City of Bay City - (MI)
Municipal electric utility · Michigan · #728 of 3,199 U.S. utilities by customers · EIA utility #1366
City of Bay City - (MI) is a municipal electric utility serving 20,329 customers in Michigan. In 2025 it sold 316 gigawatt-hours of electricity for $51.28M in revenue, an average realized rate of 16.25¢ per kWh across all customer classes and 15.34¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: generation, buying transmission, distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 17,994 | 129 | $19.79M | 15.34¢ | |
| Commercial | 2,202 | 133 | $25.05M | 18.83¢ | |
| Industrial | 133 | 53.5 | $6.43M | 12.03¢ | |
| Total | 20,329 | 316 | $51.28M | 16.25¢ |
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 (598 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 20,218 | 306 | $40.89M | 14.29¢ |
| 2022 | 20,295 | 313 | $46.88M | 16.01¢ |
| 2023 | 20,343 | 303 | $44.62M | 15.92¢ |
| 2024 | 20,366 | 309 | $50.22M | 15.35¢ |
| 2025 | 20,329 | 316 | $51.28M | 15.34¢ |
Reliability (2025)
Average outage time (SAIDI): 109 minutes per customer per year
Average outages (SAIFI): 0.86 per customer
Average restoration time (CAIDI): 126 minutes
As reported for Michigan 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: 1.9 GWh
Wholesale power purchased: 341 GWh
Winter peak demand: 50 MW
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 20,329 meters
Customer-sited generation (net metering): 31 installations, 0.5 MW of capacity
Counties served
Bay, MI
Other large utilities in Michigan
- DTE Electric Company - 2,290,492 customers, residential 20.25¢
- Consumers Energy Co - (MI) - 1,900,985 customers, residential 20.66¢
- Great Lakes Energy Coop - 135,145 customers, residential 20.32¢
- City of Lansing - (MI) - 98,331 customers, residential 19.44¢
- Upper Peninsula Power Company - 53,997 customers, residential 27.98¢
- Cloverland Electric Co-op - 44,010 customers, residential 14.27¢
- Cherryland Electric Coop Inc - 39,114 customers, residential 17.29¢
- Upper Michigan Energy Resources Corp. - 37,420 customers, residential 17.46¢
All Michigan utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #1366 in the EIA frame.