| 1 | LERX | Duke Energy Indiana, Inc. | added 4/2007 | | NAKINA |
| 2 | LERX | PSI Energy, Inc. | 7/2000 (not listed); added 10/2000; 7/2005; eliminated 4/2007 | | NAKINA |
| 3 | LERX | PSI Energy, Inc. | 7/2000; added 10/2000 | | NRHS |
| 4 | LERX | DUKE ENERGY INDIANA [PSI ENERGY INCORPORATED] | | | PWRC |
| 5 | LERX | PSI Energy | | | RSRV |
| 6 | LERX | DUKE ENERGY INDIANA INC | | | SCAC4 |