NVVN Invites Bids for 250 MW/1,000 MWh BESS Projects

NTPC Vidyut Vyapar Nigam Ltd. (NVNN) has issued a tender for setting up 1,000 MWh (250 MW x 4 hrs) standalone battery energy storage systems (BESS) in India under TBCB with VGF support. It will have a greenshoe option of additional capacity up to 250 MW/1,000 MWh. Bid submission ends on March 24, 2025.

February 25, 2025. By Mrinmoy Dey

NTPC Vidyut Vyapar Nigam Ltd. has floated a tender for the selection of developers for the supply of energy from 1,000 MWh (250 MW x 4 hrs) standalone battery energy storage systems (BESS) in India with ‘on demand’ usage to be set up under tariff-based competitive bidding. The tender also has a greenshoe option of additional capacity up to 250 MW/1,000 MWh.

The projects will be eligible for Viability Gap Funding (VGF) support and will be set up under the BOO model.

The VGF amount eligible for each developer towards setting up the battery energy storage system (project) will be limited to the amount calculated INR 27 lakh/MWh or 30 percent of the capital cost of the project capacity awarded whichever is lower.

Bidders need to pay INR 22,500 as a tender document fee. Additionally, they need to deposit INR 15 lakh (plus GST) as a document processing fee. Further, they need to furnish INR 14.52 lakh/MW as an earnest money deposit (EMD). Selected bidders need to submit a performance bank guarantee of INR 36.32 lakh/MW, prior to signing of BEDPA.

The last date for submission of bids is March 24, 2025. The techno-commercial bids will be opened on March 25, 2025.

The minimum bid size will be 200 MWh i.e. 50 MW x 4 hours. Further, NVVN may allocate and tie up additional capacity up to 250 MW/1,000 MWh under the greenshoe option.

A bidder, including its parent, affiliate or ultimate parent or any group company must submit a single bid offering a minimum cumulative project capacity of 50 MW/200 MWh and a maximum cumulative project capacity of 125 MW/500 MWh.

The total 1,000 MWh BESS capacity, will be distributed and connected to ISTS substations anywhere in India as selected by the bidder.

BESSDs will be required to set up a battery energy storage system (BESS), with the primary objective of providing stored energy from BESS to NVVN, on an ‘on demand’ basis. Charging power must be arranged by BESSD on its own.

The net worth of the bidder must be equal to or greater than INR 1.45 crore/MW of the quoted capacity in MW (i.e. INR 36.32 lakh/MWh of the MWh capacity), as on the last day of the preceding financial year on the date of techno-commercial bid opening.

The bidder must possess a minimum annual turnover of INR 4.84 crore/MW of the quoted capacity in MW (i.e. INR 1.21 crore/MWh of the MWh capacity), in the financial year as on the date of techno-commercial bid opening.

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Energy Storage

NTPC Vidyut Vyapar Nigam Ltd

NVVN invites bids

NVVN tender

NVVN BESS tender

Battery Energy Storage Systems

Viability Gap Funding