Powergrid Completes 'Augmentation of ISTS for Interconnection of HVPNL Transmission Schemes' Project Dec. 11, 2024, 9:48 p.m. POWERGRID has successfully commissioned the project named 'Augmentation of ISTS for Interconnection of HVPNL Transmission Schemes'.The project became operational on 6th October, 2024… Unlock the Full Filing And Lot More Access premium insights and stay ahead of the market with Dzambhala Pro. Learn More