Sun Prairie Utilities: electric rates and average bill
Sun Prairie Utilities is a city utility that serves 17,082 homes in Wisconsin. In 2025, its average home used 611 kWh a month and paid $74.04 (12.1¢ per kWh), less than the Wisconsin average of $120.60.
- City utility
- 17,082 homes
- EIA data, 2025
Sun Prairie Utilities at a glance
| Type of utility | City utility |
|---|---|
| Homes served in Wisconsin | 17,082 |
| Average home bill | $74.04 a month (Wisconsin average $120.60) |
| Average price | 12.1¢ per kWh (Wisconsin average 18.1¢) |
| Average home use | 611 kWh a month (Wisconsin average 667) |
| Business customers | 10.5¢ per kWh, average bill $715.69 a month (1,820 businesses; Wisconsin business rates) |
| Power outages | 0.1 outages and 10 minutes without power for the average customer in a normal year; 0.1 outages and 10 minutes with major storms (fewer minutes than the middle Wisconsin utility, 22 minutes) |
| Smart meters | 100% of home meters |
| Time-based rates for homes | Time-of-use pricing; 205 homes enrolled |
| Grid | MISO region; MISO market; buys its power |
| Counties served | Dane |
Price rank: Sun Prairie Utilities has the 7th lowest average price of the 61 Wisconsin utilities with 1,000 or more homes.
Other utilities in the same counties
These utilities also serve homes in one or more of the counties of Sun Prairie Utilities. Your address has one utility: it is on your bill.
| Utility | Homes | Average bill | Price per kWh |
|---|---|---|---|
| We EnergiesBill calculator on this site | 1,056,086 | $131.37 | 20.5¢ |
| Alliant Energy (Wisconsin Power and Light)Bill calculator on this site | 440,746 | $128.22 | 18.5¢ |
| Madison Gas and ElectricBill calculator on this site | 148,482 | $106.58 | 21.1¢ |
| Adams-Columbia Electric Cooperative | 36,159 | $122.04 | 19.0¢ |
| City of Stoughton | 8,338 | $86.27 | 12.8¢ |
| Rock Energy Cooperative | 7,409 | $140.90 | 14.3¢ |
| Village of Waunakee | 6,906 | $87.54 | 12.1¢ |
| Village of Mt. Horeb | 3,644 | $89.86 | 13.0¢ |
Sun Prairie Utilities rates and your bill
This site does not have a bill calculator for Sun Prairie Utilities yet: we add a calculator only after we check every charge in the official rate schedule. The current rates are on the Sun Prairie Utilities website. The averages on this page come from the yearly report that each utility files with the U.S. Energy Information Administration (Form EIA-861, 2025 data), so they show the past year, not today's rates.
- Sun Prairie Utilities website
- State regulator: Public Service Commission of Wisconsin
- The average electric bill in Wisconsin, the average bill in each state and the ZIP code finder
Sun Prairie Utilities is the city-owned utility of Sun Prairie: see the other utilities and bills in that city.
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What is the average Sun Prairie Utilities electric bill (WI)?
In 2025, its average home used 611 kWh a month and paid $74.04 (12.1¢ per kWh), less than the Wisconsin average of $120.60.
How often does the power go out with Sun Prairie Utilities (WI)?
In 2025, the average Sun Prairie Utilities customer had 0.1 outages and 10 minutes without power, not counting major storms (0.1 outages and 10 minutes with them).
Does Sun Prairie Utilities (WI) have time-of-use rates?
Sun Prairie Utilities reported these time-based rates for homes to EIA in 2025: Time-of-use pricing; 205 homes enrolled. The rate schedules have the hours and prices.
utilityratecalc.com is not part of Sun Prairie Utilities. Source: EIA-861 data, 2025. The averages include all charges that the utility reports as revenue from homes that buy their power from it.