Union Electric Co (MO) electricity rates in Missouri, 2025
Union Electric Co (MO)’s 1,100,654 residential customers paid an average of 13.26¢ per kWh in 2025, 0% below the Missouri average of 13.30¢. The typical home used 1,032 kWh a month, for an average bill of $137.
- 13.26¢avg ¢/kWh (2025)+0.70¢ (+5.6%) vs 2024
- $137Avg monthly billMissouri: $138
- 1,032 kWhAvg monthly useMissouri: 1,037 kWh
- 1,100,654Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 1,100,654 | 13,633,524 | $1,808,473,000 | 13.26¢ | 12.56¢ | +0.70¢ (+5.6%) |
| Commercial | 167,657 | 13,997,203 | $1,440,166,800 | 10.29¢ | 9.73¢ | +0.56¢ (+5.8%) |
| Industrial | 3,584 | 4,085,692 | $334,683,300 | 8.19¢ | 7.60¢ | +0.59¢ (+7.8%) |
| Transportation | 1 | 22,507 | $2,502,400 | 11.12¢ | 9.70¢ | +1.42¢ (+14.7%) |
| All sectors | 1,271,896 | 31,738,926 | $3,585,825,500 | 11.30¢ | 10.64¢ | +0.66¢ (+6.2%) |
How Union Electric Co (MO) compares
- Missouri residential average, 2025: 13.30¢ per kWh, 1,037 kWh a month, $138 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 44 full-service utilities in Missouri with at least 1,000 residential customers, Union Electric Co (MO) ranks 21 of 44 from lowest to highest average price.
- Latest monthly figure: Missouri homes paid 16.02¢ per kWh in August 2026 (preliminary), against 15.32¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 5.6%; the state average rose 3.0%.
- Union Electric Co (MO) is an investor-owned utility, a private company whose rates are set by the state utility commission. Balancing authority: MISO.
Where Union Electric Co (MO) serves
EIA lists 65 Missouri counties in its 2025 service territory: Adair, Audrain, Bollinger, Boone, Butler, Caldwell, Callaway, Camden, Cape Girardeau, Chariton, Clark, Clay, Clinton, Cole, Cooper, Crawford, Daviess, DeKalb, Dunklin, Franklin, Gasconade, Gentry, Howard, Iron, Jefferson, Knox, Lewis, Lincoln, Linn, Livingston, Macon, Madison, Maries, Marion, Miller, Mississippi, Moniteau, Monroe, Montgomery, Morgan, and 25 more.
519 ZIP codes are matched to Union Electric Co (MO) in NREL’s 2024 ZIP file: 63005, 63006, 63010, 63011, 63012, 63013, 63014, 63015, 63016, 63017, 63019, 63020, 63021, 63022, 63023, 63024, 63025, 63026, 63028, 63030, 63031, 63032, 63033, 63034, 63036, 63037, 63038, 63039, 63040, 63041, 63042, 63043, 63044, 63045, 63047, 63048, 63049, 63050, 63051, 63052, 63053, 63055, 63056, 63057, 63060, 63061, 63065, 63066, 63068, 63069, 63070, 63071, 63072, 63073, 63074, 63077, 63079, 63080, 63084, 63087, and 459 more. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
Missouri full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| Three Rivers Electric Coop | 13.03¢ | $153 | 22,757 |
| Intercounty Electric Coop Assn (MO) | 13.03¢ | $164 | 30,009 |
| Howell-Oregon Elec Coop, Inc | 13.12¢ | $150 | 23,203 |
| Crawford Electric Coop, Inc | 13.21¢ | $152 | 19,861 |
| Gascosage Electric Coop | 13.26¢ | $169 | 9,292 |
| New-Mac Electric Coop, Inc | 13.44¢ | $180 | 19,527 |
| SEMO Electric Cooperative | 13.51¢ | $188 | 10,798 |
| Consolidated Electric Coop | 13.54¢ | $180 | 7,698 |
Sources
- U.S. Energy Information Administration, Annual Electric Power Industry Report, Form EIA-861, 2025 final data (f8612025.zip, file dated October 7, 2026): Sales to Ultimate Customers, Average Monthly Bill and Service Territory tables.
- EIA Form EIA-861, 2024 final data (f8612024.zip, file dated December 4, 2025), for the 2024 comparison.
- EIA Electric Power Monthly, Table 5.6.A (average price by state, August 2026 and August 2025; 2026 values are preliminary), file dated October 22, 2026.
- National Renewable Energy Laboratory via OpenEI, U.S. Electric Utility Companies and Rates: Look-up by Zipcode (2024) (investor-owned and other utilities, files dated November 10, 2025), used only to match ZIP codes to utilities.
Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.