Summary:
Power Grid Corporation of India Ltd (PGCIL) has been declared the successful bidder under Tariff-Based Competitive Bidding (TBCB) to establish a major inter-state transmission system (ISTS) in Sonbhadra district, Uttar Pradesh. The project, aimed at evacuating power from pumped storage projects, is expected to boost grid reliability and support India’s clean energy transition.
Project Details
- Project Name: Transmission System for Evacuation of Power from Pumped Storage Projects in Sonbhadra, Uttar Pradesh
- Scope of Work:
- Establishment of a new 765/400kV pooling sub-station
- Bay extension works at upcoming substations
- Construction of 765kV transmission lines across Uttar Pradesh
- Model: TBCB on Build, Own, Operate, and Transfer (BOOT) basis
- LoI Received: September 4, 2025
Strategic Importance
The project will:
- Enhance power evacuation capacity in Uttar Pradesh
- Support the integration of renewable and pumped storage projects into the national grid
- Improve grid stability and reliability, crucial for managing renewable-heavy systems
Sectoral Context
Pumped storage projects are gaining prominence as large-scale energy storage solutions that help balance intermittent renewable sources like solar and wind. With this award, Power Grid reinforces its position as India’s leading transmission utility, continuing to play a pivotal role in strengthening the country’s power infrastructure.
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