Powergrid Dharamjaigarh Transmission Ltd, a wholly-owned subsidiary of Power Grid Corporation of India Ltd (PGCIL) has commissioned an interstate transmission system (ISTS) scheme that it had won under the tariff-based competitive bidding (TBCB) mechanism.
In a brief stock exchange filing, PGCIL said that Powergrid Dharamjaigarh Transmission Ltd has commissioned an ISTS-TBCB scheme officially referred to as “Western Region Expansion Scheme – XXVII and Western Region Expansion Scheme – XXIX.”
The scheme was completely commissioned on April 8, 2025 and the notification for commercial operation (DOCO: date of commercial operation) was received on May 23, 2025.
According to information available with T&D India, here are salient features of the scheme.
Original Project SPV: Dharamjaigarh Transmission Ltd
Date of SPV acquisition: March 28, 2023
Bid process coordinator: PFC Consulting Ltd
New name of project SPV: Powergrid Dharamjaigarh Transmission Ltd
Project Description: Western Region Expansion Scheme – XXVII and Western Region Expansion Scheme – XXIX
State(s) covered: Chhattisgarh
Project cost: Rs.251 crore (estimated)
Annualized tariff: Rs.286.90 million
Project infrastructure: Transmission lines (NIL); Substation capacity (2,500 MVA)
The project involved creation of 220kV level with 400/220kV, 2×500 MVA at the existing 765/400kV Dharamjaigarh substation. This part is referred to as WRES-XXIX. Besides, under WRES-XXVII, 220kV (GIS) level was created with 400/220kV, 3×500 MVA at the existing 765/400kV Raipur pooling station. Both the substations are located in Chhattisgarh. The project did not involve any transmission line development.
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Featured photograph (source: SPML Infra Ltd) is for representation only
