NTPC Re-tenders 400 MWh BESS EPC Package in Maharashtra

NTPC has re-tendered the 400 MWh BESS EPC package at its Mouda Super Thermal Power Station in Maharashtra, following the termination of the earlier INR 413.37 crore contract with GR Infraprojects. Bid submission ends on October 22, 2026.

September 23, 2026. By Mrinmoy Dey

NTPC has re-tendered an EPC Package for setting up a 400 MWh Battery Energy Storage System (BESS) at its Mouda Super Thermal Power Station in Nagpur, Maharashtra.

The project was earlier awarded to GR Infraprojects in March 2026 at a total contract value of INR 413.37 crore. The contract was terminated last week, which is why it has been retendered.

The scope of work includes the complete battery storage system, including the battery, BMS, EMS, SCADA, PCS, protection, communication, HT/LT and auxiliary systems, fire safety, and remote monitoring and control. It also includes interconnection with the existing thermal power plant.

The BESS must be designed for two-cycle operations per day. The designed service life of the BESS must be 12 years. The bidder must provide an 11-year comprehensive annual maintenance services after successful completion of the Performance Guarantee (PG) test.

Bidders must deposit INR 10 crore as a bid security.

The last date for submission of bids is October 22, 2026 till 1:00 PM. The techno-commercial bids will be opened on the same day at 4:00 PM.

The bidder must meet at least one of the following experience criteria: supply of at least 20 MWh of grid-connected BESS, including one project of 5 MWh or more operational for at least six months; or supply and commissioning of at least 20 MWh of grid-connected BESS, with one 5 MWh or larger project operational for six months.

Alternatively, the bidder can have experience in 40 MWAC or more of grid-connected solar/wind projects, including one project of at least 10 MWAC operational for six months.

Another route is experience in executing industrial projects worth at least INR 375 crore, including one project worth INR 150 crore or more, along with at least one 33 kV or higher electrical substation, with the projects operational for at least six months.

As for financial eligibility, the average annual turnover of the bidder in the preceding three financial years must be at least INR 414 crore.

Additionally, the bidder must have a net worth of at least 25 percent of its paid-up share capital as of the last day of the preceding financial year. Its net worth should also not have declined by more than 30 percent over the previous three financial years.

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Energy Storage

NTPC Tender

NTPC BESS tender

BESS project in Thermal Power Plant

Mouda Super Thermal Power Station