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Delaware Electricity Prices

Average retail price by sector. Latest data: May 2026.

Residential

19.38¢ /kWh

▲ 6.9%vs. last year

Commercial

13.39¢ /kWh

▲ 8.6%vs. last year

Industrial

10.69¢ /kWh

▲ 27.3%vs. last year

Average monthly bill

Full bill breakdown →

$165per month▲ 6.5% vs. the year before

17.50¢/kWh × 941 kWh a month. Residential revenue divided by residential customers, averaged over the 12 months to May 2026 — the 13th highest among the 50 states and DC.

Compared with the U.S. and neighboring states

Average monthly residential electricity bill, in US dollars
Delaware		$165
U.S. average		$155
Maryland		$206
Pennsylvania		$172
New Jersey		$160

Delaware is $9 a month above (+6.0%) the U.S. average of $155. Average monthly bill, June 2025 – May 2026.

How Delaware makes its electricity

Fuel mix & 10-year trend →Power plants →

Renewable

4.1%

Carbon-free

4.1%

Largest source

Natural gas 89%

89%

Delaware electricity generation by source, June 2025 – May 2026
Source	Share	Generation
Natural gas	88.9%	4,892 GWh
Coal	0.0%	0 GWh
Nuclear	0.0%	0 GWh
Wind	0.1%	4 GWh
Solar	3.6%	197 GWh
Hydro	0.0%	0 GWh
Other	7.5%	412 GWh

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

Delaware electricity prices in context

Delaware's residential electricity rate stood at 19.38¢/kWh in May 2026, placing the state 19th among the most expensive in the nation. This rate ran 0.94¢/kWh above the US average of 18.44¢/kWh, a difference of 5.1%. The three bordering states all charged more: New Jersey at 23.27¢/kWh, Maryland at 21.77¢/kWh, and Pennsylvania at 21.55¢/kWh.

Over the past five years, since May 2021, Delaware's residential rate climbed 45.1%, from 13.36¢/kWh. Across two decades, since May 2006, it rose 60.2%, from 12.10¢/kWh. Looking back to the earliest records in January 2001, the increase reaches 154.7%, from 7.61¢/kWh. The May 2026 rate stands at the highest point on record; the lowest was in January 2001. Commercial and industrial rates were 13.39¢/kWh and 10.69¢/kWh respectively.

Delaware's typical monthly residential bill came to $165 for 941 kWh, compared to the national average of $155 for 871 kWh. Despite the state's rate being above average, its usage was also above the national figure, placing the monthly bill distinctly higher. Year over year, the residential rate grew 6.9%.

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

12-month trend

ResidentialCommercialIndustrial

Residential history since 2001

Jan '01: 7.61¢
Now: 19.38¢
Change: ▲ 154.7%
Range: 7.61–19.38¢

Recent months

Month	Residential	Commercial	Industrial
May 2026	19.38	13.39	10.69
April 2026	18.79	13.31	9.74
March 2026	17.64	14.11	11.05
February 2026	16.27	14.50	12.67
January 2026	16.51	13.78	13.82
December 2025	17.12	12.91	10.58
November 2025	18.81	13.12	9.48
October 2025	18.31	12.50	9.66
September 2025	18.12	12.57	8.70
August 2025	16.82	12.64	9.91
July 2025	16.58	12.54	11.09
June 2025	18.16	12.46	9.15

Prices in ¢/kWh.

Frequently asked questions

›How much does electricity cost in Delaware?

Residential electricity in Delaware costs 19.38¢ per kilowatt-hour as of May 2026, the 19th highest rate among the 50 states and DC. Commercial customers pay 13.39¢ and industrial customers 10.69¢ per kilowatt-hour.

›Why is electricity expensive in Delaware?

Delaware's residential rate of 19.38¢/kWh is +8.6% versus the U.S. average of 17.84¢/kWh. What a household actually pays also depends on how much it uses: the typical Delaware home consumes 941 kWh a month against a national average of 871 kWh, which is why its average bill comes to $165.

›Have electricity prices in Delaware gone up?

Residential electricity in Delaware has moved +154.7% since 2001, reaching 19.38¢/kWh in May 2026. Over the last year alone the change was +6.9%.

›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 $206. Delaware averages $165 a month, against a U.S. average of $155.