NTPC Green Energy launches 250 MW/1,000 MWh battery storage tender

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NTPC Green Energy Ltd (NGEL) has issued a tender for the engineering, procurement, and construction (EPC) of a grid-connected 250 MW/1,000 MWh battery energy storage system (BESS) at its Kayamkulam thermal power plant.

The scope of work includes the design, engineering, supply, construction, erection, testing, and commissioning of the BESS on a turnkey basis. It also covers comprehensive operation and maintenance (O&M) of the system for 15 years following the successful completion of the trial run.

The project is divided into two blocks:

  • Block 1: 125 MW/500 MWh, integrated at the 33 kV existing solar pooling switchgear

  • Block 2: 125 MW/500 MWh, integrated at the 220 kV switchyard

According to the tender document, the BESS must be supplied in standardized containers, each with a minimum direct current (DC) capacity of 5 MWh.

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