Electricity rates in Sun Prairie, WI
Sun Prairie (32,365 people, Dane County) is served by 4 electric utilities. Homes on Wisconsin Power & Light Co. pay about 18.86¢/kWh, 1% more than the Wisconsin average.
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Electric companies serving Sun Prairie
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Wisconsin Power & Light Co. | Investor-owned utility | 18.86¢ | $131 | 441K | 96 |
| Sun Prairie Utilities | Municipal utility | 12.50¢ | $76 | 17K | 11 |
| Madison Gas & Electric Co. | Investor-owned utility | 21.25¢ | $107 | 148K | 49 |
| Adams-Columbia Electric Co-op | Electric cooperative | 19.59¢ | $126 | 36K | 108 |
Power outages in Dane County right now
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Outage history in Dane County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 199 | 85 |
| Days with outages | 29 | 16 |
| Most customers out at once | 46,973 (15.9%) | 8,497 (2.9%) |
| Worst day | 2024-05-22 | 2025-08-10 |
Outage minutes by month, 2025
Less outage time than 2024 (199 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Windsor 18.9¢
- Cottage Grove 18.9¢
- Marshall 21.1¢
- DeForest 18.9¢
- Maple Bluff 21.3¢
- Monona 21.3¢
- Waterloo 21.1¢
- Deerfield 21.1¢
- Madison 21.3¢
- Waunakee 18.9¢
ZIP codes: 53590, 53596
Frequently asked questions
What is the electricity rate in Sun Prairie?
Most homes in Sun Prairie get power from Wisconsin Power & Light Co., where residential customers pay an average of 18.86¢/kWh including all charges. The Wisconsin average is 18.74¢ and the U.S. average 17.99¢. Other utilities serving parts of Sun Prairie: Sun Prairie Utilities (12.50¢), Madison Gas & Electric Co. (21.25¢), Adams-Columbia Electric Co-op (19.59¢).
What is the average electric bill in Sun Prairie?
About $131 a month, based on 694 kWh a month (the average for Wisconsin Power & Light Co. customers) at 18.86¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Sun Prairie, WI?
4 utilities serve Sun Prairie's ZIP codes: Wisconsin Power & Light Co., Sun Prairie Utilities, Madison Gas & Electric Co., Adams-Columbia Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Sun Prairie?
In 2025, customers in Dane County averaged 85 min without power. Outages hit 16 days of the year, and the worst day was 2025-08-10, when 8,497 customers (2.9%) were out. Source: ORNL EAGLE-I.