POWERGRID Wins WR–ER Inter-Regional Transmission Project Under TBCB; Receives LoI for Major Grid Expansion
New Delhi: Power Grid Corporation of India Limited has been declared the successful bidder under the Tariff Based Competitive Bidding (TBCB) mechanism for the development of the Inter-State Transmission System project titled “WR–ER Inter-Regional Network Expansion Scheme Part-A”.
The company has received the Letter of Intent (LoI) on 16 June 2026, marking a key milestone in the expansion of India’s national power transmission infrastructure.
The project will be developed on a Build, Own, Operate and Transfer (BOOT) basis and is aimed at strengthening inter-regional power transfer capacity between Western and Eastern regions of the country.
Project Scope and Coverage
The transmission scheme includes:
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Establishment of two new 765/400 kV substations in Jharkhand and Chhattisgarh
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Extension of existing substations in Chhattisgarh and West Bengal
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Construction of 765 kV and 400 kV transmission lines
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Coverage across Jharkhand, Chhattisgarh, Odisha, and West Bengal
The project is designed to improve grid reliability, enhance inter-state power flow, and support growing electricity demand across regions.
Strategic Importance
The WR–ER inter-regional transmission corridor is a critical component of India’s national grid strengthening plan. It is expected to:
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Improve power evacuation efficiency from generation-rich regions
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Enhance grid stability and redundancy
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Support integration of future renewable energy capacity
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Strengthen inter-state energy security
About POWERGRID
Power Grid Corporation of India Limited is a महारत्न public sector enterprise engaged in the development, operation, and maintenance of India’s interstate and inter-regional transmission network. The company plays a central role in ensuring reliable and efficient power transmission across the country.