Electricity rates in Mason City, IL
Mason City (2,180 people, Mason County) is served by 2 electric utilities. Homes on Ameren Illinois Company pay about 17.28¢/kWh, 8% less than the Illinois average.
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Electric companies serving Mason City
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Ameren Illinois Company | Investor-owned utility | 17.28¢ | $153 | 588K | 287 |
| Menard Electric Co-op | Electric cooperative | 20.65¢ | $211 | 9,036 | 186 |
Power outages in Mason County right now
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Outage history in Mason County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 299 | 231 |
| Days with outages | 23 | 21 |
| Most customers out at once | 974 (20.1%) | 934 (19.3%) |
| Worst day | 2024-07-16 | 2025-07-19 |
Outage minutes by month, 2025
Less outage time than 2024 (299 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Delavan 17.3¢
- Petersburg 17.3¢
- Manito 17.3¢
- Athens 17.3¢
- Lincoln 17.3¢
- Williamsville 17.3¢
- Havana 17.3¢
- South Pekin 17.3¢
- Sherman 17.3¢
- Atlanta 17.3¢
ZIP codes: 62664
Frequently asked questions
What is the electricity rate in Mason City?
Most homes in Mason City get power from Ameren Illinois Company, where residential customers pay an average of 17.28¢/kWh including all charges. The Illinois average is 18.79¢ and the U.S. average 17.99¢. Other utilities serving parts of Mason City: Menard Electric Co-op (20.65¢).
What is the average electric bill in Mason City?
About $153 a month, based on 888 kWh a month (the average for Ameren Illinois Company customers) at 17.28¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Mason City, IL?
2 utilities serve Mason City's ZIP codes: Ameren Illinois Company, Menard Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Mason City?
In 2025, customers in Mason County averaged 3 hr 51 min without power. Outages hit 21 days of the year, and the worst day was 2025-07-19, when 934 customers (19.3%) were out. Source: ORNL EAGLE-I.