Potomac Electric Power Co electricity rates in Maryland, 2025
Potomac Electric Power Co’s 531,090 residential customers paid an average of 21.74¢ per kWh in 2025, 11% above the Maryland average of 19.53¢. The typical home used 835 kWh a month, for an average bill of $182.
- 21.74¢avg ¢/kWh (2025)+1.66¢ (+8.3%) vs 2024
- $182Avg monthly billMaryland: $184
- 835 kWhAvg monthly useMaryland: 944 kWh
- 531,090Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 531,090 | 5,322,637 | $1,157,217,800 | 21.74¢ | 20.08¢ | +1.66¢ (+8.3%) |
| Commercial | 31,308 | 1,518,214 | $250,408,500 | 16.49¢ | 14.77¢ | +1.72¢ (+11.7%) |
| Industrial | 1 | 1,668 | $324,600 | 19.46¢ | 22.70¢ | −3.24¢ (-14.3%) |
| All sectors | 562,399 | 6,842,519 | $1,407,950,900 | 20.58¢ | 18.87¢ | +1.71¢ (+9.0%) |
How Potomac Electric Power Co compares
- Maryland residential average, 2025: 19.53¢ per kWh, 944 kWh a month, $184 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 8 full-service utilities in Maryland with at least 1,000 residential customers, Potomac Electric Power Co ranks 7 of 8 from lowest to highest average price.
- Latest monthly figure: Maryland homes paid 21.40¢ per kWh in August 2026 (preliminary), against 19.89¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 8.3%; the state average rose 9.3%.
- Another 27,719 residential customers buy supply from a competitive supplier and pay Potomac Electric Power Co only for delivery, averaging 9.21¢ per kWh for that service.
- Potomac Electric Power Co is an investor-owned utility, a private company whose rates are set by the state utility commission. Balancing authority: PJM.
Where Potomac Electric Power Co serves
EIA lists 2 Maryland counties in its 2025 service territory: Montgomery, Prince Georges.
120 ZIP codes are matched to Potomac Electric Power Co in NREL’s 2024 ZIP file: 20607, 20613, 20623, 20697, 20704, 20705, 20706, 20708, 20710, 20711, 20712, 20721, 20722, 20731, 20735, 20737, 20738, 20740, 20741, 20742, 20743, 20744, 20745, 20746, 20747, 20748, 20749, 20750, 20752, 20753, 20754, 20757, 20762, 20768, 20770, 20771, 20772, 20773, 20774, 20775, 20781, 20782, 20783, 20784, 20785, 20787, 20788, 20790, 20791, 20792, 20799, 20810, 20811, 20812, 20813, 20814, 20815, 20816, 20817, 20818, and 60 more. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
Maryland full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| Hagerstown Light Department | 11.23¢ | $106 | 14,878 |
| Easton Utilities Comm | 15.18¢ | $159 | 8,884 |
| The Potomac Edison Company | 15.44¢ | $172 | 252,583 |
| Southern Maryland Elec Coop Inc | 16.43¢ | $192 | 162,860 |
| Choptank Electric Cooperative, Inc | 17.11¢ | $200 | 50,981 |
| Baltimore Gas & Electric Co | 20.19¢ | $177 | 1,143,710 |
| Delmarva Power | 21.81¢ | $214 | 181,839 |
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.