Electricity rates in Markham, IL
Markham (12,682 people, Will County) is served by Commonwealth Edison Co.. Homes on Commonwealth Edison Co. pay about 19.23¢/kWh, 2% more than the Illinois average.
What things cost to run in Markham
Popular — tap to add, then add more to compare:
Add as many devices as you like to compare them side by side. Search again to add another, or use Duplicate to compare two settings.
Electric companies serving Markham
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Commonwealth Edison Co. | Investor-owned utility | 19.23¢ | $117 | 3.02M | 77 |
Power outages in Will County right now
Checking live outages…
Outage history in Will County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 359 | 110 |
| Days with outages | 15 | 13 |
| Most customers out at once | 62,498 (20.9%) | 14,999 (5%) |
| Worst day | 2024-07-16 | 2025-08-17 |
Outage minutes by month, 2025
Less outage time than 2024 (359 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Hazel Crest 19.2¢
- Country Club Hills 19.2¢
- Midlothian 19.2¢
- Oak Forest 19.2¢
- Posen 19.2¢
- Harvey 19.2¢
- East Hazel Crest 19.2¢
- Homewood 19.2¢
- Dixmoor 19.2¢
- Phoenix 19.2¢
ZIP codes: 60428
Frequently asked questions
What is the electricity rate in Markham?
Most homes in Markham get power from Commonwealth Edison Co., where residential customers pay an average of 19.23¢/kWh including all charges. The Illinois average is 18.79¢ and the U.S. average 17.99¢.
What is the average electric bill in Markham?
About $117 a month, based on 606 kWh a month (the average for Commonwealth Edison Co. customers) at 19.23¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Markham, IL?
Commonwealth Edison Co. serves Markham.
How often does the power go out in Markham?
In 2025, customers in Will County averaged 110 min without power. Outages hit 13 days of the year, and the worst day was 2025-08-17, when 14,999 customers (5%) were out. Source: ORNL EAGLE-I.