.18122.0710
April 202617.69105.78598

Northern States Power Co vs Wisconsin vs the U.S.

Northern States Power CoWisconsinU.S. average
Rate (April 2026)17.69¢/kWh19.21¢/kWh18.83¢/kWh
Average monthly bill$105.78$106.13$127.71
Average monthly usage598 kWh552 kWh678 kWh
Rate change, 1 year+13.8%+5.5%+7.3%

Estimate a bill at Northern States Power Co rates

1,000 kWh × 17.69¢ ≈ $176.90

Worked example: 1,000 kWh at Northern States Power Co's average effective rate of 17.69¢/kWh is about $176.90. The utility's actual average usage is 598 kWh/month, which produces the $105.78 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.