Railway Energy Management Company (REMC) Limited, a joint venture between Indian Railways and RITES, has completed its 1 GW round-the-clock (RTC) renewable energy tender. The power purchase agreements were finalized at a uniform tariff of Rs 4.35 per kWh, marking the conclusion of a competitive bidding process that began in August 2025 and involved nine participants.
ACME Solar Holdings emerged as the most successful bidder, securing the entire 1,000 MW allocation. ReNew Power and Bhalki Solar Power each secured 200 MW. Other successful developers include Purvah Green Power (180 MW), Jindal Green (150 MW), and Ayana Renewables (140 MW). Several companies, including Solarcraft Power India, Jindal India Power, and Reliance Industries, participated but did not qualify due to the cutoff tariff.
This tender follows earlier RTC power procurement initiatives by the Indian Railways ecosystem. In a 2023 REMCL tender, Ayana Renewables secured 300 MW, NTPC 500 MW, and O2 Power 60 MW at a levelized tariff of Rs 4.10. In the subsequent year, Indian Railways selected six developers for 750 MW of RTC power, awarding 200 MW each to NTPC Renewable Energy and ReNew Solar Power, and 100 MW each to Torrent Power, O2 Power, and ACME Cleantech. Tata Power received 50 MW in that round, where the lowest bid was Rs 4.25 per unit.
The contracted capacity in this latest REMCL tender exceeds the original 1,000 MW target, as the tender terms allowed the final allocation to surpass 1 GW. Project capacity is defined as the rated AC capacity of the renewable components or storage systems and will be verified upon commissioning.
Under the PPA, developers have the flexibility to design projects with or without integrated energy storage. They are also responsible for constructing any dedicated transmission infrastructure up to the designated delivery point, including all associated costs, permits, and approvals.
The scheduled commissioning date for all projects is 30 months from the PPA’s effective date, with a grace period of up to six additional months for full capacity commissioning, subject to applicable liquidated damages.
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