Electricity rates in Chatham, IL
Chatham (12,351 people, Sangamon County) is served by Ameren Illinois Company. Homes on Ameren Illinois Company pay about 17.28¢/kWh, 8% less than the Illinois average.
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Electric companies serving Chatham
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Ameren Illinois Company | Investor-owned utility | 17.28¢ | $153 | 588K | 287 |
Power outages in Sangamon County right now
Checking live outages…
Outage history in Sangamon County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 63 | 88 |
| Days with outages | 33 | 30 |
| Most customers out at once | 7,341 (5.3%) | 5,205 (3.8%) |
| Worst day | 2024-04-04 | 2025-08-03 |
Outage minutes by month, 2025
More outage time than 2024 (63 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Southern View 17.3¢
- Auburn 17.3¢
- Jerome 17.3¢
- Leland Grove 17.3¢
- Divernon 17.3¢
- Pawnee 17.3¢
- Springfield 13.9¢
- Rochester 17.3¢
- Grandview 13.9¢
- New Berlin 17.3¢
ZIP codes: 62629
Frequently asked questions
What is the electricity rate in Chatham?
Most homes in Chatham 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¢.
What is the average electric bill in Chatham?
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 Chatham, IL?
Ameren Illinois Company serves Chatham.
How often does the power go out in Chatham?
In 2025, customers in Sangamon County averaged 88 min without power. Outages hit 30 days of the year, and the worst day was 2025-08-03, when 5,205 customers (3.8%) were out. Source: ORNL EAGLE-I.