City of Columbus - (OH)
Municipal electric utility · Ohio · #765 of 3,199 U.S. utilities by customers · EIA utility #4065
City of Columbus - (OH) is a municipal electric utility serving 18,979 customers in Ohio. In 2025 it sold 879 gigawatt-hours of electricity for $109.89M in revenue, an average realized rate of 12.51¢ per kWh across all customer classes and 12.97¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: buying transmission, distribution, wholesale marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 15,346 | 109 | $14.18M | 12.97¢ | |
| Commercial | 3,152 | 131 | $18.27M | 13.92¢ | |
| Industrial | 481 | 638 | $77.44M | 12.14¢ | |
| Total | 18,979 | 879 | $109.89M | 12.51¢ |
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 (594 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 16,858 | 830 | $87.66M | 11.58¢ |
| 2022 | 17,453 | 842 | $90.37M | 11.69¢ |
| 2023 | 18,607 | 848 | $90.54M | 11.56¢ |
| 2024 | 19,521 | 857 | $93.16M | 11.32¢ |
| 2025 | 18,979 | 879 | $109.89M | 12.97¢ |
Reliability (2025)
Average outage time (SAIDI): 141 minutes per customer per year
Average outages (SAIFI): 1.45 per customer
Average restoration time (CAIDI): 97 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: — GWh
Wholesale power purchased: 966 GWh
Winter peak demand: 158 MW
Energy losses: 6.4% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 88.9% of 19,494 meters
Customer-sited generation (net metering): 12 installations, 0.1 MW of capacity
Counties served
Franklin, 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 #4065 in the EIA frame.