1 | TXUX | TU Electric | added 4/1996; 7/2000; eliminated 1/2002 | | NAKINA |
2 | TXUX | TXU Electric | added 1/2002; 7/2005; eliminated 1/2008 | | NAKINA |
3 | TXUX | Luminant | added 1/2008 | | NAKINA |
4 | TXUX | TU Electric | added 4/96; 7/2000 | | NRHS |
5 | TXUX | *TXU ELECTRIC [TU ELECTRIC] | | | PWRC |
6 | TXUX | +LUMINANT | | | PWRC |
7 | TXUX | TXU Electric | | | RSRV |
8 | TXUX | LUMINANT | | | SCAC4 |