The Eastern Railway has invited bids to install 1.9 MW of grid-connected rooftop solar systems across multiple sites in the Sealdah Division of West Bengal.

The project’s estimated cost is ₹67.42 million (~$814,472) and must be completed within 12 months of receiving the work order.

Bids must be submitted by January 24, 2023, and they will be opened on the same day.

Bidders must submit an earnest money deposit of ₹487,100 (~$5,884).

The scope of work includes conducting a survey, designing, fabricating, supplying, installing, testing, and commissioning 38 units of 50 kW grid-connected rooftop solar systems for three-phase 50 kW power with voltage ranging from 200V to 1,000V.

The minimum installed capacity in any location must be 10 kW.

The selected developers must also provide materials and accessories for the solar system, including string inverters, module mounting structures, cables, earthing, and junction boxes.

Developers must guarantee that the solar modules will be free of defects and failures for at least the first five years from commissioning.

Bidders must have completed three similar projects, each costing at least 30% of the tendered project cost, two similar projects, each costing at least 40% of the project cost, or one similar project costing at least 60% of the project cost in the last seven years.

Work experience certificates issued by government organizations or publicly listed companies with an average annual turnover of at least ₹5 billion (~$60.4 million) in the last three financial years will be considered for the tender.

The company must also be listed on the National Stock Exchange or BSE and incorporated at least five years before the tender closing date.

In December last year, Minister of Railways Ashwini Vaishnav informed the Lok Sabha that Indian Railways will work towards achieving net-zero carbon emissions by 2030 and is committed to 100% electrification of the broad gauge railway network.

Until October 2022, Railways had commissioned around 142 MW of solar capacity on rooftops and vacant land.

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