Electricity rates in Lake Koshkonong, WI
Lake Koshkonong (1,204 people, Jefferson County) is served by 3 electric utilities. Homes on Wisconsin Electric Power Co. pay about 21.15¢/kWh, 13% more than the Wisconsin average.
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Electric companies serving Lake Koshkonong
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Wisconsin Electric Power Co. | Investor-owned utility | 21.15¢ | $135 | 1.06M | 185 |
| Wisconsin Power & Light Co. | Investor-owned utility | 18.86¢ | $131 | 441K | 96 |
| Rock Energy Cooperative | Electric cooperative | 14.77¢ | $145 | 7,409 | 56 |
Power outages in Jefferson County right now
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Outage history in Jefferson County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 269 | 322 |
| Days with outages | 43 | 42 |
| Most customers out at once | 13,807 (40%) | 7,953 (23%) |
| Worst day | 2024-05-29 | 2025-03-15 |
Outage minutes by month, 2025
More outage time than 2024 (269 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Fort Atkinson 21.1¢
- Lake Ripley 21.1¢
- Cambridge 21.1¢
- Jefferson 21.1¢
- Edgerton 18.9¢
- Milton 21.1¢
- Whitewater 21.1¢
- Aztalan 21.1¢
- Lake Mills 21.1¢
- Deerfield 21.1¢
ZIP codes: 53538
Frequently asked questions
What is the electricity rate in Lake Koshkonong?
Most homes in Lake Koshkonong get power from Wisconsin Electric Power Co., where residential customers pay an average of 21.15¢/kWh including all charges. The Wisconsin average is 18.74¢ and the U.S. average 17.99¢. Other utilities serving parts of Lake Koshkonong: Wisconsin Power & Light Co. (18.86¢), Rock Energy Cooperative (14.77¢).
What is the average electric bill in Lake Koshkonong?
About $135 a month, based on 640 kWh a month (the average for Wisconsin Electric Power Co. customers) at 21.15¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Lake Koshkonong, WI?
3 utilities serve Lake Koshkonong's ZIP codes: Wisconsin Electric Power Co., Wisconsin Power & Light Co., Rock Energy Cooperative. Which one serves you depends on your street address.
How often does the power go out in Lake Koshkonong?
In 2025, customers in Jefferson County averaged 5 hr 22 min without power. Outages hit 42 days of the year, and the worst day was 2025-03-15, when 7,953 customers (23%) were out. Source: ORNL EAGLE-I.