Electricity Rates in Delaware

Homes in Delaware paid an average of 18.48¢ per kWh in July 2026, about the same as the U.S. average (18.31¢). That's the 33rd lowest rate of the 50 states and DC, and 10% higher than in August 2025.

Average rate
18.48¢
per kWh, July 2026
Rank
33rd
lowest of 51
Average bill
$171.68
a month, 929 kWh

Data: EIA, July 2026. Average residential price and use.

Delaware rate over the last 12 months

15¢17.5¢20¢August 2025: 16.82¢ per kWhSeptember 2025: 18.12¢ per kWhOctober 2025: 18.31¢ per kWhNovember 2025: 18.81¢ per kWhDecember 2025: 17.12¢ per kWhJanuary 2026: 16.51¢ per kWhFebruary 2026: 16.27¢ per kWhMarch 2026: 17.64¢ per kWhApril 2026: 18.79¢ per kWhMay 2026: 19.38¢ per kWhJune 2026: 19.29¢ per kWhJuly 2026: 18.48¢ per kWhAug 2025Jul 202618.48¢
Show the monthly rates
Delaware average residential electricity rate, last 12 months
MonthCents per kWh
August 202516.82¢
September 202518.12¢
October 202518.31¢
November 202518.81¢
December 202517.12¢
January 202616.51¢
February 202616.27¢
March 202617.64¢
April 202618.79¢
May 202619.38¢
June 202619.29¢
July 202618.48¢

The rate went from 16.82¢ in August 2025 to 18.48¢ in July 2026. Rates often rise in summer, when demand peaks, so compare the same month year to year.

What appliances cost to run in Delaware

At 18.48¢ per kWh, with typical wattage and daily use, 30 days a month. Price any appliance in Delaware.

Monthly cost to run common appliances in Delaware
AppliancePer monthUse
Space heater$66.531,500 W, 8 h a day
Central air conditioner (3 ton)$155.233,500 W, 8 h a day
Window air conditioner$39.92900 W, 8 h a day
Refrigerator$6.65150 W, 8 h a day
Electric clothes dryer$12.473,000 W, 0.75 h a day
Electric water heater$74.844,500 W, 3 h a day
Dishwasher$4.991,200 W, 0.75 h a day
TV (55 inch LED)$2.77100 W, 5 h a day
Desktop computer$6.65150 W, 8 h a day
LED bulb (60 W equivalent)$0.259 W, 5 h a day

Delaware compared with nearby ranks

States with rates close to Delaware
RankStateRate
31stMinnesota17.45¢
32ndVirginia17.55¢
33rdDelaware18.48¢
34thWisconsin19.06¢
35thIllinois19.22¢

See all 50 states and DC.

About these numbers

  • The rate is the EIA's average residential price for Delaware: all residential revenue divided by kWh sold. It includes delivery charges and fees spread over every kWh.
  • Your rate depends on your utility and plan. Divide your bill's total by the kWh used to find yours.
  • The average bill uses the average monthly use over the last 12 months at the latest rate. Bills are higher in the months you heat or cool with electricity.

Questions people ask

What is the average electricity rate in Delaware?

18.48¢ per kWh for homes in July 2026, according to the U.S. Energy Information Administration. That's about the same as the U.S. average of 18.31¢ and the 33rd lowest of the 50 states and DC.

What is the average electric bill in Delaware?

About $171.68 a month: the average Delaware home uses 929 kWh a month (12-month average), at 18.48¢ per kWh. The U.S. average is about $159.30.

How much does it cost to run a space heater in Delaware?

A 1,500 W space heater costs about $0.28 an hour in Delaware, or $66.53 a month if it runs 8 hours a day.