Delaware electricity rates and average bill

Residential price, August 2026

Homes in Delaware paid an average of 18.70¢ per kWh in August 2026, 3% above the U.S. average of 18.16¢. That is the 19th highest among the 50 states and D.C. The price is up 11.0% vs August 2025.

The average Delaware home12 months to August 2026
Electricity used per month
927 kWh
U.S. average home
875 kWh
Average monthly bill
$166.75

Same usage at the Aug 2026 price$173.44

Bills are revenue divided by customers, so they include the fixed charges and fees utilities collect.

Price over the last 36 months

14.9¢17.4¢19.9¢Sep 2023Mar 2025Aug 202618.70¢
DelawareU.S. average
Show the monthly numbers
MonthPrice
August 202618.70¢
July 202618.48¢
June 202619.29¢
May 202619.38¢
April 202618.79¢
March 202617.64¢
February 202616.27¢
January 202616.51¢
December 202517.16¢
November 202518.82¢
October 202518.33¢
September 202518.14¢
August 202516.85¢
July 202516.60¢
June 202518.19¢
May 202518.16¢
April 202518.00¢
March 202516.73¢
February 202515.66¢
January 202515.54¢
December 202416.79¢
November 202418.22¢
October 202418.07¢
September 202416.80¢

What everyday things cost in Delaware

At 18.70¢ per kWh, before any fixed monthly charge:

ItemEnergyCost
1,000 kWh
a round reference amount
1,000 kWh$187.00
Central air conditioner
3.5 kW running 8 hours a day for 30 days
840 kWh$157.08
Space heater
1.5 kW running 8 hours a day for 30 days
360 kWh$67.32
Electric car, 1,000 miles
3.5 miles per kWh with 10% charging losses
317 kWh$59.37
Electric clothes dryer
3 kW, twelve one-hour loads
36 kWh$6.73
LED TV
100 W for 5 hours a day for 30 days
15 kWh$2.81

Thermostat-controlled appliances cycle on and off, so real use is often lower. Price your own appliance.

Rooftop solar in Delaware

A 1 kW rooftop system near Wilmington produces about 1,364 kWh a year, according to the NLR PVWatts model. At Delaware's average price that output is worth about $255 a year per kW. A typical 7 kW system would make about 9,545 kWh, worth about $1,785 a year.

The 30% federal tax credit for solar you buy (Section 25D) ended on December 31, 2025. Work out payback with your own quote.

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Delaware compared with the South

StatePriceAverage bill
Louisiana12.87¢$158
Tennessee13.42¢$161
Kentucky13.80¢$154
Arkansas14.37¢$143
Mississippi14.43¢$174
Oklahoma14.82¢$148
North Carolina14.95¢$154
Florida14.99¢$169
South Carolina15.76¢$169
Georgia15.90¢$164
Texas15.91¢$178
West Virginia16.31¢$164
Alabama16.33¢$187
Virginia17.64¢$177
Delaware18.70¢$167
Maryland21.40¢$202
District of Columbia25.98¢$155

Source: U.S. Energy Information Administration (EIA), residential retail sales, latest month August 2026. Average bill and usage: 12 months to August 2026, computed from EIA revenue, sales and customer counts.

Solar: PVWatts v8 by the National Laboratory of the Rockies, 1 kW fixed roof system, 20° tilt, facing south, 14% losses.

How we calculate. Page updated 2026-11-15.