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NVNN Invites Bids for 250 MW/500 MWh Standalone BESS
Through this tender, NVNN wants to select Battery Energy Storage System Developers to set up 500 MWh (250 MW x 2 hrs) standalone battery energy storage systems in India for ‘on Demand’ usage under Tariff-based Competitive Bidding (ESS-I).
September 10, 2024. By EI News Network

NTPC Vidyut Vyapar Nigam Ltd. (NVVN), a wholly-owned subsidiary of NTPC Ltd., has recently floated a tender for setting up 250 MW/500 MWh standalone battery energy storage systems in India with viability gap funding support.
Through this tender, NVNN wants to select Battery Energy Storage System Developers (BESSD) for setting up 500 MWh (250 MW x 2 hrs) standalone battery energy storage systems in India for ‘on Demand’ usage under Tariff-based Competitive Bidding (ESS-I). The projects will be set up under Build-Own-Operate (BOO) mode.
Selection will be carried out through e-bidding followed by an e-Reverse Auction process. The minimum bid size shall be 100 MWh i.e. 50 MW x 2 hours. The last date for bid submission is September 17, 2024.
“A bidder, including its parent, affiliate or ultimate parent or any group company shall submit a single bid offering a minimum cumulative project capacity of 50 MW/100 MWh and maximum cumulative project capacity of 125 MW/250 MWh,” mentioned the RfS document.
The prospective bidder needs to deposit INR 22,500 (including GST) through NEFT/RTGS transfer in the account of the NVVN as a bid document fee. Further, a bid processing fee of INR 15 Lakh (Plus 18% GST) for the total project capacity quoted by the bidder, shall also be submitted through the NEFT/RTGS mode.
An earnest money deposit (EMD) of INR 7,30,000/MW per project shall be submitted in the form of a Bank Guarantee. Selected bidders need to submit a Performance Bank Guarantee (PBG) for a value of INR 18,25,000/MW, prior to the signing of BESPA.
“The selected bidder may choose either 765kV Bhadla-111 PS, Rajasthan [Under construction; anticipated by March 2025 (220kV bay would be developed)] or 400kV Banaskantha (Radhanesda) PS (GIS), Gujarat [Existing S/s (220kV bay would be developed)] as the delivery points for BESS,” noted the document.
The tender document further specified, “In case the BESSD wishes to set up more than one project, then the projects would need to be physically identifiable with separate injection points, control systems and metering arrangement. The project should be designed for interconnection with the ISTS network in accordance with the prevailing CERC regulations in this regard.”
The VGF amount eligible for each developer shall be limited to the amount calculated at INR 73,00,000/MWh or 40 percent of the capital cost of the project capacity awarded whichever is lower.
“It is proposed to promote only commercially established and operational technologies to minimize the technology risk and to achieve timely commissioning of the Projects. The Bidder may indicate regarding the selection of technology and its details at the time of submission of bids. The technology proposed at the time of submission can be changed at the time of financial closure,” noted the tender document.
It further specified that the net worth of the bidder should be equal to or greater than INR 73,00,000/MW of the quoted capacity in MW (i.e. INR 36,50,000 / MWh of the MWh capacity), as on the last day of the preceding financial year on the date of techno-commercial bid opening.
Through this tender, NVNN wants to select Battery Energy Storage System Developers (BESSD) for setting up 500 MWh (250 MW x 2 hrs) standalone battery energy storage systems in India for ‘on Demand’ usage under Tariff-based Competitive Bidding (ESS-I). The projects will be set up under Build-Own-Operate (BOO) mode.
Selection will be carried out through e-bidding followed by an e-Reverse Auction process. The minimum bid size shall be 100 MWh i.e. 50 MW x 2 hours. The last date for bid submission is September 17, 2024.
“A bidder, including its parent, affiliate or ultimate parent or any group company shall submit a single bid offering a minimum cumulative project capacity of 50 MW/100 MWh and maximum cumulative project capacity of 125 MW/250 MWh,” mentioned the RfS document.
The prospective bidder needs to deposit INR 22,500 (including GST) through NEFT/RTGS transfer in the account of the NVVN as a bid document fee. Further, a bid processing fee of INR 15 Lakh (Plus 18% GST) for the total project capacity quoted by the bidder, shall also be submitted through the NEFT/RTGS mode.
An earnest money deposit (EMD) of INR 7,30,000/MW per project shall be submitted in the form of a Bank Guarantee. Selected bidders need to submit a Performance Bank Guarantee (PBG) for a value of INR 18,25,000/MW, prior to the signing of BESPA.
“The selected bidder may choose either 765kV Bhadla-111 PS, Rajasthan [Under construction; anticipated by March 2025 (220kV bay would be developed)] or 400kV Banaskantha (Radhanesda) PS (GIS), Gujarat [Existing S/s (220kV bay would be developed)] as the delivery points for BESS,” noted the document.
The tender document further specified, “In case the BESSD wishes to set up more than one project, then the projects would need to be physically identifiable with separate injection points, control systems and metering arrangement. The project should be designed for interconnection with the ISTS network in accordance with the prevailing CERC regulations in this regard.”
The VGF amount eligible for each developer shall be limited to the amount calculated at INR 73,00,000/MWh or 40 percent of the capital cost of the project capacity awarded whichever is lower.
“It is proposed to promote only commercially established and operational technologies to minimize the technology risk and to achieve timely commissioning of the Projects. The Bidder may indicate regarding the selection of technology and its details at the time of submission of bids. The technology proposed at the time of submission can be changed at the time of financial closure,” noted the tender document.
It further specified that the net worth of the bidder should be equal to or greater than INR 73,00,000/MW of the quoted capacity in MW (i.e. INR 36,50,000 / MWh of the MWh capacity), as on the last day of the preceding financial year on the date of techno-commercial bid opening.
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