Electricity rates in Rock Hill, MO
Rock Hill (4,646 people, St. Louis 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 Rock Hill
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Union Electric Co. | Investor-owned utility | 14.03¢ | $145 | 1.10M | 594 |
Power outages in St. Louis County right now
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Outage history in St. Louis County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 0 | 546 |
| Days with outages | 0 | 33 |
| Most customers out at once | 0 (0%) | 83,830 (14.1%) |
| Worst day | 2024-01-20 | 2025-03-15 |
Outage minutes by month, 2025
More outage time than 2024 (0 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Warson Woods 14.0¢
- Glendale 14.0¢
- Webster Groves 14.0¢
- Brentwood 14.0¢
- Oakland 14.0¢
- Kirkwood 14.0¢
- Shrewsbury 14.0¢
- Frontenac 14.0¢
- Ladue 14.0¢
- Maplewood 14.0¢
ZIP codes: 63119, 63124, 63144
Frequently asked questions
What is the electricity rate in Rock Hill?
Most homes in Rock Hill 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 Rock Hill?
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 Rock Hill, MO?
Union Electric Co. serves Rock Hill.
How often does the power go out in Rock Hill?
In 2025, customers in St. Louis County averaged 9 hr 6 min without power. Outages hit 33 days of the year, and the worst day was 2025-03-15, when 83,830 customers (14.1%) were out. Source: ORNL EAGLE-I.