The Central Mine Planning and Design Institute (CMPDI), a Coal India subsidiary, has invited bids for the implementation of a grid-connected 8.5 MW solar power project for Central Coalfields Limited, Ranchi, at Bokaro, Jharkhand.

The last date for the submission of bids is August 31, 2023. Bids will be opened on September 1.

The scope of the work includes the design, supply, erection, commissioning, and testing of the solar project, along with five years of comprehensive operation and maintenance (O&M).

The work is estimated to cost ₹ 62.9 million (~$760,717).

Bidders have to submit an earnest money deposit of ₹5 million (~$60,482). Bids will remain valid for 180 days.

The successful bidder must furnish a performance security deposit amounting to 5% of the contract value within 21 days of the Letter of Acceptance.

The project must ensure a minimum net electrical energy generation guarantee (NEEGG) of 17,354,400 kWh at the feeding point during the initial year following the project’s initiation.

Three locations have been identified for the installation and operation of the solar power plants, each with varying capacities: The Washery Site is designated for a capacity of 4 MW, the Parking Site for 3 MW, and the Damodar River Site is earmarked for 1.5 MW.

The power-feeding substation for the washery site includes a 33/6.6kV substation.

For the parking and washery sites, there are 33/6.6kV substations. At the Damodar River site, the power supply originates from the Kargali substation.

To be eligible, bidders must prove experience in similar projects within the preceding seven years from the bid invitation date.

This can be fulfilled by either three projects, each costing at least 20% of the estimated tender amount, two projects, each costing at least 25% of the estimated tender amount, or one project, costing at least 40% of the estimated tender amount.

Similar works refer to projects involving the design, supply, installation, and commissioning of solar photovoltaic grid-connected power projects with a minimum capacity of 1.7 MW.

The solar project must have been in operation for at least six months before the technical bid opening.

Bidders must have an average annual financial turnover of at least 30% of the estimated cost.

They must also demonstrate possession of working capital of a minimum of 20% of the annualized value or estimated value  of the project.

CMPDI earlier invited bids to install 1.03 MW of solar power projects for Central Coalfields in Jharkhand.

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