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The National Committee on Transmission (NCT), in its latest meeting earlier this month, has approved a revised element-wise implementation schedule for interstate transmission system (ISTS) projects.
Fiscal year FY26, which ended on March 31, 2026, proved very eventful for the ISTS-TBCB landscape with as many as 17 such schemes achieving full commissioning.
Over 6,000 ckm of new transmission lines (of 220kV or above) were added on the interstate transmission system (ISTS) network during FY26 with contribution from tariff-based competitive bidding (TBCB) projects clearly dominating.
An exclusive study by tndindia.com suggests that 16 interstate transmission system schemes were awarded under the tariff-based competitive bidding mechanism in FY26. This ISTS-TBCB market was led by Adani Energy Solutions Ltd in terms of tariff-based share while PGCIL held leadership position with respect to number of schemes won.
Power Grid Corporation of India Ltd (PGCIL) expects that it will have a project pipeline of around Rs.60,000 crore per year over the next decade.