Renew Launches Its First Project Involving Interstate Gearbox

ReNew, a decarbonisation solutions provider in India, has commissioned an interstate transmission scheme project in Karnataka that will help in the evacuation of 1.5 GW of renewable energy from the Koppal area of Karnataka. The project (called Koppal Transmission Scheme) is the first of the three projects to be executed by ReNew in Karnataka, which will cumulatively help in evacuation of 5 GW of wind and solar power potential identified in Karnataka for implementation and interconnection with the interstate transmission system (ISTS) grid, for a period of 35 years.

The Koppal Transmission Scheme was awarded in FY 2022. It covers construction of a new 400/220 kV sub-station at Koppal along with 276 circuit km of 400 kV D/C quad moose transmission line with extension of the 400 kV GIS Bays at the PGCIL Narendra (New) substation.
Following the commissioning of the 1.5 GW Koppal Transmission Scheme, the remaining transmission for 3.5 GW is expected to be completed by June 2024.
The project is supported by the new Climate Investment Fund, managed by Norfund, and KLP, Norway’s largest pension company.
Following the commissioning of the project, ReNew signed an agreement with Norfund and KLP on the 2nd joint investment in the transmission sector.
“The agreement to invest in the Gadag Project for a 49% stake is the 2nd investment in the partnership, with an ambition for further joint investments. The expected levelized EBITDA for the project is $ 6.2 million,” stated ReNew.
“The project consists of (a) two 500 MVA 400/220 kV sub-station at Gadag with 400 kV D/C transmission line from Gadag substation to Narendra New substation and 400 kV GIS Extn at Narendra New in Karnataka and (b) three 500 MVA 400/220 kV augmentation at Gadag Substation with 400 kV D/C transmission line from Gadag substation to Koppal substation and 400 kV AIS bays Extn at Koppal & Gadag end. Its commercial operations are expected to start in two phases in the last quarter of FY24 and first quarter of FY25.”
This 2nd investment will allow ReNew to contribute to the connection of another 2.5 GW of planned renewable power to the national grid.

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