Electricity rates in Lake Mills, IA
Lake Mills (2,060 people, Winnebago County) is served by 3 electric utilities. Homes on Interstate Power and Light Co. pay about 18.29¢/kWh, 29% more than the Iowa average.
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Electric companies serving Lake Mills
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Interstate Power and Light Co. | Investor-owned utility | 18.29¢ | $135 | 419K | 89 |
| Heartland Power Co-op | Electric cooperative | 13.22¢ | $214 | 4,357 | 117 |
| Freeborn Mower Electric Cooperative | Electric cooperative | 15.07¢ | $257 | 6 | — |
Power outages in Winnebago County right now
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Outage history in Winnebago County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 82 | 144 |
| Days with outages | 8 | 23 |
| Most customers out at once | 472 (6.5%) | 653 (9.1%) |
| Worst day | 2024-05-15 | 2025-03-28 |
Outage minutes by month, 2025
More outage time than 2024 (82 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Forest City 18.3¢
- Northwood 18.3¢
- Manly 18.3¢
- Clear Lake 18.3¢
- Garner 18.3¢
- Mason City 18.3¢
- Britt 18.3¢
- Saint Ansgar 18.3¢
- Nora Springs 18.3¢
- Rockwell 11.5¢
ZIP codes: 50450
Frequently asked questions
What is the electricity rate in Lake Mills?
Most homes in Lake Mills get power from Interstate Power and Light Co., where residential customers pay an average of 18.29¢/kWh including all charges. The Iowa average is 14.13¢ and the U.S. average 17.99¢. Other utilities serving parts of Lake Mills: Heartland Power Co-op (13.22¢), Freeborn Mower Electric Cooperative (15.07¢).
What is the average electric bill in Lake Mills?
About $135 a month, based on 739 kWh a month (the average for Interstate Power and Light Co. customers) at 18.29¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Lake Mills, IA?
3 utilities serve Lake Mills's ZIP codes: Interstate Power and Light Co., Heartland Power Co-op, Freeborn Mower Electric Cooperative. Which one serves you depends on your street address.
How often does the power go out in Lake Mills?
In 2025, customers in Winnebago County averaged 2 hr 24 min without power. Outages hit 23 days of the year, and the worst day was 2025-03-28, when 653 customers (9.1%) were out. Source: ORNL EAGLE-I.