NTPC Issues EPC Tender for 10MW40 MWh Battery Energy Storage System in Ramagundam

NTPC Limited has issued an invitation for bids (IFB) for the engineering, procurement, and construction (EPC) of a grid-connected battery energy storage system (BESS) with 10 MW and 40 MWh rated AC discharge capacity at a 33KV switchgear interconnection point in Ramagundam, Telangana.

The BESS must comprise of battery system, battery management system, energy management system and Supervisory Control and Data Acquisition (SCADA) system, power conversion system, protection system, communication system, auxiliary power system, monitoring and control system, firefighting, remote control and monitoring, and all other associated materials and accessories necessary for trouble-free operation and maintenance of the BESS system.

Successful bidders also must undertake all associated electrical and civil works required for grid interaction. They must also provide comprehensive operation and maintenance works throughout the project’s service life.

The cost of the bid documents is ₹22,500 (~$294). As bid security, bidders must pay ₹10 million (~$130,772).


The last day to submit the bids is May 23, 2022. The bids will be opened on the same day.

Bidders have multiple routes to achieve the technical criteria.

For the first route, bidders should have manufactured and supplied batteries for grid-interactive BESS of cumulative installed capacity of a minimum of 6 MW/6 MWh. At least one grid-interactive BESS should be of a minimum of 2 MW/2 MWh capacity. The reference grid-interactive BESS of a minimum 2 MW/2 MWh capacity must have been successfully operating for at least six months before the techno-commercial bid opening date.

For the second route, bidders could have supplied, installed, and commissioned grid-interactive BESS of cumulative installed capacity of a minimum of 6 MW/6 MWh. At least one grid-interactive BESS should be of a minimum 2 MW/2 MWh capacity. The reference grid-interactive BESS of a minimum 2 MW/2 MWh capacity must have been successfully operating for at least six months before the techno-commercial bid opening date.

For the third route, bidders should have executed in the last ten years an industrial project either as a developer or as an EPC contractor in power, steel, oil and gas, petrochemical, or any other process industry, of a value not less than ₹720 million (~$9.80 million) in a single project or single work respectively. The reference project must be in successful operation for at least one year before the techno-commercial bid opening date. Bidder must have also executed at least one electrical substation of minimum 33 kV voltage level, consisting of equipment such as 33kV or above voltage level circuit breakers and power transformer, either as a developer or as an EPC contractor. The electrical substation must also be in successful operation for at least one year before the techno-commercial bid opening date.

As of the techno-commercial bid opening date, bidders must have an average annual turnover of ₹720 million (~$9.80 million) in the last three financial years. The net worth of the bidders as of the last day of the preceding financial year should not be less than 100% of the bidders’ paid-up share capital.

NTPC had invited bids for the appointment of a qualified coordinating agency) for the floating solar project at its thermal power project in Ramagundam.

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