Delaware Electricity Rates & Average Bill
Residential price per kWh, average monthly bill, trend, and the utilities behind the numbers — June 2026 EIA data.
The average residential electric bill in Delaware is $171.43/month at 19.29¢/kWh — the 16th highest of 51 tracked.
Where Delaware rates are heading
Residential price per kWh, last 12 months and the 5-year view.
Average bill, month by month
Last 24 months of residential bills (revenue ÷ customers).
| Month | Avg bill | Rate |
|---|---|---|
| June 2026 | $171.43 | 19.29¢/kWh |
| May 2026 | $135.94 | 19.38¢/kWh |
| April 2026 | $132.57 | 18.79¢/kWh |
| March 2026 | $171.35 | 17.64¢/kWh |
| February 2026 | $196.46 | 16.27¢/kWh |
| January 2026 | $192.83 | 16.51¢/kWh |
| December 2025 | $194.91 | 17.12¢/kWh |
| November 2025 | $133.01 | 18.81¢/kWh |
| October 2025 | $119.23 | 18.31¢/kWh |
| September 2025 | $153.23 | 18.12¢/kWh |
| August 2025 | $183.25 | 16.82¢/kWh |
| July 2025 | $207.53 | 16.58¢/kWh |
| June 2025 | $156.74 | 18.16¢/kWh |
| May 2025 | $120.16 | 18.13¢/kWh |
| April 2025 | $128.77 | 17.97¢/kWh |
| March 2025 | $156.96 | 16.71¢/kWh |
| February 2025 | $172.51 | 15.65¢/kWh |
| January 2025 | $188.95 | 15.53¢/kWh |
| December 2024 | $173.70 | 16.79¢/kWh |
| November 2024 | $116.78 | 18.22¢/kWh |
| October 2024 | $113.81 | 18.07¢/kWh |
| September 2024 | $150.58 | 16.8¢/kWh |
| August 2024 | $182.18 | 15.79¢/kWh |
| July 2024 | $196.47 | 15.61¢/kWh |
Largest utilities in Delaware
Biggest residential customer bases (EIA-861), with their annual average bill next to the state's latest month.
| Utility | Res. customers | Avg bill | Rate |
|---|---|---|---|
| Delmarva Power | 301,950 | $144.07/mo | 16.37¢/kWh |
| Delaware Electric Cooperative | 104,839 | $146.66/mo | 14.22¢/kWh |
| City of Dover - (DE) | 21,601 | $126.36/mo | 15.52¢/kWh |
| City of Newark - (DE) | 11,888 | $131.52/mo | 18.99¢/kWh |
| Town of Middletown - (DE) | 9,071 | $158.26/mo | 17.12¢/kWh |
| City of Milford - (DE) | 7,169 | $140.99/mo | 15.17¢/kWh |
| Town of Smyrna - (DE) | 5,138 | $114.49/mo | 13.94¢/kWh |
Utility figures are 2024 annual averages (EIA-861) — not directly comparable to the state's monthly figure.
Estimate your bill in Delaware
Your usage × the latest average rate. Fixed charges, demand charges, and utility-specific rates vary — this is the benchmark, not an invoice.
How Delaware compares next door
Neighboring states, latest average residential bill.
| State | Avg bill | vs Delaware |
|---|---|---|
| Maryland · side-by-side | $201.18/mo | +$29.75 vs Delaware |
| Pennsylvania · side-by-side | $170.56/mo | −$0.87 vs Delaware |
| New Jersey · side-by-side | $207.33/mo | +$35.90 vs Delaware |
Common questions
Answered from the data on this page.
What is the average electric bill in Delaware?
The average residential electric bill in Delaware was $171.43 per month as of June 2026, based on EIA retail-sales data — about $2,057.15 per year.
How much does electricity cost per kWh in Delaware?
Residential electricity in Delaware averaged 19.29¢ per kWh as of June 2026 (EIA). Rates vary by utility and season; this is the state residential average.
Why is my electric bill so high in Delaware?
Bills are usage × rate. Average residential usage in Delaware runs about 889 kWh per month; at the state average of 19.29¢/kWh that is roughly $171.43 before fixed fees and taxes. Heating or cooling months push usage — and bills — above that average.
Is electricity cheaper in neighboring states?
Neighboring states compared, average residential bill: Maryland $201.18 · Pennsylvania $170.56 · New Jersey $207.33 — versus Delaware at $171.43.
Data: EIA residential retail-sales series (Forms EIA-826/861/861M), through June 2026; utility table: EIA-861 2024 annual. Averages are computed values — see methodology. Rates change by utility, plan, and season.