18.16¢
per kWh, 2025
[ Delmarva Power / DE ]
Delmarva Power electricity rates in Delaware
NO RATE CASE ON FILE · DATA 2025
change in average rate, 2024→2025
+5.4%
vs 2024
305,349
residential customers
+47.8%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at Delmarva Power's average effective residential rate (18.16¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 13.70¢ | — | 274,557 |
| 2016 | 13.68¢ | −0.1% | 277,835 |
| 2017 | 13.78¢ | +0.7% | 280,473 |
| 2018 | 12.51¢ | −9.2% | 283,583 |
| 2019 | 12.36¢ | −1.2% | 286,569 |
| 2020 | 12.29¢ | −0.6% | 289,960 |
| 2021 | 12.41¢ | +1.0% | 293,095 |
| 2022 | 13.38¢ | +7.8% | 296,170 |
| 2023 | 15.73¢ | +17.6% | 299,136 |
| 2024 | 17.23¢ | +9.5% | 301,950 |
| 2025 | 18.16¢ | +5.4% | 305,349 |
How this compares
17.15¢
Delaware average, 2025
+5.9%
Delmarva Power vs DE 2025 average
+5.4%
vs US 2025 average
#2
priciest in DE
Serves 3 counties in Delaware: Kent, New Castle, Sussex. 86 ZIP codes.
Questions
Is Delmarva Power raising rates in 2026?
No rate case for Delmarva Power is on file with the Delaware Public Service Commission in our tracker. Its average residential rate moved +5.4% from 2024 to 2025. We check the commission docket monthly.
What does Delmarva Power charge per kWh?
Delmarva Power's average effective residential rate was 18.16¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). Delaware's 2025 average was 17.15¢.
How much have Delmarva Power rates gone up in five years?
+47.8% between 2020 and 2025, against +56.1% for Delaware as a whole over the latest five-year window.
How many customers does Delmarva Power have in Delaware?
305,349 residential customers in 2025, across 3 counties including Kent, New Castle, Sussex, according to the EIA-861 survey.
Where do these numbers come from?
Rates and customer counts are from the US Energy Information Administration's annual EIA-861 survey; rate-case facts are from the Delaware Public Service Commission docket linked on this page. Nothing here is a utility bill; use it to understand the direction and size of changes.
Sources
- EIA-861 Sales to Ultimate Customers, 2015–2025 (released 2026-10-07)
- EIA-861M monthly state averages through Jul 2026
- NREL utility-by-ZIP lookup (2024)