Duke Energy Kentucky Electricity Rates and Average Bill (Kentucky)
Data through May 2026 (the latest month EIA has published) · Updated August 14, 2026
As of May 2026, Duke Energy Kentucky's residential customers in Kentucky paid an average effective rate of 15.74¢/kWh with an average monthly bill of $107.73, per EIA Form 861-M data. That rate is 0.8¢ above the Kentucky average of 14.98¢/kWh; the U.S. average is 18.44¢/kWh.
Rate trend vs the Kentucky average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| June 2025 | 12.88 | 134.23 | 1042 |
| July 2025 | 15.51 | 192.56 | 1242 |
| August 2025 | 15.26 | 159.77 | 1047 |
| September 2025 | 15.29 | 131.96 | 863 |
| October 2025 | 14.26 | 95.03 | 666 |
| November 2025 | 11.28 | 86.60 | 768 |
| December 2025 | 13.83 | 153.91 | 1113 |
| January 2026 | 14.58 | 174.51 | 1197 |
| February 2026 | 13.68 | 145.39 | 1063 |
| March 2026 | 14.35 | 103.88 | 724 |
| April 2026 | 14.02 | 95.45 | 681 |
| May 2026 | 15.74 | 107.73 | 685 |
Duke Energy Kentucky vs Kentucky vs the U.S.
| Duke Energy Kentucky | Kentucky | U.S. average | |
|---|---|---|---|
| Rate (May 2026) | 15.74¢/kWh | 14.98¢/kWh | 18.44¢/kWh |
| Average monthly bill | $107.73 | $127.90 | $135.70 |
| Average monthly usage | 685 kWh | 854 kWh | 736 kWh |
| Rate change, 1 year | +13.2% | +8.2% | +6.2% |
Estimate a bill at Duke Energy Kentucky rates
Worked example: 1,000 kWh at Duke Energy Kentucky's average effective rate of 15.74¢/kWh is about $157.40. The utility's actual average usage is 685 kWh/month, which produces the $107.73 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Kentucky rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.