Electricity rates in Johnston City, IL
Johnston City (3,500 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 Johnston City
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Ameren Illinois Company | Investor-owned utility | 17.28¢ | $153 | 588K | 287 |
| Southeastern IL Electric Co-op | Electric cooperative | 15.71¢ | $192 | 23K | 2,214 |
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
- West Frankfort 17.3¢
- Herrin 17.3¢
- Marion 17.3¢
- Energy 17.3¢
- Zeigler 17.3¢
- Crainville 17.3¢
- Carterville 17.3¢
- Cambria 17.3¢
- Royalton 17.3¢
- Benton 17.3¢
ZIP codes: 62951
Frequently asked questions
What is the electricity rate in Johnston City?
Most homes in Johnston 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 Johnston City: Southeastern IL Electric Co-op (15.71¢).
What is the average electric bill in Johnston 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 Johnston City, IL?
2 utilities serve Johnston City's ZIP codes: Ameren Illinois Company, Southeastern IL Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Johnston City?
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.