GreyStone Power Corporation
Cooperative electric utility · Georgia · #171 of 3,199 U.S. utilities by customers · EIA utility #7090
GreyStone Power Corporation is a cooperative electric utility serving 156,150 customers in Georgia. In 2025 it sold 3,228 gigawatt-hours of electricity for $399.49M in revenue, an average realized rate of 12.38¢ per kWh across all customer classes and 12.55¢ per kWh for residential customers. Its reported service territory covers 8 counties. EIA records its activities as: distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 142,841 | 2,038 | $255.84M | 12.55¢ | |
| Commercial | 13,211 | 647 | $85.59M | 13.23¢ | |
| Industrial | 98 | 543 | $58.06M | 10.69¢ | |
| Total | 156,150 | 3,228 | $399.49M | 12.38¢ |
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 (1,189 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 141,146 | 2,883 | $289.49M | 10.39¢ |
| 2022 | 144,196 | 2,951 | $308.45M | 10.92¢ |
| 2023 | 147,547 | 2,916 | $338.44M | 11.98¢ |
| 2024 | 152,146 | 3,094 | $366.03M | 12.22¢ |
| 2025 | 156,150 | 3,228 | $399.49M | 12.55¢ |
Reliability (2025)
Average outage time (SAIDI): 241 minutes per customer per year
Average outages (SAIFI): 2.28 per customer
Average restoration time (CAIDI): 106 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: — GWh
Wholesale power purchased: 3,336 GWh
Winter peak demand: 730 MW
Energy losses: 3.1% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 99.9% of 159,364 meters
Customer-sited generation (net metering): 1,200 installations, 6.5 MW of capacity
Counties served
Bartow, GACarroll, GACobb, GACoweta, GADouglas, GAFayette, GAFulton, GAPaulding, 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¢
- 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¢
- Flint Electric Membership Corp - 98,540 customers, residential 13.41¢
All Georgia utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #7090 in the EIA frame.