21.81¢
per kWh, 2025
[ Delmarva Power / MD ]
Delmarva Power electricity rates in Maryland
NO RATE CASE ON FILE · DATA 2025
change in average rate, 2024→2025
+7.9%
vs 2024
187,814
residential customers
+48.7%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at Delmarva Power's average effective residential rate (21.81¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 14.82¢ | — | 175,690 |
| 2016 | 14.92¢ | +0.7% | 176,868 |
| 2017 | 14.54¢ | −2.5% | 177,697 |
| 2018 | 14.74¢ | +1.4% | 178,457 |
| 2019 | 14.39¢ | −2.4% | 179,411 |
| 2020 | 14.67¢ | +1.9% | 180,787 |
| 2021 | 15.31¢ | +4.4% | 181,926 |
| 2022 | 15.96¢ | +4.3% | 183,382 |
| 2023 | 18.40¢ | +15.3% | 184,814 |
| 2024 | 20.22¢ | +9.9% | 186,368 |
| 2025 | 21.81¢ | +7.9% | 187,814 |
How this compares
19.53¢
Maryland average, 2025
+11.7%
Delmarva Power vs MD 2025 average
+26.6%
vs US 2025 average
#1
priciest in MD
Serves 10 counties in Maryland: Caroline, Cecil, Dorchester, Harford, Kent, Queen Annes, Somerset, Talbot, Wicomico, Worcester. 122 ZIP codes.
Questions
Is Delmarva Power raising rates in 2026?
No rate case for Delmarva Power is on file with the Maryland Public Service Commission in our tracker. Its average residential rate moved +7.9% 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 21.81¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). Maryland's 2025 average was 19.53¢.
How much have Delmarva Power rates gone up in five years?
+48.7% between 2020 and 2025, against +65.3% for Maryland as a whole over the latest five-year window.
How many customers does Delmarva Power have in Maryland?
187,814 residential customers in 2025, across 10 counties including Caroline, Cecil, Dorchester, 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 Maryland 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)