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Delaware Electricity Prices

Average retail price by sector.

Residential
18.70¢ /kWh
▲ 11.2%vs. last year
Commercial
14.50¢ /kWh
▲ 14.7%vs. last year
Industrial
10.40¢ /kWh
▲ 4.9%vs. last year

Data current through August 2026 — the latest available from the U.S. EIA, which publishes monthly figures on a roughly two-month delay.

Average monthly bill

Full bill breakdown →
$167per month▲ 7.4% vs. the year before

17.97¢/kWh × 931 kWh a month. Residential revenue divided by residential customers, averaged over the 12 months to August 2026 — the 14th highest among the 50 states and DC.

Compared with the U.S. and neighboring states

Average monthly residential electricity bill, in US dollars
Delaware
$167
U.S. average
$158
Maryland
$212
Pennsylvania
$175
New Jersey
$160

Delaware is $9 a month above (+5.7%) the U.S. average of $158. Average monthly bill, September 2025 – August 2026.

How Delaware makes its electricity

Fuel mix & trend since 2001 →Power plants →
Renewable
5.1%
Carbon-free
5.1%
Largest source
Natural gas 88%
Delaware electricity generation by source, September 2025 – August 2026
SourceShareGeneration
Natural gas88.3%4,665 GWh
Coal0.0%0 GWh
Nuclear0.0%0 GWh
Wind0.1%4 GWh
Solar4.3%225 GWh
Hydro0.0%0 GWh
Other7.4%391 GWh

5.3 TWh of net generation over the 12 months to August 2026. Generation, not consumption — power crosses state lines.

Delaware electricity prices in context

Delaware's residential electricity rate in August 2026 was 18.70¢/kWh, placing it nineteenth among the 50 states and DC. This is 0.54¢/kWh above the national average of 18.16¢/kWh, or 2.9% higher. The state's rate is substantially lower than those of its three bordering states: New Jersey at 24.61¢/kWh, Pennsylvania at 21.77¢/kWh, and Maryland at 21.40¢/kWh. Commercial and industrial rates were 14.50¢/kWh and 10.40¢/kWh respectively.

Over five years, since August 2021, Delaware's rate has risen 54% from 12.14¢/kWh. Over twenty years, since August 2006, the increase has been 38.4% from 13.51¢/kWh. Since records began in January 2001, the rate has climbed 145.7% from 7.61¢/kWh. The most recent peak came in May 2026 at 19.38¢/kWh, just above the current August level. The state's record low remains the January 2001 figure of 7.61¢/kWh.

Delaware households paid an average monthly bill of $167 for 931 kWh. This is higher than the national average bill of $158 but for greater consumption; the national average monthly usage was 876 kWh. Delaware's rate of 11.2% year-over-year growth reflects an ongoing climb in electricity costs.

Written from the EIA figures on this page, covering data through August 2026.

12-month trend

ResidentialCommercialIndustrial
5¢10¢15¢20¢Sep '25Dec '25Mar '26May '26Aug '26ResidentialCommercialIndustrial

Price history since 2001

ResidentialCommercialIndustrial
0¢5¢10¢15¢20¢Jan '01Jun '07Nov '13Mar '20Aug '26ResidentialCommercialIndustrial

Average retail price in all three sectors, every month since January 2001.

Residential

Jan '01
7.61¢
Now
18.70¢
Change
▲ 145.7%
Range
7.61–19.38¢

Recent months

MonthResidentialCommercialIndustrial
August 202618.7014.5010.40
July 202618.4813.8011.71
June 202619.2914.4012.24
May 202619.3813.3910.69
April 202618.7913.309.67
March 202617.6414.1111.05
February 202616.2714.5012.67
January 202616.5113.7813.82
December 202517.1212.9110.58
November 202518.8113.129.48
October 202518.3112.509.66
September 202518.1212.578.70

Prices in ¢/kWh.

Frequently asked questions

›How much does electricity cost in Delaware?
Residential electricity in Delaware costs 18.70¢ per kilowatt-hour as of August 2026, the 19th highest rate among the 50 states and DC. Commercial customers pay 14.50¢ and industrial customers 10.40¢ per kilowatt-hour.
›Why is electricity expensive in Delaware?
Delaware's residential rate of 18.70¢/kWh is +3.5% versus the U.S. average of 18.07¢/kWh. What a household actually pays also depends on how much it uses: the typical Delaware home consumes 931 kWh a month against a national average of 876 kWh, which is why its average bill comes to $167.
›Have electricity prices in Delaware gone up?
Residential electricity in Delaware has risen 145.7% since 2001, reaching 18.70¢/kWh in August 2026. Over the last year alone the change was +11.2%.
›Is electricity cheaper in states neighboring Delaware?
Of the states bordering Delaware, New Jersey has the lowest average monthly bill at $160 and Maryland the highest at $212. Delaware averages $167 a month, against a U.S. average of $158.