| Public power utility | Retail electric customers |
|---|---|
| Hagerstown Light Department | 17,743 |
| Easton Utilities Comm | 10,990 |
| Thurmont Municipal Light Co | 2,892 |
| Town of Berlin | 2,752 |
| Town of Williamsport | 1,025 |
Largest first by retail electric customers, as each employer reports it to its federal registry.
Source: U.S. Energy Information Administration, Annual Electric Power Industry Report (Form EIA-861), 2024 final data. Data captured October 2, 2026.
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