Indian utility doubles battery storage tender to 500 MW/1 GWh
The Vidyut Vyapar Nigam power trading arm of Indian utility the National thermal Power Company (NTPC) has doubled the size of its previously 250 MW/500 MWh grid-connected battery storage tender.
Tenders are now invited for 500 MW/1 GWh of standalone BESS.
The successful projects will be connected, at 220 kV, to two interstate electricity transmission system substations with a maximum 250 MW/500 MWh at each connection.
NTPC Vidyut Vyapar Nigam (NVVN) wants to use the energy storage systems on an “on-demand” basis suited to the requirements of grid peak and off-peak hours.
Selection of the successful BESS projects will be carried out using electronic bidding followed by an electronic reverse-auction to drive the lowest bids. Minimum bid size will be 50 MW/100 MWh and a maximum 250 MW/500 MWh will be available to each bidder.
NVVN will sign a battery energy-storage purchase agreement with successful bidders to use the storage capacity to trade electricity on the power exchange, to sell direct to electricity distribution companies and commercial and industrial clients, and to provide grid stabilization services.
From pv magazine India.
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