National System Operator (Pvt.) Ltd. (NSO) invites proposals from prospective developers (Project Proponents) through International Competitive Bidding (ICB) for development establishment of 250 Mw/1000 Mwh Standalone Battery Energy Storage System from 10 mw/40 mwh ac capacity projects on Build, Own and Operate (BOO) basis with 15 year operational period. 

The deadline for the submission of proposals is 14 August 2026.