Delaware electricity rates (August 2026)

Average residential and commercial electricity prices in Delaware from EIA's monthly utility survey, with the trend, the largest utilities and what power costs a typical homeowner.

Residential rate

18.70¢

▲ 11.0% vs a year agoper kWh, August 2026; ranks 19 of 51 (1 = highest)

Commercial rate

14.50¢

per kWh, August 2026

Average home bill

$167

per month over the last 12 months, about 928 kWh

U.S. residential average

18.16¢

Delaware is 3% above the U.S. average.

Find your utility's rate by ZIP

Delaware vs U.S. residential rate

Cents per kWh by month, last 36 months.

Last 12 months in Delaware

Month	Residential	Commercial	U.S. residential	Avg kWh	Avg bill
August 2026	18.70¢	14.50¢	18.16¢	1,121	$210
July 2026	18.48¢	13.80¢	18.31¢	1,070	$198
June 2026	19.29¢	14.40¢	18.34¢	889	$171
May 2026	19.38¢	13.39¢	18.44¢	702	$136
April 2026	18.79¢	13.30¢	18.86¢	706	$133
March 2026	17.64¢	14.11¢	18.60¢	971	$171
February 2026	16.27¢	14.50¢	17.65¢	1,207	$196
January 2026	16.51¢	13.80¢	17.45¢	1,167	$193
December 2025	17.16¢	13.00¢	17.11¢	1,118	$192
November 2025	18.82¢	13.15¢	17.77¢	699	$132
October 2025	18.33¢	12.53¢	17.95¢	644	$118
September 2025	18.14¢	12.60¢	18.05¢	836	$152

Largest utilities in Delaware

Residential rates for the biggest utilities in Delaware that report monthly to EIA, ordered by number of homes served, for August 2026.

Utility	Type	Rate	Avg kWh	Avg bill	Homes
Delmarva Power	Investor Owned	20.09¢	1,065	$214	281,296
Delaware Electric Cooperative	Cooperative	14.74¢	1,277	$188	110,275
City of Dover - (DE)	Municipal	17.79¢	1,031	$183	21,752
City of Newark - (DE)	Municipal	22.31¢	840	$187	12,256

What electricity adds to owning a home in Delaware

A typical Delaware home is valued at $405,061 (Zillow). With 10% down at this week's 7.24% 30-year rate, principal and interest come to about $2,484 a month. The average electric bill of $167 adds about 7% on top of that, or $2,001 a year. See Delaware property tax and closing costs or run the monthly payment.

Bills follow the seasons: in Delaware the highest-use month of the last year averaged 1,207 kWh per home and the lowest 644 kWh. Budget for the expensive months, not the average.

Common questions

What is the average electricity rate in Delaware?

Homes in Delaware paid an average of 18.70 cents per kWh in August 2026, 3% above the U.S. average of 18.16 cents (EIA Form 861M).

How much is the average electric bill in Delaware?

Over the last 12 months the average Delaware home used about 928 kWh a month and paid about $167 a month.

Have Delaware electricity rates gone up?

The residential rate is 11.0% higher than in August 2025, when it was 16.85 cents per kWh.

What do businesses pay for electricity in Delaware?

Commercial customers in Delaware paid 14.50 cents per kWh in August 2026.

Electricity rates in all statesRanked table and ZIP lookup Delaware buying costsProperty tax, transfer tax and closing costs Delaware buyer programsDown payment help where you live

Sources: U.S. Energy Information Administration (EIA), Form EIA-861M monthly sales and revenue (state and utility data, latest month August 2026; EIA marks recent months preliminary and may revise them); ZIP-to-utility map: OpenEI, U.S. Electric Utility Companies and Rates: Look-up by Zip Code (2024), CC BY 4.0. Rates are average revenue per kWh (total bill divided by kWh sold), so they include fixed and delivery charges. EIA posts each month about eight weeks after it ends; this page checks for new data every morning.