US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

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

District of Columbia

Potomac Electric Power electricity rates

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

Investor-owned utility, 296,138 homes in District of Columbia. EIA lists it as Potomac Electric Power Co.

Headlines

Average price
23.2¢ a kWh
Up 20% on a year ago
Average bill
$137 a month
Up 19% on a year ago
Average use
591 kWh
A month. District of Columbia 635 kWh
Price rank in District of Columbia
1 of 1
1 is the most expensive

Over the 12 months to August 2026, Potomac Electric Power homes paid 23.2¢ a kWh, against 24.5¢ across District of Columbia.

Potomac Electric Power vs District of Columbia

Potomac Electric PowerDistrict of Columbia
Average price, 12 months to August 202623.2¢24.5¢
Price in August 202624.6¢26.0¢
Average monthly bill, 12 months$137$155
Bill in August 2026$178$206
Average monthly use591 kWh635 kWh
Price change, past year+20%+20%
Price change since 2019+90%+89%

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.