WGL Energy Services, Inc.
Retail Power Marketer electric utility · Pennsylvania · #258 of 3,199 U.S. utilities by customers · EIA utility #20659
WGL Energy Services, Inc. is a retail power marketer electric utility serving 79,329 customers in District of Columbia, Delaware, Maryland, Ohio, Pennsylvania. In 2025 it sold 12,042 gigawatt-hours of electricity for $979.13M in revenue, an average realized rate of 8.13¢ per kWh across all customer classes and 10.22¢ per kWh for residential customers. EIA records its activities as: retail marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 33,421 | 303 | $31.01M | 10.22¢ | |
| Commercial | 45,906 | 11,582 | $934.88M | 8.07¢ | |
| Transportation | 2 | 157 | $13.25M | 8.45¢ | |
| Total | 79,329 | 12,042 | $979.13M | 8.13¢ |
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 (757 kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| Pennsylvania | 34,580 | 4,696 | 6.96¢ |
| Maryland | 31,407 | 4,861 | 12.05¢ |
| Delaware | 5,360 | 617 | 12.19¢ |
| District of Columbia | 5,157 | 1,220 | 16.83¢ |
| Ohio | 2,825 | 649 | — |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 90,760 | 11,795 | $647.71M | 7.97¢ |
| 2022 | 84,707 | 11,194 | $762.39M | 9.84¢ |
| 2023 | 84,229 | 12,582 | $980.82M | 12.53¢ |
| 2024 | 90,314 | 12,797 | $963.97M | 10.04¢ |
| 2025 | 79,329 | 12,042 | $979.13M | 10.22¢ |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 12,042 GWh
Winter peak demand: — MW
Other large utilities in Pennsylvania
- FirstEnergy Pennsylvania Electric Co - 1,646,917 customers, residential 18.76¢
- PECO Energy Co - 1,326,554 customers, residential 18.02¢
- PPL Electric Utilities Corp - 934,737 customers, residential 18.60¢
- Reliant Energy Northeast LLC - 547,853 customers, residential 12.91¢
- Duquesne Light Co - 476,364 customers, residential 23.47¢
- CleanChoice Energy, Inc. - 215,303 customers, residential 16.37¢
- SmartEnergy Holdings, LLC - 199,336 customers, residential 15.49¢
- Inspire Energy Holdings, LLC - 191,325 customers, residential 15.63¢
All Pennsylvania utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #20659 in the EIA frame.