AES = Applied Energy Services
Previously known as: "Dayton Power & Light"
| County | Customers Tracked | Customers Out | |
|---|---|---|---|
| Auglaize | 1,876 | 0 | |
| Brown | 3 | 0 | |
| Butler | 137 | 0 | |
| Champaign | 3,986 | 0 | |
| Clark | 1,163 | 0 | |
| Clinton | 17,076 | 0 | |
| Darke | 4,578 | 0 | |
| Delaware | 398 | 0 | |
| Fayette | 6,781 | 0 | |
| Greene | 105,030 | 0 | |
| Hardin | 178 | 0 | |
| Highland | 4,410 | 0 | |
| Logan | 36,320 | 0 | |
| Madison | 161 | 0 | |
| Mercer | 8,683 | 0 | |
| Miami | 15,194 | 0 | |
| Montgomery | 276,627 | 1 | |
| Pickaway | 190 | 0 | |
| Preble | 62,570 | 0 | |
| Ross | 50 | 0 | |
| Shelby | 5,118 | 0 | |
| Union | 9,631 | 0 | |
| Van Wert | 376 | 0 | |
| Warren | 6,542 | 0 |
