The project, named “Transmission system for evacuation of power from Rajasthan REZ Ph-IV (Part-5: 6 GW) [Barmer Complex] Barmer-II: 6 GW (Solar) (LCC Configuration)”, will be developed on a Build, Own, Operate and Transfer (BOOT) basis.
POWERGRID has quoted annual transmission charges of ₹3,244.33 crore for the project. The company received the Letter of Intent on September 2, 2026.
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The project comprises the establishment of 6,000 megawatt (MW), ±800 kilovolt (kV) high-voltage direct current (HVDC) terminals at Barmer-II in Rajasthan and South Kalamb substation in Maharashtra, along with augmentation of the South Kalamb substation.
It also involves construction of a ±800 kV HVDC bipole line between Barmer-II and South Kalamb, spanning approximately 1,000 km across Rajasthan, Gujarat and Maharashtra.
The project further includes construction of 400 kV transmission lines across Rajasthan along with associated bays, as well as installation of two SynCon units at Barmer-II Power Station along with associated bays.
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Last month, Power Grid Corporation of India said it has been declared the successful bidder under Tariff Based Competitive Bidding (TBCB) to establish an inter-state transmission system for renewable energy projects in Gujarat at a discovered tariff of ₹822.91 crore per annum.
The project, titled “Transmission system for Integration of Power from RE Projects in Jam Khambhaliya REZ in Gujarat – Phase II (5,500 MW) and Jamnagar Phase-I (1,000 MW)”, will be developed on a Build, Own, Operate and Transfer (BOOT) basis. The company received the Letter of Intent (LoI) on August 21, 2026.
The project involves establishing a new Gas Insulated Substation (GIS) at Kalyanpur, Gujarat, along with Information and Communication Technology (ICT) augmentation and bay extension works at under-construction substations in Gujarat. It will also involve the construction of 765 kV transmission lines traversing the state of Gujarat.
Shares of Power Grid Corporation of India Ltd ended at ₹267.50, up by ₹2.65, or 1.00%, on the BSE.
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First Published: Sept 2, 2026 7:15 PM IST
