Electricity rates in Potosi, MO
Potosi (2,640 people, Washington County) is served by 3 electric utilities. Homes on Union Electric Co. pay about 14.03¢/kWh, 1% more than the Missouri average.
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Electric companies serving Potosi
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Union Electric Co. | Investor-owned utility | 14.03¢ | $145 | 1.10M | 594 |
| Black River Electric Co-op | Electric cooperative | 14.08¢ | $162 | 22K | 2,909 |
| Crawford Electric Co-op | Electric cooperative | 13.67¢ | $157 | 20K | 362 |
Power outages in Washington County right now
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Outage history in Washington County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 553 | 954 |
| Days with outages | 80 | 107 |
| Most customers out at once | 3,548 (34.9%) | 2,773 (27.3%) |
| Worst day | 2024-05-07 | 2025-02-28 |
Outage minutes by month, 2025
More outage time than 2024 (553 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Terre du Lac 14.0¢
- Leadwood 14.0¢
- Bonne Terre 14.0¢
- Bismarck 14.0¢
- Desloge 14.0¢
- Elvins 14.0¢
- Park Hills 14.0¢
- Flat River 14.0¢
- Esther 14.0¢
- De Soto 14.0¢
ZIP codes: 63664
Frequently asked questions
What is the electricity rate in Potosi?
Most homes in Potosi 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¢. Other utilities serving parts of Potosi: Black River Electric Co-op (14.08¢), Crawford Electric Co-op (13.67¢).
What is the average electric bill in Potosi?
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 Potosi, MO?
3 utilities serve Potosi's ZIP codes: Union Electric Co., Black River Electric Co-op, Crawford Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Potosi?
In 2025, customers in Washington County averaged 15 hr 54 min without power. Outages hit 107 days of the year, and the worst day was 2025-02-28, when 2,773 customers (27.3%) were out. Source: ORNL EAGLE-I.