HomeWattCost

Evergy RS vs RTOU-2

RS and RTOU-2 cost about the same for a typical Kansas home (within $0 a year). RS 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 EvergyTariffs checked 2026-10-01Typical use 886 kWh/mo, Kansas

Head to head

ScenarioRSRTOU-2Cheaper
Typical home, per month$144$144Tie
All-in price per kWh16.2¢16.2¢Tie
Home + EV, charged at the cheapest hour$183$173RTOU-2
Home + EV, plugged in at 6 pm$183$194RS
Fixed charge$15.25$15.25

Typical home: Kansas 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 RTOU-2.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
RS$158$121$115$107$125$167$216$209$142$119$109$134
RTOU-2$150$114$109$101$122$179$229$223$154$114$103$126

RS: price by hour

July weekday.

Same price all day
15.3¢12a3a6a9a12p3p6p9p12a

RTOU-2: price by hour

July weekday.

Off-peakPeak
11.9¢31.9¢11.9¢12a3a6a9a12p3p6p9p12a

RS or RTOU-2: common questions

Is RS or RTOU-2 cheaper?

RS and RTOU-2 cost about the same for a typical Kansas home (within $0 a year). RS 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, RTOU-2 gives the lower total ($173 against $183 a month).

What is the difference between RS and RTOU-2?

RS is tiered: the price per kWh rises with monthly use, with a fixed charge of $15.25 a month. RTOU-2 is time-of-use (summer weekdays: Peak 4 pm–8 pm; lowest price 8 pm–4 pm next day), with a fixed charge of $15.25 a month.

More Evergy comparisons

How the two plans work

RS: Residential Standard Service

  • In July the first 900 kWh a month cost 14.4¢ each; then 15.3¢ above 900 kWh a month.
  • An average Kansas home (1,364 kWh in July) goes past the first tier, so extra load such as an EV is priced higher.
  • Fixed charge: $15.25 a month.

RTOU-2: Residential Time of Use, Two-Period

  • Peak 4 pm–8 pm on July weekdays; 4 of 24 hours carry the top price of 31.9¢.
  • The cheapest July weekday hour costs 11.9¢, so moving 1 kWh out of the top hours saves 20.0¢.
  • January weekdays range from 9.9¢ to 14.5¢.
  • Summer pricing applies Jun–Sep; winter pricing Oct–May.
  • Weekends differ: off-peak all day.
  • Fixed charge: $15.25 a month.

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