Don't worry as the electrification is progressing fast there are 2 main developments going to happen. 1st one is also discussed in the forum i.e. Loco sheds would eventually start holding both D & E locos. Also as the demand for e locos increase following steps have been taken for stop gap arrangement to increase production of electric locos as follows DKAE Ancillary unit will focus on assembling of WAG-9,s. DLW will focus on assembling on WAP-7,s. WAP-5,s being a high profile passenger loco would be manufactured in CLW only. Production numbers are expected to increase. As of now their annual production plan with increased production of WAP-7 & WAG-9 which CLW will also make.
If upgradation of WAG-9 to 9000hp...
more... is successful you will also see WAP-7 being upgraded to 9000hp also.