City of Marietta - (GA)
Municipal electric utility · Georgia · #402 of 3,199 U.S. utilities by customers · EIA utility #11646
City of Marietta - (GA) is a municipal electric utility serving 42,526 customers in Georgia. In 2025 it sold 988 gigawatt-hours of electricity for $115.49M in revenue, an average realized rate of 11.69¢ per kWh across all customer classes and 11.92¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: distribution, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 36,288 | 362 | $43.10M | 11.92¢ | |
| Commercial | 6,238 | 626 | $72.39M | 11.56¢ | |
| Total | 42,526 | 988 | $115.49M | 11.69¢ |
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 (830 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 41,670 | 980 | $111.47M | 11.65¢ |
| 2022 | 41,916 | 975 | $113.08M | 11.69¢ |
| 2023 | 42,330 | 944 | $110.59M | 11.74¢ |
| 2024 | 42,506 | 969 | $115.52M | 11.93¢ |
| 2025 | 42,526 | 988 | $115.49M | 11.92¢ |
Reliability (2025)
Average outage time (SAIDI): 106 minutes per customer per year
Average outages (SAIFI): 1.30 per customer
Average restoration time (CAIDI): 82 minutes
As reported for Georgia 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: 0.0 GWh
Wholesale power purchased: 1,410 GWh
Winter peak demand: 182 MW
Energy losses: 1.9% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 26.3% of 42,740 meters
Customer-sited generation (net metering): 42 installations, 0.3 MW of capacity
Counties served
Cobb, GA
Other large utilities in Georgia
- Georgia Power Co - 2,833,530 customers, residential 16.28¢
- Jackson Electric Member Corp - (GA) - 272,179 customers, residential 11.87¢
- Cobb Electric Membership Corp - 226,844 customers, residential 11.55¢
- Sawnee Electric Membership Corporation - 203,530 customers, residential 12.82¢
- GreyStone Power Corporation - 156,150 customers, residential 12.55¢
- Walton Electric Member Corp - 144,918 customers, residential 14.10¢
- Snapping Shoals El Member Corp - 110,819 customers, residential 12.99¢
- North Georgia Elec Member Corp - 107,195 customers, residential 12.93¢
All Georgia utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #11646 in the EIA frame.