Potomac Electric Power Co: average rate and electric bill (2025)
Potomac Electric Power Co (investor-owned utility, Maryland) served 531,090 homes in 2025. The average customer used 835 kWh a month and paid $182, an average price of 21.7¢ per kWh including fixed charges, riders and taxes. That is 11% above the Maryland average of 19.5¢.
What a bill costs at Potomac Electric Power Co's average price
| Monthly usage | Estimated bill |
|---|---|
| 500 kWh | $109 |
| 1,000 kWh | $217 |
| 1,500 kWh | $326 |
The average price spreads fixed monthly charges over all kWh. At low usage your price per kWh is higher, at high usage lower. Your current tariff can differ from the 2025 average, especially after a rate case.
Calculate your bill · Heat pump vs furnace with this rate
Delivery-only customers
27,719 customers of Potomac Electric Power Co bought their electricity supply from another provider and paid Potomac Electric Power Co only for delivery: an average of 9.2¢/kWh. Their total price is that delivery charge plus their supplier's energy price (Maryland average for supplier energy: 13.3¢/kWh).
Compare with other utilities in Maryland
| Name | ¢/kWh | Avg. bill |
|---|---|---|
| The Potomac Edison Company | 15.4 | $172 |
| Tesla Inc. | 16.1 | $100 |
| Southern Maryland Elec Coop Inc | 16.4 | $192 |
| Choptank Electric Cooperative, Inc | 17.1 | $200 |
| Sunrun Inc. | 19.5 | $108 |
| Baltimore Gas & Electric Co | 20.2 | $177 |
| Potomac Electric Power Co | 21.7 | $182 |
| Delmarva Power | 21.8 | $214 |
Source: U.S. Energy Information Administration, Form EIA-861 annual data 2025 (released October 2026), utility ID 15270. Average price = residential revenue ÷ residential kWh sold; average bill = revenue ÷ customers ÷ 12.