Duke Energy Kentucky
Investor Owned electric utility · Kentucky · #172 of 3,199 U.S. utilities by customers · EIA utility #19446
Duke Energy Kentucky is a investor owned electric utility serving 155,775 customers in Kentucky. In 2025 it sold 4,085 gigawatt-hours of electricity for $498.94M in revenue, an average realized rate of 12.21¢ per kWh across all customer classes and 13.86¢ per kWh for residential customers. Its reported service territory covers 6 counties. EIA records its activities as: generation, transmission, buying transmission, distribution, wholesale marketing, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 140,950 | 1,566 | $217.09M | 13.86¢ | |
| Commercial | 14,541 | 1,811 | $211.41M | 11.68¢ | |
| Industrial | 284 | 708 | $70.44M | 9.95¢ | |
| Total | 155,775 | 4,085 | $498.94M | 12.21¢ |
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 (926 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 146,513 | 3,946 | $372.31M | 10.58¢ |
| 2022 | 148,900 | 3,977 | $459.16M | 13.18¢ |
| 2023 | 151,127 | 3,849 | $413.09M | 12.15¢ |
| 2024 | 154,073 | 3,975 | $471.23M | 13.44¢ |
| 2025 | 155,775 | 4,085 | $498.94M | 13.86¢ |
Reliability (2025)
Average outage time (SAIDI): 184 minutes per customer per year
Average outages (SAIFI): 0.88 per customer
Average restoration time (CAIDI): 209 minutes
As reported for Kentucky 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: 2,956 GWh
Wholesale power purchased: 2,027 GWh
Winter peak demand: 784 MW
Energy losses: 7.6% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 99.8% of 159,111 meters
Customer-sited generation (net metering): 1,052 installations, 7.9 MW of capacity
Counties served
Boone, KYCampbell, KYGallatin, KYGrant, KYKenton, KYPendleton, KY
Other large utilities in Kentucky
- Kentucky Utilities Co - 578,198 customers, residential 12.07¢
- Louisville Gas & Electric Co - 441,267 customers, residential 12.42¢
- Kentucky Power Co - 161,847 customers, residential 15.95¢
- Warren Rural Elec Coop Corp - 77,362 customers, residential 12.67¢
- South Kentucky Rural E C C - 72,111 customers, residential 13.55¢
- Owen Electric Coop Inc - 67,902 customers, residential 12.59¢
- Blue Grass Energy Coop Corp - 65,157 customers, residential 12.61¢
- Kenergy Corp - 60,030 customers, residential 16.29¢
All Kentucky utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #19446 in the EIA frame.