Electricity rates in Carterville, IL
Carterville (5,818 people, Williamson 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 Carterville
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Ameren Illinois Company | Investor-owned utility | 17.28¢ | $153 | 588K | 287 |
| Egyptian Electric Co-op Association | Electric cooperative | 17.21¢ | $208 | 14K | 773 |
Power outages in Williamson County right now
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Outage history in Williamson County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 246 | 879 |
| Days with outages | 37 | 54 |
| Most customers out at once | 8,670 (24.3%) | 10,894 (30.6%) |
| Worst day | 2024-05-27 | 2025-01-06 |
Outage minutes by month, 2025
More outage time than 2024 (246 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Crainville 17.3¢
- Cambria 17.3¢
- Energy 17.3¢
- Herrin 17.3¢
- Carbondale 17.3¢
- Marion 17.3¢
- Royalton 17.3¢
- De Soto 17.3¢
- Johnston City 17.3¢
- Zeigler 17.3¢
ZIP codes: 62918
Frequently asked questions
What is the electricity rate in Carterville?
Most homes in Carterville 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 Carterville: Egyptian Electric Co-op Association (17.21¢).
What is the average electric bill in Carterville?
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 Carterville, IL?
2 utilities serve Carterville's ZIP codes: Ameren Illinois Company, Egyptian Electric Co-op Association. Which one serves you depends on your street address.
How often does the power go out in Carterville?
In 2025, customers in Williamson County averaged 14 hr 39 min without power. Outages hit 54 days of the year, and the worst day was 2025-01-06, when 10,894 customers (30.6%) were out. Source: ORNL EAGLE-I.