Delmarva Power electricity rates in Delaware, 2025
Delmarva Power’s 278,793 residential customers paid an average of 18.16¢ per kWh in 2025, 6% above the Delaware average of 17.15¢. The typical home used 890 kWh a month, for an average bill of $162.
- 18.16¢avg ¢/kWh (2025)+0.93¢ (+5.4%) vs 2024
- $162Avg monthly billDelaware: $158
- 890 kWhAvg monthly useDelaware: 920 kWh
- 278,793Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 278,793 | 2,979,085 | $541,027,900 | 18.16¢ | 17.23¢ | +0.93¢ (+5.4%) |
| Commercial | 26,520 | 843,511 | $136,119,600 | 16.14¢ | 16.54¢ | −0.40¢ (-2.4%) |
| Industrial | 31 | 15,051 | $1,106,800 | 7.35¢ | 8.85¢ | −1.50¢ (-16.9%) |
| All sectors | 305,344 | 3,837,647 | $678,254,300 | 17.67¢ | 17.04¢ | +0.64¢ (+3.7%) |
How Delmarva Power compares
- Delaware residential average, 2025: 17.15¢ per kWh, 920 kWh a month, $158 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 6 full-service utilities in Delaware with at least 1,000 residential customers, Delmarva Power ranks 5 of 6 from lowest to highest average price.
- Latest monthly figure: Delaware homes paid 18.70¢ per kWh in August 2026 (preliminary), against 16.85¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 5.4%; the state average rose 3.5%.
- Another 26,556 residential customers buy supply from a competitive supplier and pay Delmarva Power only for delivery, averaging 7.61¢ per kWh for that service.
- Delmarva Power is an investor-owned utility, a private company whose rates are set by the state utility commission. Balancing authority: PJM.
Where Delmarva Power serves
EIA lists 3 Delaware counties in its 2025 service territory: Kent, New Castle, Sussex.
86 ZIP codes are matched to Delmarva Power in NREL’s 2024 ZIP file: 19701, 19702, 19703, 19706, 19707, 19708, 19709, 19710, 19711, 19712, 19713, 19716, 19717, 19718, 19720, 19721, 19730, 19731, 19732, 19733, 19734, 19735, 19736, 19801, 19802, 19803, 19804, 19805, 19806, 19807, 19808, 19809, 19810, 19850, 19880, 19884, 19885, 19886, 19890, 19891, 19892, 19893, 19894, 19895, 19896, 19897, 19898, 19899, 19901, 19904, 19930, 19931, 19933, 19934, 19936, 19938, 19939, 19940, 19941, 19943, and 26 more. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
Delaware full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| Delaware Electric Cooperative | 13.89¢ | $146 | 108,801 |
| City of Milford (DE) | 15.86¢ | $147 | 7,504 |
| City of Dover (DE) | 16.16¢ | $131 | 21,793 |
| Town of Middletown (DE) | 16.64¢ | $152 | 9,193 |
| City of Newark (DE) | 19.75¢ | $135 | 11,925 |
Sources
- U.S. Energy Information Administration, Annual Electric Power Industry Report, Form EIA-861, 2025 final data (f8612025.zip, file dated October 7, 2026): Sales to Ultimate Customers, Average Monthly Bill and Service Territory tables.
- EIA Form EIA-861, 2024 final data (f8612024.zip, file dated December 4, 2025), for the 2024 comparison.
- EIA Electric Power Monthly, Table 5.6.A (average price by state, August 2026 and August 2025; 2026 values are preliminary), file dated October 22, 2026.
- National Renewable Energy Laboratory via OpenEI, U.S. Electric Utility Companies and Rates: Look-up by Zipcode (2024) (investor-owned and other utilities, files dated November 10, 2025), used only to match ZIP codes to utilities.
Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.