Delaware electricity rates
Delaware homes paid 18.7¢ per kWh in August 2026 — +11% from a year earlier. That is #33 cheapest of 51; the U.S. average was 18.2¢.
Delaware electricity price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the South Atlantic region, which includes Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia.
Utilities in Delaware
7 utilities · 4 report monthlyMonthly home price by utility
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| │ = DE average, same period | |||||
|---|---|---|---|---|---|
| Delmarva Power Investor Owned · monthly data |
19.1¢Jan–Aug 2026 |
+5.5% | +11% | $152 | 301,950 |
| Delaware Electric Cooperative Cooperative · monthly data |
14.5¢Jan–Aug 2026 |
-19.8% | +2.3% | $147 | 104,839 |
| City of Dover (DE) Municipal · monthly data |
17.3¢Jan–Aug 2026 |
-4.7% | +11.3% | $126 | 21,601 |
| Adjustment 2024 |
16.9¢2024 |
+0.9% | — | $179 | 13,026 |
| City of Newark (DE) Municipal · monthly data |
21.9¢Jan–Aug 2026 |
+20.7% | +15.2% | $132 | 11,888 |
| Town of Middletown (DE) Municipal |
17.1¢2024 |
+2.3% | — | $158 | 9,071 |
| City of Milford (DE) Municipal |
15.2¢2024 |
-9.4% | — | $141 | 7,169 |
Bars: average home price (same color scale as the map). The thin line and “vs. DE avg.” use the Delaware average of the same period — 2024 for yearly figures, 2026 so far for monthly ones. “vs. 2024” compares this year’s monthly average with the 2024 annual average. Click a column header to sort. Small utilities that report only totals are left out.
All ZIP codes in Delaware
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions
What is the average electricity rate in Delaware?
18.7¢ per kWh for residential customers in August 2026 (EIA-861M, preliminary); the 12-month average is 18.1¢.
How does Delaware compare with other states?
Delaware ranks #33 cheapest of 51 states and D.C. The U.S. average was 18.2¢ in August 2026.
Which utility in Delaware has the lowest rates?
Among the larger utilities (over 10,000 homes), Delaware Electric Cooperative averaged 14.2¢ per kWh in 2024. Rates depend on the plan; check the utility’s tariff.