NTPC Renewable Energy Ltd (NTPC REL) has issued separate tenders for a 300 MW solar PV project in Rajasthan and up to 2 GW/12 GWh of interstate transmission system (ISTS)-connected pumped hydro energy storage capacity under a long-term service model.
The solar EPC tender covers the development of a 300 MW grid-connected PV project near Nokhra, Rajasthan. The selected contractor will be responsible for the design, engineering, procurement, supply, installation, testing, and commissioning of the project, including the supply of solar modules. The scope also includes comprehensive operation and maintenance services for three years after commissioning.
In a separate tender, NTPC REL has invited bids for the development of 2 GW/12 GWh of ISTS-connected pumped hydro energy storage projects located anywhere in India.
The state-owned company plans to use the storage capacity to support its round-the-clock (RTC) renewable energy commitments by integrating pumped hydro storage with its solar and wind power projects.
Under the tender terms, developers must offer a minimum capacity of 500 MW at a single location, although bidders may quote higher capacities up to the aggregate requirement of 2 GW. Each project must provide a minimum storage duration of six hours.
The capacity will be procured through a global competitive bidding process followed by a reverse auction. NTPC REL will sign energy storage service agreements with the selected developers on an annual fixed-charge basis for a period of 25 years.
Electricity generated from NTPC and NTPC REL renewable energy projects will be used to charge the storage facilities. The company will dispatch the stored energy on demand during peak and off-peak periods to meet its RTC renewable power supply obligations.
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