HomeWattCost

LG&E RS vs RTOD-Energy

For a typical Kentucky home using 1,102 kWh a month, RTOD-Energy is cheaper by about $19 a year ($140 against $141 a month). RTOD-Energy is cheaper or about the same at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use.

Utility LG&ETariffs checked 2026-11-03Typical use 1,102 kWh/mo, Kentucky

Head to head

ScenarioRSRTOD-EnergyCheaper
Typical home, per month$141$140RTOD-Energy
All-in price per kWh12.8¢12.7¢RTOD-Energy
Home + EV, charged at the cheapest hour$173$165RTOD-Energy
Home + EV, plugged in at 6 pm$173$172Tie
Fixed charge$14.80$14.80

Typical home: Kentucky average use by month (EIA), shaped hour by hour (NREL ResStock), before taxes. EV: Tesla Model Y Long Range AWD, 1,000 miles a month; cheapest start any hour on RS, 12 am on RTOD-Energy.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
RS$183$170$123$108$113$144$175$171$128$111$113$159
RTOD-Energy$190$177$128$99$108$137$166$163$122$104$118$166

RS: price by hour

July weekday.

Same price all day
11.5¢12a3a6a9a12p3p6p9p12a

RTOD-Energy: price by hour

July weekday.

Off-peakPeak
9.3¢19.2¢9.3¢12a3a6a9a12p3p6p9p12a

RS or RTOD-Energy: common questions

Is RS or RTOD-Energy cheaper?

For a typical Kentucky home using 1,102 kWh a month, RTOD-Energy is cheaper by about $19 a year ($140 against $141 a month). RTOD-Energy is cheaper or about the same at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use. Adding an EV driven 1,000 miles a month and charged at each plan’s cheapest hour, RTOD-Energy gives the lower total ($165 against $173 a month).

What is the difference between RS and RTOD-Energy?

RS is flat: the same price at every hour, with a fixed charge of $14.80 a month. RTOD-Energy is time-of-use (summer weekdays: Peak 2 pm–6 pm; lowest price 6 pm–2 pm next day), with a fixed charge of $14.80 a month.

How the two plans work

RS: Residential Service

  • One price per kWh at every hour, all year: 11.5¢.
  • Shifting use to other hours changes nothing on this plan; using less is the only lever.
  • Fixed charge: $14.80 a month.

RTOD-Energy: Residential Time-of-Day Energy

  • Peak 2 pm–6 pm on July weekdays; 4 of 24 hours carry the top price of 19.2¢.
  • The cheapest July weekday hour costs 9.3¢, so moving 1 kWh out of the top hours saves 9.9¢.
  • January weekdays range from 9.3¢ to 19.2¢.
  • Weekends differ: off-peak all day.
  • Fixed charge: $14.80 a month.

Your own pattern of use decides the winner: compare every LG&E plan on your usage, or see all LG&E plans, sources and peak hours.