Electricity rates — Kentucky Utilities Co
A household served by Kentucky Utilities Co using 1,000 kWh a month pays about $1,848.09 a year on the cheapest of 3 generally available plans — Residential Time-of-Day Demand Service from Kentucky Utilities Co, in effect since March 2025. Rates checked September 23, 2026.
Every priced plan, 1,000 kWh/mo
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| Residential Time-of-Day Demand Service✓ cheapestdemand charge · in effect since March 2025 | $1,848.09 | — | 15.4¢ |
| Residential Time-of-Day Energy Servicetime-of-use · in effect since March 2025 | $2,680.30 | +$832.21 | 22.3¢ |
| Residential Serviceflat rate · in effect since March 2025 | $2,776.77 | +$928.68 | 23.1¢ |
Cost across usage levels
The cheapest plan at each consumption level, showing whether the ranking holds as usage changes.
- 500 kWh/mo — cheapest $1,006.25 (Residential Time-of-Day Demand Service), dearest $1,470.57, a $464.32 spread
- 1,000 kWh/mo — cheapest $1,848.09 (Residential Time-of-Day Demand Service), dearest $2,776.77, a $928.68 spread
- 2,000 kWh/mo — cheapest $3,531.93 (Residential Time-of-Day Demand Service), dearest $5,389.29, a $1,857.36 spread
What a typical bill costs
At 1,000 kWh a month the 3 generally available plans here run from $1,848.09 on Residential Time-of-Day Demand Service to $2,776.77 on Residential Service, with a median of $2,680.30.
Effective rates, bill divided by kilowatt-hours, span 15.4¢ to 23.1¢ per kWh at that usage.
How it compares
Among the 109 utilities indexed, Kentucky Utilities Co's cheapest open plan is the 36th-highest, 12% more than their median of $1,649.16. It sits between Wisconsin Public Service Corp ($1,835.75) and Wisconsin Power & Light Co ($1,863.82).
None of Kentucky Utilities Co's plans open to any household has a tiered step or a seasonal price in this data: a kWh costs the same however much is used and whatever the month.
How the answer changes with usage
Residential Time-of-Day Demand Service is cheapest at every level tested — $1,006.25 a year at 500 kWh a month, $3,531.93 at 2,000 kWh.
The penalty for a poor choice grows with usage: $464.32 a year at 500 kWh against $1,857.36 at 2,000 kWh.
Cheapest 3 plans at 1,000 kWh a month
Residential Time-of-Day Demand Service — $1,848.09 a year, 15.4¢ per kWh effective, demand-charged. It carries a $0.45 daily standing charge. In effect since March 2025.
Residential Time-of-Day Energy Service — $2,680.30 a year, 22.3¢ per kWh effective, time-of-use. It carries a $0.45 daily standing charge. In effect since March 2025.
Residential Service — $2,776.77 a year, 23.1¢ per kWh effective, flat rate. It carries a $0.45 daily standing charge. In effect since March 2025.
How these plans are structured
Of 3 priceable plans: 1 time-of-use, 1 with demand charges, 1 flat-rate.
Every plan carries a $13.50 fixed monthly charge.
Who provides these plans
3 of Kentucky Utilities Co's 3 published residential schedules can be priced. EIA-861 lists it serving homes in more than one state and its URDB record does not say which these schedules are for, so it appears on no state page.
The largest saving available here
Moving from Residential Service to Residential Time-of-Day Demand Service saves $928.68 a year at 1,000 kWh a month, with no change in consumption.
What this does not cover
One of these plans prices by the hour, so its figure is marked lower confidence.
New to these terms? The methodology page explains tiered bands, time-of-use periods and fixed charges, and sets out exactly what the rate engine assumes.
Estimate — your actual bill may differ.
Tariff structures from NREL/OpenEI Utility Rate Database (CC0 1.0), retrieved September 23, 2026.