Independent profile. Kilowatt Atlas is not affiliated with Delmarva Power, does not use its logo or branding and cannot take payments, start service or look up accounts. Figures come from public federal data for 2025.
Residential customers
493 thousand
493,163 homes
Average price
19.69 cents
Delaware average 17.15
Average bill
$182.38
Per month at 926 kWh
Price rank
3 of 4
Lowest to highest in Delaware
Delmarva Power rates and average bill
Delmarva Power reported 460,632 residential customers on bundled service in 2025, using 926 kWh a month on average at 19.69 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 4 Delaware utilities with at least 10,000 bundled residential customers, Delmarva Power ranks 3 from the lowest price.
| Average | Cents per kWh | kWh per month | Monthly bill |
|---|---|---|---|
| Delmarva Power | 19.69 | 926 | $182.38 |
| Delaware (all utilities) | 17.15 | 920 | $157.80 |
| United States | 17.23 | 874 | $150.68 |
Another 32,531 residential customers use Delmarva Power for delivery only and buy their energy from a different supplier. EIA reports their delivery revenue at about 7.94 cents per kWh, or $70.77 a month, which does not include the supply price.
Figures cover all of Delmarva Power's states together. A utility with a large territory can have different rates in different places.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.
Service area
EIA lists the counties where Delmarva Power has distribution equipment. That covers 13 counties in Delaware, Maryland. A county can be served by more than one utility, so confirm your address with the utility or your bill.
Maryland (10 counties)
Caroline, Cecil, Dorchester, Harford, Kent, Queen Annes, Somerset, Talbot, Wicomico, Worcester
Delaware (3 counties)
Kent, New Castle, Sussex
Not sure who serves your address? Use find my electric company.
Reliability
For 2025, Delmarva Power reported an average of 66 minutes without power per customer and 0.71 interruptions per customer, with major event days left out. The typical interruption lasted about 93 minutes. For comparison, the median state averaged 127 minutes of outage per customer.
Delmarva Power had about 61 fewer minutes of outage per customer than the median state. The Delaware figure across its utilities was 71 minutes. One interruption lasting 93 minutes and 0.71 interruptions a year per customer add up to the 66 minute total.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under IEEE 1366. Utilities define events slightly differently, so compare with care.
Rate options and rooftop solar
- Time-of-use pricing. Delmarva Power does not report a residential time-of-use program in its 2025 EIA filing. Ask the utility, because programs change. How time-of-use rates work.
- Rooftop solar and net metering. EIA shows 17,741 residential net-metered systems on the Delmarva Power grid in 2025, with 152.2 megawatts of capacity. How net metering works.
Who owns and regulates it
A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. In Delaware, that review is done by the Delaware Public Service Commission.
Delmarva Power is an investor-owned utility based in Delaware, and it also reports customers in 1 other state.
Delmarva Power operates in the PJM power market. Power markets set wholesale costs, but your retail rate is set by the rules described above.
Delmarva Power compared with Delaware
By residential customers, Delmarva Power ranks 1st of the 6 utilities that report homes in Delaware, with about 63.4% of the state's homes. Delaware has too few other investor-owned utilities with reported prices to compare Delmarva Power with its type, so the state average of 17.15 cents per kWh is the fairest yardstick. At $182.38 a month, an average Delmarva Power home pays about $295 a year more than the Delaware average of $157.80, and uses 6 kWh a month more. Delmarva Power reports customers in 2 states, and this profile uses its largest, Delaware, for comparisons. 17,741 of its residential customers use net metering, or 36.0 per 1,000 homes, against 32.7 for Delaware as a whole.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in Delaware with at least 1,000 residential customers and a reported price.
Other Delaware utilities
| Utility | Type | Homes | Cents per kWh |
|---|---|---|---|
| Delmarva Power | Investor-owned | 493,163 | 19.69 |
| Delaware Electric Cooperative | Cooperative | 108,801 | 13.89 |
| City of Dover | Municipal | 21,793 | 16.16 |
| City of Newark | Municipal | 11,925 | 19.75 |
| Town of Middletown | Municipal | 9,193 | 16.64 |
| City of Milford | Municipal | 7,504 | 15.86 |
See every one on the electric companies in Delaware page.
Official site and where to get help
Kilowatt Atlas is not Delmarva Power and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.
- Want to understand a line on your bill? Read how to read your electric bill.
- Think your bill is high? Try the bill checker.
- Delaware allows retail choice in part or all of the state. See the provider guide.
Delmarva Power questions
What is the average residential electric rate for Delmarva Power?
Delmarva Power residential customers on bundled service paid an average of 19.69 cents per kWh in 2025, with average use of 926 kWh a month and an average bill of $182.38 (EIA Form EIA-861). The Delaware average was 17.15 cents.
How many customers does Delmarva Power have?
EIA reports about 493,163 residential customers for Delmarva Power in 2025.
Who regulates Delmarva Power?
A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. See the regulator for Delaware on the Delaware state page.
How reliable is Delmarva Power?
For 2025, Delmarva Power reported an average of 66 minutes of outage per customer and 0.71 interruptions per customer, excluding major event days (IEEE 1366). Utilities measure outages in slightly different ways, so compare with care.