City of Westerville - (OH)
Municipal electric utility · Ohio · #790 of 3,199 U.S. utilities by customers · EIA utility #20477
City of Westerville - (OH) is a municipal electric utility serving 18,069 customers in Ohio. In 2025 it sold 452 gigawatt-hours of electricity for $60.18M in revenue, an average realized rate of 13.33¢ per kWh across all customer classes and 14.46¢ per kWh for residential customers. Its reported service territory covers 2 counties. EIA records its activities as: transmission, distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 15,791 | 177 | $25.63M | 14.46¢ | |
| Commercial | 2,277 | 258 | $32.82M | 12.74¢ | |
| Industrial | 1 | 16.7 | $1.73M | 10.33¢ | |
| Total | 18,069 | 452 | $60.18M | 13.33¢ |
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 (935 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 17,858 | 480 | $52.78M | 12.40¢ |
| 2022 | 17,932 | 475 | $55.54M | 13.27¢ |
| 2023 | 17,942 | 447 | $51.86M | 13.01¢ |
| 2024 | 17,966 | 450 | $55.64M | 13.19¢ |
| 2025 | 18,069 | 452 | $60.18M | 14.46¢ |
Reliability (2025)
Average outage time (SAIDI): 25 minutes per customer per year
Average outages (SAIFI): 0.29 per customer
Average restoration time (CAIDI): 85 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: 481 GWh
Winter peak demand: 86 MW
Energy losses: 2.8% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 18,069 meters
Customer-sited generation (net metering): 123 installations, 4.6 MW of capacity
Counties served
Delaware, OHFranklin, 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 #20477 in the EIA frame.