City of St Marys - (OH)
Municipal electric utility · Ohio · #1,652 of 3,199 U.S. utilities by customers · EIA utility #17891
City of St Marys - (OH) is a municipal electric utility serving 4,269 customers in Ohio. In 2025 it sold 175 gigawatt-hours of electricity for $19.60M in revenue, an average realized rate of 11.19¢ per kWh across all customer classes and — per kWh for residential customers. Its reported service territory covers 1 counties.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Total | 4,269 | 175 | $19.60M | 11.19¢ |
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 (— kWh/month).
This utility files the EIA-861S short form, which reports totals only - no breakdown by customer class is published for it.
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 4,258 | 188 | $19.30M | 12.65¢ |
| 2022 | 4,264 | 187 | $19.41M | 12.99¢ |
| 2023 | 4,264 | 176 | $19.05M | 13.49¢ |
| 2024 | 4,263 | 172 | $19.45M | — |
| 2025 | 4,269 | 175 | $19.60M | — |
Meters & rooftop solar (2025)
Smart (AMI) meters: 99.7% of 4,269 meters
Counties served
Auglaize, 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 #17891 in the EIA frame.