Electricity in Butler County, Ohio
4 electric utilities serve homes in Butler County, Ohio: Duke Energy Ohio, AES Ohio, City of Hamilton and Butler Rural Electric Cooperative. In 2025, the average home bill of these utilities was $122.97 (City of Hamilton) to $256.15 (Butler Rural Electric Cooperative) a month. This page covers 3 cities with 25,000 or more people in the county, from Hamilton to Fairfield.
- 3 cities
- 4 utilities
- EIA and Census data, 2025
Electric utilities in Butler County
EIA lists utilities by county, not by address. Your address has one utility: its name is on your bill, or type your ZIP code in the utility finder.
| Utility | Homes in Ohio | Average bill 2025 | 1,000 kWh now |
|---|---|---|---|
| Duke Energy OhioInvestor-owned utility | 700,265 | $154.05916 kWh, 16.8¢ | — |
| AES OhioInvestor-owned utility · bill calculator | 469,317 | $158.08980 kWh, 16.1¢ | $209.84 |
| City of HamiltonCity utility | 27,209 | $122.97794 kWh, 15.5¢ | — |
| Butler Rural Electric CooperativeElectric cooperative | 11,531 | $256.151,389 kWh, 18.4¢ | — |
The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861). The Ohio average was $147.74 a month.
Cities in Butler County
| City | People | City-owned utility | Solar kWh a year per kW |
|---|---|---|---|
| Hamilton | 64,644 | City of Hamilton | 1,327 |
| Middletown | 52,146 | — | 1,325 |
| Fairfield | 44,682 | — | 1,338 |
A city-owned utility is a municipal utility in the county with the city's name (EIA data). Solar output: PVWatts version 8 for a south-facing roof; see the solar savings calculator.
More about Ohio: Ohio electric rates, all Ohio utilities, home energy rebates and natural gas bills.
Who provides electricity in Butler County?
4 electric utilities serve homes in Butler County, Ohio: Duke Energy Ohio, AES Ohio, City of Hamilton and Butler Rural Electric Cooperative. The name of your utility is on your bill.
Which cities in Butler County are on this page?
Hamilton, Middletown and Fairfield.
Sources: EIA-861 data, 2025 (utilities by county, homes and average bills); Census Bureau city population estimates, Vintage 2025; PVWatts (National Laboratory of the Rockies).