CESC Limited has launched a new push toward expanding renewable energy by issuing a Request for Selection on November 26, 2025, inviting bids for developing 600 MW of Inter-State Transmission System–connected wind-solar hybrid power projects across India. The initiative aims to procure clean, round-the-clock renewable power, strengthening the company’s long-term sustainability goals while contributing to India’s broader clean energy ambitions. The tender is structured under the Ministry of Power’s Tariff-Based Competitive Bidding guidelines, which are designed to ensure transparency and fairness in selecting developers for grid-connected hybrid projects.
The selected developers will be responsible for supplying power to CESC Limited under a long-term Power Purchase Agreement lasting 25 years from the Scheduled Commercial Operation Date. This long tenure is intended to provide financial stability to developers while ensuring a reliable supply of renewable energy for CESC’s distribution network. Since hybrid projects combine both solar and wind energy, they help in maintaining more consistent power output, addressing one of the key challenges associated with renewable power generation. The bid submission due date is 19th January 2025.
Participation in the bidding process requires developers to submit significant financial assurances, beginning with an Earnest Money Deposit. The EMD has been set at ₹9,00,000 per MW of the capacity quoted by a bidder. For a developer aiming to bid for the entire 600 MW on offer, this would mean an EMD of ₹54 crore. The purpose of the EMD is to ensure only serious bidders participate, reducing the likelihood of withdrawal or non-compliance during the process. Once the project is awarded, the successful bidder’s EMD will be refunded, but only after the submission of the Performance Bank Guarantee.
The next major financial requirement, applicable only to the developer awarded the project, is the Performance Bank Guarantee. The PBG is fixed at ₹22,00,000 per MW of the allotted capacity. For a full 600 MW allocation, this would amount to ₹132 crore. The PBG serves as a security measure to ensure that the developer fulfills all obligations under the PPA and executes the project within the stipulated timeframe. Its submission is mandatory before signing the Power Purchase Agreement, making it a crucial step in advancing toward project deployment.
The issuance of the RfS on November 26, 2025, marks the beginning of the bidding timeline. Typically, such tenders provide a submission window of several weeks, allowing companies sufficient time to prepare both technical details and financial proposals. The projects selected through this process are expected to be commissioned within 18 to 24 months from the PPA signing, ensuring that renewable power begins flowing into the grid on time.
Through this tender, CESC Limited reinforces its strategy of integrating more renewable energy into its portfolio, demonstrating a firm commitment to sustainability while supporting India’s national targets for cleaner power generation.
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