US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

NewInsight: Investor-owned utilities charge 23% more for power

Maryland

Potomac Electric Power electricity rates

What homes pay Potomac Electric Power for electricity, from EIA.

Investor-owned utility, 561,604 homes in Maryland. EIA lists it as Potomac Electric Power Co.

Headlines

Average price
23.4¢ a kWh
Up 9.6% on a year ago
Average bill
$196 a month
Up 12% on a year ago
Average use
839 kWh
A month. Maryland 955 kWh
Price rank in Maryland
1 of 5
1 is the most expensive

Over the 12 months to August 2026, Potomac Electric Power homes paid 23.4¢ a kWh, against 21.2¢ across Maryland.

Potomac Electric Power vs Maryland

Potomac Electric PowerMaryland
Average price, 12 months to August 202623.4¢21.2¢
Price in August 202625.8¢21.4¢
Average monthly bill, 12 months$196$202
Bill in August 2026$254$233
Average monthly use839 kWh955 kWh
Price change, past year+9.6%+13%
Price change since 2019+59%+61%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including August 2026

Source: EIA-861M monthly utility survey. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month.

Up to and including August 2026

Source: EIA-861M monthly utility survey.