Electricity rates in Cottleville, MO
Cottleville (4,723 people, Saint Charles County) is served by Union Electric Co.. Homes on Union Electric Co. pay about 14.03¢/kWh, 1% more than the Missouri average.
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Electric companies serving Cottleville
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Union Electric Co. | Investor-owned utility | 14.03¢ | $145 | 1.10M | 594 |
Power outages in Saint Charles County right now
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Outage history in Saint Charles County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 71 | 141 |
| Days with outages | 45 | 40 |
| Most customers out at once | 6,834 (3.8%) | 9,269 (5.1%) |
| Worst day | 2024-10-16 | 2025-02-21 |
Outage minutes by month, 2025
More outage time than 2024 (71 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Weldon Spring 14.0¢
- Saint Peters 14.0¢
- Dardenne Prairie 14.0¢
- O'Fallon 14.0¢
- Chesterfield 14.0¢
- Lake Saint Louis 14.0¢
- Saint Paul 14.0¢
- Clarkson Valley 14.0¢
- Saint Charles 14.0¢
- Ellisville 14.0¢
ZIP codes: 63338
Frequently asked questions
What is the electricity rate in Cottleville?
Most homes in Cottleville get power from Union Electric Co., where residential customers pay an average of 14.03¢/kWh including all charges. The Missouri average is 13.95¢ and the U.S. average 17.99¢.
What is the average electric bill in Cottleville?
About $145 a month, based on 1,032 kWh a month (the average for Union Electric Co. customers) at 14.03¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Cottleville, MO?
Union Electric Co. serves Cottleville.
How often does the power go out in Cottleville?
In 2025, customers in Saint Charles County averaged 2 hr 21 min without power. Outages hit 40 days of the year, and the worst day was 2025-02-21, when 9,269 customers (5.1%) were out. Source: ORNL EAGLE-I.