Power Grid Corporation of India Limited (POWERGRID) has secured a major intra-state power transmission project in Karnataka under the Tariff Based Competitive Bidding (TBCB) framework. The company was declared the successful bidder for the project, which will be developed on a Build, Own, Operate and Transfer (BOOT) basis. POWERGRID secured the project by quoting annual transmission charges of Rs. 243.34 crore.
The Letter of Intent (LoI) for the project was dated November 10, 2026, and received by the company on November 11, 2026. The project is officially titled “Establishment of 3X500MVA 400/220kV sub-station at Humnabad in Bidar District and associated transmission lines.” It aims to strengthen Karnataka’s electricity transmission infrastructure and improve grid connectivity across the state.
The project involves establishing a new 400/220 kV sub-station at Humnabad in Bidar district. The scope also includes the construction of associated 400 kV and 220 kV transmission lines, along with the required transmission bays. These facilities will support the movement of electricity across the network and improve the reliability of power supply.
With this latest project, POWERGRID has secured a total of eleven transmission system projects through the TBCB route during the financial year 2026-27 so far. The cumulative annual transmission charges associated with these projects stand at Rs. 8,106.97 crore. This reflects the company’s continued participation in competitive transmission infrastructure development and its expanding project portfolio.
The Humnabad project is expected to contribute to strengthening the regional transmission network and supporting Karnataka’s growing electricity requirements. The development of additional high-voltage infrastructure will also help improve grid stability and facilitate efficient power transmission.
Under the BOOT model, POWERGRID will be responsible for developing, owning and operating the transmission infrastructure before transferring it according to the project requirements. The annual transmission charges quoted for the project will provide a long-term revenue framework for the company.
As a Government of India enterprise, POWERGRID continues to expand the country’s transmission network through competitive bidding and infrastructure development initiatives.
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