Electricity rates in Buffalo Grove, IL
Buffalo Grove (41,496 people, Lake County) is served by Commonwealth Edison Co.. Homes on Commonwealth Edison Co. pay about 19.23¢/kWh, 2% more than the Illinois average.
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Electric companies serving Buffalo Grove
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Commonwealth Edison Co. | Investor-owned utility | 19.23¢ | $117 | 3.02M | 77 |
Power outages in Lake County right now
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Outage history in Lake County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 65 | 28 |
| Days with outages | 6 | 2 |
| Most customers out at once | 23,670 (4.1%) | 8,580 (1.5%) |
| Worst day | 2024-08-28 | 2025-08-17 |
Outage minutes by month, 2025
Less outage time than 2024 (65 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Wheeling 19.2¢
- Long Grove 19.2¢
- Riverwoods 19.2¢
- Lincolnshire 19.2¢
- Prospect Heights 19.2¢
- Arlington Heights 19.2¢
- Kildeer 19.2¢
- Palatine 19.2¢
- Vernon Hills 19.2¢
- Rolling Meadows 19.2¢
ZIP codes: 60089
Frequently asked questions
What is the electricity rate in Buffalo Grove?
Most homes in Buffalo Grove 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 Buffalo Grove?
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 Buffalo Grove, IL?
Commonwealth Edison Co. serves Buffalo Grove.
How often does the power go out in Buffalo Grove?
In 2025, customers in Lake County averaged 28 min without power. Outages hit 2 days of the year, and the worst day was 2025-08-17, when 8,580 customers (1.5%) were out. Source: ORNL EAGLE-I.