Magazine

Last edition
July-August 2026

Home › Energy Storage ›Andaman and Nicobar Invites Bids for 20 MWh BESS Project Under RESCO Mode

Andaman and Nicobar Invites Bids for 20 MWh BESS Project Under RESCO Mode

The Electricity Department of the Andaman and Nicobar Administration has issued a tender for developing a 20 MWh grid-connected BESS at Dollygunj, under RESCO mode, comprising 4 MW/4 MWh for grid stability and 4 MW/16 MWh for energy storage. Bid submission ends on September 29, 2026.

September 04, 2026. By Mrinmoy Dey

Electricity Department, A&N Administration, has floated a tender for developing a 20 MWh grid-connected Battery Energy Storage System (BESS) at Dollygunj, Andaman and Nicobar Islands, on RESCO mode.

The BESS Project shall comprise two subsystems, one with a rating of 4 MW/4 MWh (ESS-1) for grid stability support functions and the other with a rating of 4 MW/16 MWh (ESS-2) for storage and delivery of power. Setting up of both ESS-1 and ESS-2 will constitute one project and will be under the scope of a single BESS developer (BESSD).

The project must be developed under a build, own and operate (BOO) model and include 12 years of comprehensive operation and maintenance (O&M).

The indicative capital cost of the project is INR 60 crore.

Bidders need to furnish INR 1.20 crore as an earnest money deposit (EMD). The selected bidder must deposit INR 3 crore as a performance bank guarantee (PBG).

The last date for submission of bids is September 29, 2026. The techno-commercial bids will be opened on September 30, 2026.

The total project capacity of 20 MWh BESS must be located in the premises of the 20 MW Solar PV (SPV) plant of NLC India at Dollygunj, Sri Vijaya Puram, in Andaman and Nicobar Islands.

The BESSD must guarantee a minimum system availability of 95 percent on an annual basis. The BESSD must also guarantee AC-to-AC round-trip efficiency (RtE) of 85 percent of the system on a monthly basis.

The net worth of the bidder must be at least INR 10 crore, as on the last date of FY26 or as on the day at least seven days prior to the bid submission deadline.

Additionally, the bidder must demonstrate sufficient financial capacity by meeting at least one of the following criteria: an annual turnover of INR 5.20 crore in FY26; Profit Before Depreciation, Interest and Taxes (PBDIT) of at least INR 1.04 crore; or an in-principle bank/financial institution credit line of INR 1.30 crore to meet the project’s working capital requirements.

Download the attached file

Tags:

Energy Storage

Andaman and Nicobar Islands

Andaman and Nicobar

BESS project in Andaman and Nicobar

RESCO BESS Projects