Aiken Electric Coop Inc
Cooperative electric utility · South Carolina · #341 of 3,199 U.S. utilities by customers · EIA utility #162
Aiken Electric Coop Inc is a cooperative electric utility serving 54,255 customers in South Carolina. In 2025 it sold 1,043 gigawatt-hours of electricity for $157.12M in revenue, an average realized rate of 15.06¢ per kWh across all customer classes and 17.51¢ per kWh for residential customers. Its reported service territory covers 9 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 | 50,850 | 671 | $117.44M | 17.51¢ | |
| Commercial | 3,389 | 145 | $21.05M | 14.56¢ | |
| Industrial | 16 | 228 | $18.62M | 8.17¢ | |
| Total | 54,255 | 1,043 | $157.12M | 15.06¢ |
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 (1,099 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 50,389 | 923 | $110.93M | 13.64¢ |
| 2022 | 50,951 | 945 | $121.89M | 14.61¢ |
| 2023 | 51,929 | 907 | $125.75M | 15.98¢ |
| 2024 | 52,839 | 994 | $134.12M | 15.53¢ |
| 2025 | 54,255 | 1,043 | $157.12M | 17.51¢ |
Reliability (2025)
Average outage time (SAIDI): 189 minutes per customer per year
Average outages (SAIFI): — per customer
Average restoration time (CAIDI): — minutes
As reported for South Carolina 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: 1,090 GWh
Winter peak demand: 282 MW
Energy losses: 4.2% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 54,255 meters
Customer-sited generation (net metering): 411 installations, 4.3 MW of capacity
Counties served
Aiken, SCBarnwell, SCCalhoun, SCEdgefield, SCGreenwood, SCLexington, SCMcCormick, SCOrangeburg, SCSaluda, SC
Other large utilities in South Carolina
- Dominion Energy South Carolina, Inc - 824,270 customers, residential 16.41¢
- South Carolina Public Service Authority - 219,897 customers, residential 12.91¢
- Berkeley Electric Coop Inc - 138,073 customers, residential 16.32¢
- Horry Electric Coop Inc - 103,949 customers, residential 13.83¢
- Palmetto Electric Coop Inc - 81,863 customers, residential 14.39¢
- Blue Ridge Electric Coop Inc - (SC) - 74,014 customers, residential 19.82¢
- York Electric Coop Inc - 71,541 customers, residential 13.68¢
- Laurens Electric Coop, Inc - 66,192 customers, residential 15.62¢
All South Carolina utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #162 in the EIA frame.