The Potomac Edison Company
Investor Owned electric utility · Maryland · #95 of 3,199 U.S. utilities by customers · EIA utility #15263
The Potomac Edison Company is a investor owned electric utility serving 435,988 customers in Maryland, West Virginia. In 2025 it sold 7,952 gigawatt-hours of electricity for $1.08B in revenue, an average realized rate of 13.56¢ per kWh across all customer classes and 14.55¢ per kWh for residential customers. Its reported service territory covers 15 counties. EIA records its activities as: transmission, distribution, wholesale marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 390,653 | 5,460 | $794.12M | 14.55¢ | |
| Commercial | 42,455 | 1,467 | $196.53M | 13.40¢ | |
| Industrial | 2,880 | 1,025 | $87.92M | 8.57¢ | |
| Total | 435,988 | 7,952 | $1.08B | 13.56¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (1,165 kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| Maryland | 275,648 | 4,054 | 15.44¢ |
| West Virginia | 160,340 | 3,898 | 13.10¢ |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 391,815 | 7,350 | $726.71M | 10.61¢ |
| 2022 | 402,567 | 7,634 | $786.11M | 10.50¢ |
| 2023 | 412,195 | 7,268 | $800.47M | 11.59¢ |
| 2024 | 420,582 | 7,566 | $934.49M | 13.35¢ |
| 2025 | 435,988 | 7,952 | $1.08B | 14.55¢ |
Reliability (2025)
Average outage time (SAIDI): 399 minutes per customer per year
Average outages (SAIFI): 1.30 per customer
Average restoration time (CAIDI): 307 minutes
As reported for Maryland under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: 3,798 GWh
Wholesale power purchased: 4,222 GWh
Winter peak demand: 3,763 MW
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 457,907 meters
Customer-sited generation (net metering): 10,637 installations, 164.3 MW of capacity
This utility also reported 17,915 delivery-only customers (2,838 GWh delivered) in 2025. Delivery figures are excluded from the totals above because the same electricity is also reported by the energy supplier - see Methodology.
Counties served
Allegany, MDBerkeley, WVCarroll, MDFrederick, MDGarrett, MDGrant, WVHampshire, WVHardy, WVHoward, MDJefferson, WVMineral, WVMontgomery, MDMorgan, WVPendleton, WVWashington, MD
Other large utilities in Maryland
- Baltimore Gas & Electric Co - 1,221,264 customers, residential 20.19¢
- Potomac Electric Power Co - 872,449 customers, residential 21.47¢
- Southern Maryland Elec Coop Inc - 179,005 customers, residential 16.43¢
- Choptank Electric Cooperative, Inc - 57,450 customers, residential 17.11¢
- Hagerstown Light Department - 17,780 customers, residential 11.23¢
- Easton Utilities Comm - 11,316 customers, residential 15.18¢
- SFE Energy Maryland, Inc. - 4,330 customers, residential 13.35¢
- XOOM Energy Maryland, LLC - 3,462 customers, residential 11.44¢
All Maryland utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #15263 in the EIA frame.