Electricity rates in Janesville, WI
Janesville (64,123 people, Rock County) is served by 3 electric utilities. Homes on Wisconsin Power & Light Co. pay about 18.86¢/kWh, 1% more than the Wisconsin average.
What things cost to run in Janesville
Popular — tap to add, then add more to compare:
Add as many devices as you like to compare them side by side. Search again to add another, or use Duplicate to compare two settings.
Electric companies serving Janesville
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Wisconsin Power & Light Co. | Investor-owned utility | 18.86¢ | $131 | 441K | 96 |
| Rock Energy Cooperative | Electric cooperative | 14.77¢ | $145 | 7,409 | 56 |
| Wisconsin Electric Power Co. | Investor-owned utility | 21.15¢ | $135 | 1.06M | 185 |
Power outages in Rock County right now
Checking live outages…
Outage history in Rock County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 204 | 110 |
| Days with outages | 37 | 37 |
| Most customers out at once | 12,673 (22.5%) | 2,902 (5.1%) |
| Worst day | 2024-07-15 | 2025-10-20 |
Outage minutes by month, 2025
Less outage time than 2024 (204 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Milton 21.1¢
- Edgerton 18.9¢
- Clinton 18.9¢
- Beloit 18.9¢
- Orfordville 18.9¢
- Richmond 14.8¢
- Evansville 18.9¢
- Lake Koshkonong 21.1¢
- Darien 18.9¢
- Whitewater 21.1¢
ZIP codes: 53545, 53546, 53547, 53548
Frequently asked questions
What is the electricity rate in Janesville?
Most homes in Janesville 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 Janesville: Rock Energy Cooperative (14.77¢), Wisconsin Electric Power Co. (21.15¢).
What is the average electric bill in Janesville?
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 Janesville, WI?
3 utilities serve Janesville's ZIP codes: Wisconsin Power & Light Co., Rock Energy Cooperative, Wisconsin Electric Power Co.. Which one serves you depends on your street address.
How often does the power go out in Janesville?
In 2025, customers in Rock County averaged 110 min without power. Outages hit 37 days of the year, and the worst day was 2025-10-20, when 2,902 customers (5.1%) were out. Source: ORNL EAGLE-I.