NHPC has initiated a tender process to select developers for the establishment of 1.2 GW of grid-connected solar photovoltaic (PV) projects featuring energy storage systems (ESS). Additionally, there is an opportunity for an extra 1.2 GW of capacity through a “greenshoe option.”
For every 1 MW of contracted capacity, developers must provide a minimum of 0.5 MW/1 MWh of ESS, which must be charged solely using solar energy. Developers will also need to identify and secure land for the projects across India. NHPC will be responsible for purchasing the generated solar power and selling it to state utilities, distribution companies (discoms), and other potential buyers. Following the bidding process, NHPC will establish 25-year power purchase agreements (PPAs) with the successful bidders.
The minimum capacity for a project is set at 50 MW, requiring an associated ESS component of 25 MW/50 MWh, with increments of 10 MW permitted under the Open category. The total capacity for bidders without the greenshoe option is capped at 600 MW, necessitating a minimum ESS of 300 MW/600 MWh. For those opting for the greenshoe option, the total capacity can reach up to 1,200 MW, with a corresponding ESS minimum of 600 MW/1,200 MWh. In certain states, the minimum project size is reduced to 30 MW, with an ESS requirement of 15 MW/30 MWh.
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