Bharat Electronics Limited (BEL), a Government of India enterprise, has invited bids for the supply of polycrystalline solar modules for 2.86 MW of grid-connected solar power projects at Akola and Amravati in Maharashtra.

The last date to submit the bids is January 27, 2021. The bids will be opened on January 28. Bidders are not required to pay an earnest money deposit.

The solar modules should be delivered within four weeks from the receipt of the purchase order. The polycrystalline solar modules will have a five-year warranty from the date of installation and commissioning or five years and six months from the date of supply, whichever is earlier.

The module types and quantities are given in the table below:

As per the tender document, the solar modules should be of polycrystalline silicon of Tier-I/Bureau of Indian Standards (BIS) approved make. The module conversion efficiency should be equal to or greater than 16% under standard testing conditions. The modules should qualify for the IEC 61730 Part-I and II for safety qualification testing. The modules should also perform satisfactorily in humidity up to 85 % with temperature in the range of -10 degrees Celsius and +85 degrees Celsius.

The glass used to make the crystalline silicon modules should be toughened low iron glass with a minimum thickness of 3.2/4 mm. The modules should be warranted for their output peak watt capacity, which should not be less than 90% of the initial value at the end of 10 years and 80% of the initial value at the end of 25 years. The back sheet used in the crystalline silicon-based modules should be of a three-layered structure. The outer layer should be of fluoropolymer, the middle layer of polyester (PET)-based, and the inner layer of fluoropolymer or UV resistant polymer.

Recently, the Kerala State Electronics Development Corporation Limited (KELTRON) invited bids to supply monocrystalline solar modules for a 2 MW solar power project.

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