ISLAMABAD, Oct 02 (ABC): The hydel generation capacity of Tarbela Dam will touch 6418 MW from the existing 4888 MW with the completion of 5 th Extension Hydropower Project (T-5) scheduled to be completed in 2025. The under-construction (T-5) will add 1530 MW to the already installed capacity of 4888 MW, sources told APP here. They said before commissioning of …