Potomac Electric Power Co Rates: Average Bill & Price per kWh

Residential rates for Potomac Electric Power Co and how they compare to the Maryland average — 2024 EIA-861 annual data.

Data through 2024 EIA-861, verified Oct 11, 2026

Residential customers of Potomac Electric Power Co average $155.10/month at 18.74¢/kWh — below the Maryland average of $201.18.

Avg bill (2024)$155.10/moannual average Rate18.74¢/kWh Res. customers553,607 Bill rank#4 in MDof tracked utilities

Where Potomac Electric Power Co rates are heading

Annual residential figures from Form EIA-861, 2019–2024.

Potomac Electric Power Co price per kWh (annual) ▲ 42.0% over 2019–2024
Potomac Electric Power Co price per kWh (annual) 12.8¢ 15.8¢ 18.7¢ 18.7¢ 2019 2024
YearRateAvg billRes. customers
2019 13.2¢/kWh $117.76/mo 530,540
2020 13.26¢/kWh $115.40/mo 534,739
2021 12.8¢/kWh $113.84/mo 539,381
2022 14.13¢/kWh $122.25/mo 543,883
2023 16.92¢/kWh $135.16/mo 547,713
2024 18.74¢/kWh $155.10/mo 553,607

Rate context in Maryland

Statewide residential price trend (12 months) — context for Potomac Electric Power Co's 2024 annual figure.

Maryland price per kWh (12 months) ▲ 16.0% over Jul 25–Jun 26
Maryland price per kWh (12 months) 18.8¢ 20.6¢ 22.3¢ 21.8¢ Jul 25 Jun 26

Potomac Electric Power Co vs its state

Annual utility averages next to the latest statewide monthly figure — different windows, both labeled.

MeasurePotomac Electric Power CoMaryland (latest month)
Avg bill $155.10/mo $201.18/mo
Rate 18.74¢/kWh 21.84¢/kWh

Common questions

How much is the average electric bill with Potomac Electric Power Co?

Potomac Electric Power Co residential customers averaged $155.10 per month in 2024 (EIA-861 annual data) — about $1,861.21 per year.

What does Potomac Electric Power Co charge per kWh?

Potomac Electric Power Co averaged 18.74¢ per kWh for residential service in 2024 (annual revenue divided by sales, EIA-861). Actual rates depend on your plan and season.

How does Potomac Electric Power Co compare to the Maryland average?

Potomac Electric Power Co bills average $155.10 — lower than the Maryland average of $201.18 (latest EIA month).

How many customers does Potomac Electric Power Co serve?

Potomac Electric Power Co served 553,607 residential customers in 2024, per EIA-861 — one of the largest utilities we track in MD.

Data: Form EIA-861, 2024 annual residential figures for Potomac Electric Power Co. Bill = residential revenue ÷ customers ÷ 12; rate = revenue ÷ sales. State context uses the latest EIA monthly data. See methodology.