Contact Potomac Edison

Residential customer service

1-800-686-0011

Mon to Fri, 8 a.m. to 6 p.m. ET

Power outage (24/7)

1-888-544-4877

1-888-LIGHTSS, or text OUT to 544487

Maryland regional operations

10802 Bower Avenue
Williamsport, MD 21795

Payment mailing address

Potomac Edison
P.O. Box 3615
Akron, OH 44309-3615

Company fact sheet

Legal name
The Potomac Edison Company
Parent company
FirstEnergy Corp. (NYSE: FE)
States served
MD, WV
Total customers
~424,000
Customer mix
89% residential, 10% commercial, 1% industrial
Regulator (MD)
MD PSC + FERC
Grid operator
PJM Interconnection

Quick actions

  • 1

    Start service

    Call 1-800-686-0011 at least 3 business days before move-in. Have your new address, move-in date, and SSN or ID ready.

  • 2

    Stop service

    Same line. The final bill is sent to your forwarding address.

  • 3

    Try the new TOU rate

    Maryland approved a time-of-use pilot in 2026: a new smart meter at no cost and discounts for off-peak usage. Ask when you call.

Compare MD suppliers

Potomac Edison service area

Potomac Edison covers most of western Maryland plus the Eastern Panhandle of West Virginia. Inside MA it is one of four electric IOUs (alongside BGE, Pepco, and Delmarva). The municipal carve-outs (Hagerstown, Williamsport, Thurmont, Berlin) are not in Potomac Edison territory even when they are surrounded by it.

Western Maryland

Washington, Frederick, Allegany, Garrett counties (full); plus parts of Carroll, northern Montgomery, and northwest Howard counties.

Roughly 290,000 Maryland customers.

Eastern Panhandle of West Virginia

Berkeley, Jefferson, Morgan, Hampshire, Hardy counties and parts of Mineral and Grant. Wider footprint in WV in low-density areas.

Roughly 134,000 West Virginia customers.

CallMePower explains

How your Potomac Edison bill is built

Every Maryland electric bill has two parts: supply (the energy itself) and delivery (the wires that bring it). Potomac Edison is the delivery company. The supply line can be shopped.

Supply

The price of the kilowatt-hours (kWh) you actually use. Charged in ¢/kWh.

  • Standard Offer Service (SOS) if you do nothing. The MD PSC auctions the supply contracts in tranches and Potomac Edison passes the blended price through at cost.
  • Competitive supplier if you shop one through MD Electric Choice.

Delivery

The cost of moving power through Potomac Edison's wires. Cannot be shopped.

  • Customer charge: a fixed monthly fee, like a subscription.
  • Distribution: ¢/kWh wires charge.
  • Transmission, EmPOWER Maryland, and franchise tax adders.

Insider tip

The new TOU rate is voluntary, and it can backfire if you do not check your usage shape first

Starting in 2026 Potomac Edison customers in Maryland can opt into a time-of-use (TOU) rate plan: off-peak hours get a discount, on-peak hours (typically weekday afternoons and early evenings) cost more. Potomac Edison installs a new advanced meter for free as part of enrollment.

The catch: TOU rewards customers who can shift big loads (EV charging, dishwasher, dryer, pool pump, water heater) to off-peak windows. If your usage is concentrated in the late afternoon when you get home and cook dinner, TOU can actually raise your bill.

What that means for you: Before opting in, log into your Potomac Edison account and look at your hourly usage (now available because the smart meter rollout is complete). If at least 30 percent of your kWh land outside the on-peak window, TOU is worth it. If less, stay on the standard residential rate.

Frequently asked questions

Is Potomac Edison the same as Allegheny Power?
Yes, in the sense that the operating company has been called both. The legal entity has always been "The Potomac Edison Company," but for years it operated under the Allegheny Power brand. When FirstEnergy bought Allegheny Energy in 2011, Allegheny Power was retired as a brand and Potomac Edison resumed for the MD and WV territories.
Does Potomac Edison deliver natural gas?
No. Potomac Edison is electric-only. In western MD, natural gas is delivered by Columbia Gas of Maryland in Hagerstown, Cumberland, Frostburg, and parts of Washington and Allegany counties; Washington Gas serves Frederick County and parts of Montgomery County.
Can I get help paying my Potomac Edison bill?
Yes. Maryland's MEAP and EUSP programs (administered by the Department of Human Services) provide bill assistance and arrearage forgiveness for income-eligible customers. The federal LIHEAP program funds MEAP. Apply at your local Department of Social Services or online at mydhrbenefits.dhr.state.md.us.
My power is out. Who do I call?
Potomac Edison, always. Call 1-888-544-4877 (1-888-LIGHTSS) or text OUT to 544487. Never call your competitive supplier; they do not control the wires.
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