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June 15,2026

CEA Notifies Standard ISTS Implementation Timelines to Support Renewable Energy Growth

The Central Electricity Authority (CEA) has notified standard implementation timelines for Inter-State Transmission System (ISTS) projects to improve coordination between renewable energy generation and transmission infrastructure. Greenfield 400 kV and 765 kV substations and long-distance transmission lines will generally require 36 months, while HVDC systems will take 48–54 months.

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