Delaware vs New Jersey: Electricity Rates & Average Bills

Side-by-side residential bills, cents-per-kWh, usage and 12-month trends — June 2026 EIA data.

Data through June 2026 EIA-826, verified Oct 11, 2026

The average residential bill in New Jersey ($207.33/mo) runs $35.90/mo (21%) higher than Delaware ($171.43/mo).

Delaware bill$171.43/mo#16 highest of 51 New Jersey bill$207.33/mo#4 highest of 51 US context$164.05/mostates median

The numbers, side by side

Latest month from EIA residential retail-sales data, plus each state's rank among tracked states.

MeasureDelawareNew Jersey
Avg monthly bill $171.43 $207.33
Price per kWh 19.29¢ 24.95¢
Typical usage 889 kWh/mo 831 kWh/mo
Bill rank Highest: #16 · Price: #18 Highest: #4 · Price: #9
Bill, 12-mo change −17.4% −27.7%

Delaware bill trend

Average residential bill, last 12 months.

Delaware average bill (12 months) ▼ 17.4% over Jul 25–Jun 26
Delaware average bill (12 months) $119 $163 $208 $171 Jul 25 Jun 26

New Jersey bill trend

Average residential bill, last 12 months.

New Jersey average bill (12 months) ▼ 27.7% over Jul 25–Jun 26
New Jersey average bill (12 months) $109 $198 $287 $207 Jul 25 Jun 26

Common questions

Is Delaware or New Jersey more expensive for electricity?

New Jersey is — the average residential bill there is $35.90/month higher than Delaware's ($171.43/month).

How much bigger is New Jersey's bill than Delaware's?

About 21% higher — $207.33 vs $171.43 per month in the latest EIA data.

Bill = residential revenue ÷ customers; price = revenue ÷ sales. See the methodology and each state's page: Delaware · New Jersey.