In a major boost to India’s power transmission infrastructure, Power Grid Corporation of India Limited (POWERGRID) has been declared the successful bidder under the Tariff-Based Competitive Bidding (TBCB) mechanism for a critical interstate transmission system (ISTS) project. The centerpiece of this development is the creation of a 765/400kV pooling substation in Uttar Pradesh, aimed at enhancing grid reliability, supporting renewable energy integration, and strengthening regional connectivity.
Project Overview
- The project is part of the transmission initiative titled "Transmission System for Evacuation of Power from Rajasthan REZ Phase IV (Part-4: 3.5 GW): Part A"
- It includes the construction of a new 765/400kV pooling substation near Ghiror in Mainpuri district, Uttar Pradesh
- High-capacity 765kV and 400kV transmission lines will be developed across Rajasthan and Uttar Pradesh
- Bay extension and augmentation works will be carried out at both under-construction and existing substations
Strategic Importance
- Facilitates evacuation of 3.5 GW of renewable energy from Rajasthan’s Renewable Energy Zone
- Enhances national grid capacity and resilience
- Strengthens inter-state power flow between Rajasthan and Uttar Pradesh
- Improves voltage stability and reduces transmission bottlenecks across northern India
Execution Model
- POWERGRID will execute the project on a Build, Own, Operate, and Transfer (BOOT) basis
- This model ensures long-term operational accountability and aligns with India’s infrastructure efficiency goals
Competitive Landscape
- The bidding process was conducted under the TBCB framework to ensure transparency and cost-effectiveness
- POWERGRID emerged as the winning bidder among several contenders
- The Letter of Intent (LoI) was issued on November 25, 2024, marking the formal start of implementation
Broader Context
- This win adds to POWERGRID’s expanding portfolio of ISTS projects
- In FY25, POWERGRID has secured four major ISTS-TBCB schemes, including projects in Karnataka and Rajasthan
- Other wins include Khavda V-B1B2 Power Transmission Ltd and Bidar Transco Ltd
- The Uttar Pradesh substation project is a key addition to this growing portfolio
Key Takeaways
- POWERGRID secures a pivotal ISTS project for a 765/400kV substation in Uttar Pradesh
- Supports evacuation of 3.5 GW of renewable energy from Rajasthan REZ Phase IV
- Includes transmission line development, substation augmentation, and bay extensions
- Executed under the BOOT model for long-term operational responsibility
- Strengthens inter-state grid connectivity and renewable energy integration
- Part of POWERGRID’s broader FY25 expansion with four ISTS-TBCB wins
Conclusion
As India accelerates its transition to a cleaner and more robust energy future, this project highlights the importance of strategic transmission infrastructure. POWERGRID’s successful bid reflects its technical expertise and commitment to powering India’s growth—one substation at a time.
Sources: News On Projects, POWERGRID official site, T&D India
