Mahanadi Coalfields, a subsidiary of Coal India, has invited bids for the installation and commissioning of 2.5 MW of grid-connected rooftop solar systems with net metering arrangements on residential and non-residential buildings in Odisha.

The successful bidder will be responsible for the project’s operation and maintenance for five years.

The last date to submit the bids is January 3, 2023. Bids will be opened on January 5.

The project’s estimated cost is pegged at ₹122.29 million (~$1.48 million).

According to the terms of the tender, the bidders must submit ₹1.53 million (~$18,553) as an earnest money deposit.

The successful bidder will also have to furnish 3% of the contract amount as a performance security within 21 days of the letter of award.

Further, the eligibility criteria for participants mandate that they must have completed three similar works, each costing not less than 40% of the estimated cost of the project, or two similar works, each costing not less than 50% of the estimated cost, or one similar work costing not less than 80% of the estimated cost of the project in the last seven years.

The average annual turnover of bidders during the last three years should be at least 30% of the project’s estimated cost.

Only ‘Class-I local suppliers’ and ‘Class-II local suppliers’ are eligible to bid for the tender. Purchase preference will be given to ‘Class-I local suppliers.’

A ‘Class-I local supplier’ provides goods, services, or works with 50% or more locally produced inputs.

Any bidder from a country that shares a land border with India will be eligible to bid on this tender.

The tender specified that the solar modules for the project should be from the Approved List of Models and Manufacturers issued by the Ministry of New and Renewable Energy.

The solar array should comprise the monocrystalline passivated emitters and rear contact modules with a minimum capacity of 540 Wp. The solar module efficiency should be at least 19%.

Additionally, each solar module should be warranted by the manufacturer for at least 90% of its rated power during the first ten years and at least 80% of its rated power at the end of 25 years from the completion of the trial run.

The predicted electrical degradation of power generated should not be more than 10% of the full rated original output during the initial 10-year period and should not exceed 20% of the minimum rated power over the 25-year period.

Recently, South Eastern Coalfields invited bids to install and commission 4 MW of grid-connected rooftop solar systems in Chhattisgarh and Madhya Pradesh.

Earlier, Mahanadi Coalfields invited bids for the engineering, procurement, and construction of a 50 MW grid-connected solar power project with evacuation infrastructure in Odisha.

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