The Solar Energy Corporation of India Limited (SECI), a Navratna Government of India enterprise under the Ministry of New & Renewable Energy (MNRE), has issued a Request for Selection (RfS) for setting up 1,200 MW of Inter-State Transmission System (ISTS)-connected wind power projects across India under Tariff-Based Competitive Bidding. The tender has been issued under SECI Tranche-XXI.
The RfS, bearing reference number SECI/C&P/IPP/12/0011/26-27, was issued on October 7, 2026. The tender search code on the ISN-ETS portal is SECI-2026-TN000034. The projects will be developed on a Build Own Operate (BOO) basis, with successful developers required to supply power under a 25-year Power Purchase Agreement (PPA).
Under the tender, each bidder can offer a minimum contracted capacity of 50 MW and a maximum of 600 MW. Developers will be responsible for identifying suitable land, securing grid connectivity, installing the wind power projects, and developing the required transmission network up to the interconnection or delivery point.
The financial requirements include an Earnest Money Deposit (EMD) of ₹13.68 lakh per MW per project. Developers selected under the tender will also be required to furnish a Performance Bank Guarantee (PBG) of ₹34.20 lakh per MW per project before signing the PPA. The bid processing fee has been set at ₹20,000 per MW, subject to a maximum of ₹20 lakh, with applicable GST.
The RfS document is priced at ₹50,000 plus applicable GST, while successful bidders will also be required to pay success charges of ₹1 lakh per MW plus applicable taxes. Half of the success charges will be payable within 30 days of issuance of the Letter of Award (LoA), with the balance due before PPA signing.
The projects are required to achieve the Scheduled Commencement of Supply Date (SCSD) within 24 months from the effective date of the PPA. Financial closure must be achieved at least six months before the SCSD or any extended SCSD. Bids will remain valid for 12 months from the last date of submission.
The tender permits technology flexibility, but wind turbines deployed under the projects must be type-certified models included in the Revised List of Models and Manufacturers (RLMM) issued by MNRE up to the applicable SCSD.
Developers must declare the annual Capacity Utilization Factor (CUF) at the time of bidding and maintain generation within a range of 80% to 120% of the declared CUF throughout the 25-year PPA period.
SECI will function as the intermediary nodal agency for power procurement and sale to buying entities, with a trading margin of ₹0.07 per kWh. Developers opting for SECI’s Payment Security Mechanism will provide a rebate of ₹0.02 per kWh in their monthly tariff payments.
The bidding process will follow a Single Stage Two-Envelope system, followed by an e-Reverse Auction through the ISN-ETS portal. Micro and Small Enterprises with valid UDYAM registration may receive exemptions from the RfS document fee, processing fee and EMD, subject to applicable eligibility conditions.
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