Electricity rates in Williams Bay, WI
Williams Bay (2,600 people, Walworth County) is served by Wisconsin Power & Light Co.. Homes on Wisconsin Power & Light Co. pay about 18.86¢/kWh, 1% more than the Wisconsin average.
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Electric companies serving Williams Bay
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Wisconsin Power & Light Co. | Investor-owned utility | 18.86¢ | $131 | 441K | 96 |
Power outages in Walworth County right now
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Outage history in Walworth County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 533 | 180 |
| Days with outages | 43 | 35 |
| Most customers out at once | 13,468 (29.5%) | 3,916 (8.6%) |
| Worst day | 2024-06-23 | 2025-12-18 |
Outage minutes by month, 2025
Less outage time than 2024 (533 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Fontana 18.9¢
- Como 21.1¢
- Walworth 18.9¢
- Delavan Lake 18.9¢
- Lake Geneva 21.1¢
- Delavan 21.1¢
- Elkhorn 21.1¢
- Darien 18.9¢
- Pell Lake 18.9¢
- Sharon 18.9¢
ZIP codes: 53191
Frequently asked questions
What is the electricity rate in Williams Bay?
Most homes in Williams Bay 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¢.
What is the average electric bill in Williams Bay?
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 Williams Bay, WI?
Wisconsin Power & Light Co. serves Williams Bay.
How often does the power go out in Williams Bay?
In 2025, customers in Walworth County averaged 2 hr 60 min without power. Outages hit 35 days of the year, and the worst day was 2025-12-18, when 3,916 customers (8.6%) were out. Source: ORNL EAGLE-I.