The Solar Energy Corporation of India (SECI) has issued a tender to select developers for the assured peak supply of 4,800 MWh (1,200 MW X4 hours) of firm and dispatchable renewable energy from interstate transmission-connected projects with co-located energy storage systems (FDRE-Tranche VII).

Bids must be submitted by October 31, 2025. Bids will be opened on November 11.

Bidders must furnish an earnest money deposit of ₹954,000 (~$10,759)/MW for solar projects, ₹1.33 million (~$15,028)/MW of wind or other renewable energy sources, and ₹235,450 (~$2,655)/MWh of ESS.

They must also submit a document fee of ₹50,000 (~$564) plus GST, and a bid processing fee of ₹20,000 (~$226)/MW, subject to a cap of ₹2 million (~$22,560) plus GST.

Additional charges include a payment security deposit, which requires developers to provide a rebate of ₹0.02 (~$0.00023)/kWh in monthly bills, and a facilitation fee of ₹1 million (~$11,280) plus taxes for any change in control.

The successful bidder must submit a performance bank guarantee of ₹2.38 million (~$26,826)/MW for solar, ₹3.33 million (~$37,552)/MW for wind or other renewable energy sources, and ₹588,625 (~$6,638)/MWh for ESS.

Bidders must offer a minimum capacity of 50 MW, while the maximum allocation to a single bidder has been capped at 600 MW. The scope of work encompasses ensuring a daily supply of 4,000 kWh per MW of contracted capacity during four peak hours as selected by the buying entity. Both the renewable generation components and the ESS must be co-located. Developers will be responsible for identifying the land, setting up the projects, and obtaining all statutory approvals.

It also includes securing connectivity arrangements with the interstate transmission system / state transmission unit. . The developer will also bear all transmission-related costs, including wheeling charges, losses, and operations and maintenance costs up to the interconnection point.

Bidders must have a minimum net worth of ₹9.54 million (~$107,479)/MW for solar, ₹13.32 million (~$150,309)/MW for wind or other renewable energy sources, and ₹2.35 million (~$26,538)/MWh for ESS.

The power purchase agreement period has been set at 25 years.

The solar modules must comply with the ALMM List-I and solar cells from ALMM List-II.

Recently, SECI invited bids to install 3,640 kW of grid-connected rooftop solar projects spread across 11 government institutions in West Bengal, Tamil Nadu, Delhi, Uttar Pradesh, Karnataka, Odisha, and Uttarakhand (Tranche IV).

In the same month, SECI called for proposals to select an executing agency for preparing detailed project reports for green hydrogen hubs under Component B1 of the National Green Hydrogen Mission.