HomeWattCost

Duke Energy Progress RES vs R-TOU-EV

For a typical North Carolina home using 1,044 kWh a month, R-TOU-EV is cheaper by about $79 a year ($176 against $183 a month). R-TOU-EV is cheaper at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use.

Utility Duke Energy ProgressTariffs checked 2026-09-28Typical use 1,044 kWh/mo, North Carolina

Head to head

ScenarioRESR-TOU-EVCheaper
Typical home, per month$183$176R-TOU-EV
All-in price per kWh17.5¢16.9¢R-TOU-EV
Home + EV, charged at the cheapest hour$225$204R-TOU-EV
Home + EV, plugged in at 6 pm$225$222R-TOU-EV
Fixed charge$15.81$15.81

Typical home: North Carolina 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 RES, 12 am on R-TOU-EV.

R-TOU-EV is an EV or electrification rate: check the eligibility rules on Duke Energy Progress’s tariff before switching.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
RES$228$203$150$138$155$197$231$227$164$144$152$205
R-TOU-EV$218$197$143$133$151$191$223$219$158$139$145$198

RES: price by hour

July weekday.

Same price all day
16.1¢12a3a6a9a12p3p6p9p12a

R-TOU-EV: price by hour

July weekday.

Off-peakPeak
10.0¢16.6¢10.0¢12a3a6a9a12p3p6p9p12a

RES or R-TOU-EV: common questions

Is RES or R-TOU-EV cheaper?

For a typical North Carolina home using 1,044 kWh a month, R-TOU-EV is cheaper by about $79 a year ($176 against $183 a month). R-TOU-EV is cheaper 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, R-TOU-EV gives the lower total ($204 against $225 a month).

What is the difference between RES and R-TOU-EV?

RES is tiered: the price per kWh rises with monthly use, with a fixed charge of $15.81 a month. R-TOU-EV is time-of-use (summer weekdays: Peak 5 am–11 pm; lowest price 11 pm–5 am next day), with a fixed charge of $15.81 a month.

More Duke Energy Progress comparisons

How the two plans work

RES: Residential Service

  • In July every kWh costs about 16.1¢, whatever the month's use.
  • Fixed charge: $15.81 a month.

R-TOU-EV: Residential Time of Use EV

  • Peak 5 am–11 pm on July weekdays; 18 of 24 hours carry the top price of 16.6¢.
  • The cheapest July weekday hour costs 10.0¢, so moving 1 kWh out of the top hours saves 6.6¢.
  • January weekdays range from 10.0¢ to 16.6¢.
  • Fixed charge: $15.81 a month.

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