City of Hamilton - (OH)
Municipal electric utility · Ohio · #536 of 3,199 U.S. utilities by customers · EIA utility #7977
City of Hamilton - (OH) is a municipal electric utility serving 30,162 customers in Ohio. In 2025 it sold 691 gigawatt-hours of electricity for $83.91M in revenue, an average realized rate of 12.14¢ per kWh across all customer classes and 15.49¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: generation, transmission, buying transmission, distribution, wholesale marketing, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 27,209 | 259 | $40.15M | 15.49¢ | |
| Commercial | 2,876 | 343 | $34.16M | 9.95¢ | |
| Industrial | 77 | 88.7 | $9.60M | 10.83¢ | |
| Total | 30,162 | 691 | $83.91M | 12.14¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (794 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 29,582 | 562 | $77.53M | 16.14¢ |
| 2022 | 29,601 | 590 | $77.30M | 15.93¢ |
| 2023 | 29,735 | 615 | $79.88M | 16.42¢ |
| 2024 | 29,891 | 688 | $81.46M | 15.44¢ |
| 2025 | 30,162 | 691 | $83.91M | 15.49¢ |
Reliability (2025)
Average outage time (SAIDI): 121 minutes per customer per year
Average outages (SAIFI): 1.34 per customer
Average restoration time (CAIDI): 90 minutes
As reported for Ohio under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: 10.0 GWh
Wholesale power purchased: 811 GWh
Winter peak demand: 110 MW
Energy losses: 4.8% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 30,162 meters
Counties served
Butler, OH
Other large utilities in Ohio
- Adjustment 2025 - 4,559,641 customers, residential 13.93¢
- Dynegy Energy Services, LLC - 793,547 customers, residential 9.00¢
- NextEra Energy Services, LLC - 753,301 customers, residential 9.28¢
- AEP Energy - 618,459 customers, residential 8.66¢
- Ohio Power Co - 594,848 customers, residential 18.97¢
- Energy Harbor Corp. - 410,524 customers, residential 7.89¢
- Interstate Gas Supply, Inc. - 322,025 customers, residential 11.51¢
- Duke Energy Ohio Inc - 297,189 customers, residential 16.83¢
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #7977 in the EIA frame.