The Solar Energy Corporation of India (SECI) has issued a Request for Selection (RfS) for the supply of 1,000 MW of power from ISTS-connected renewable energy projects under a “Thermal Mimic” (RTC-TM) structure. The tender requires developers to set up RE projects integrated with Energy Storage Systems (ESS) to provide a firm and reliable power profile similar to traditional thermal plants.
Key Tender Specifications:
- Capacity: 1,000 MW (Minimum bid: 100 MW; Maximum: 500 MW).
- Delivery: Must maintain 90% annual Demand Fulfillment Ratio (DFR).
- Submission Deadline: May 4, 2026 (Online); May 6, 2026 (Offline).
- Interconnection: Minimum voltage level of 220 kV at ISTS substation.
- Tender Link: SECI ISN-ETS Portal or SECI Tenders Page.

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