HomeWattCost

Delmarva Power MD R vs R-TOU-ND

R and R-TOU-ND cost about the same for a typical Maryland home (within $26 a year). They stay within about 1% of each other at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use.

Utility Delmarva PowerTariffs checked 2026-11-03Typical use 955 kWh/mo, Maryland

Head to head

ScenarioRR-TOU-NDCheaper
Typical home, per month$234$236Tie
All-in price per kWh24.5¢24.7¢R
Home + EV, charged at the cheapest hour$298$293R-TOU-ND
Home + EV, plugged in at 6 pm$298$317R
Fixed charge$9.75$9.75

Typical home: Maryland 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 R, 12 am on R-TOU-ND.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
R$322$287$216$178$182$221$281$260$199$166$196$295
R-TOU-ND$325$291$218$181$187$220$280$259$199$169$199$300

R: price by hour

July weekday.

Same price all day
22.9¢12a3a6a9a12p3p6p9p12a

R-TOU-ND: price by hour

July weekday.

Off-peakPeak
21.8¢27.4¢21.8¢12a3a6a9a12p3p6p9p12a

R or R-TOU-ND: common questions

Is R or R-TOU-ND cheaper?

R and R-TOU-ND cost about the same for a typical Maryland home (within $26 a year). They stay within about 1% of each other 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-ND gives the lower total ($293 against $298 a month).

What is the difference between R and R-TOU-ND?

R is flat: the same price at every hour, with a fixed charge of $9.75 a month. R-TOU-ND is time-of-use (summer weekdays: Peak 2 pm–7 pm; lowest price 7 pm–2 pm next day), with a fixed charge of $9.75 a month.

More Delmarva Power comparisons

How the two plans work

R: Residential Service

  • One price per kWh at every hour: 22.9¢ in July and 23.7¢ in January.
  • Shifting use to other hours changes nothing on this plan; using less is the only lever.
  • Fixed charge: $9.75 a month.

R-TOU-ND: Optional Residential Time of Use Non Demand

  • Peak 2 pm–7 pm on July weekdays; 5 of 24 hours carry the top price of 27.4¢.
  • The cheapest July weekday hour costs 21.8¢, so moving 1 kWh out of the top hours saves 5.6¢.
  • January weekdays range from 20.2¢ to 36.2¢.
  • Summer pricing applies Jun–Sep; winter pricing Oct–May.
  • Weekends differ: off-peak all day.
  • Fixed charge: $9.75 a month.

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