Tamil Nadu Newsprint and Papers (TNPL) has floated bids to install 2.2 MW of grid-connected captive rooftop solar installations across its buildings.The first 1.1 MW system must be installed at TNPL’s Karur paper mill which has an average solar irradiation of 5.60 W per square metre. The second will be established in the Trichy facility which has a solar irradiance of 5.56 W per square metre on an average. According to the tender guidelines, the project should be finished within 90 days of site clearance. Also, the developer must provide extensive operational and maintenance services for a period of five years.
Additionally, separate metering arrangements must be arranged for each rooftop system, and energy metres must be installed for each building. The DC power generated from the system will be converted into three-phase AC power using inverters, and AC power at 415V level will be transmitted to the LT control panels available in the same building. Any surplus solar power will be transmitted to the nearest LT loads to minimise line losses. The solar modules used for the project must be from the Ministry of New and Renewable Energy’s Approved List of Models and Manufacturers and have a minimum capacity of 250 Wp. The module efficiency should also be at least 16 per cent.The deadline for bid submission deadline is May 31, 2023.
Recently, in May 2023, Bharat Heavy Electricals (BHEL) has requested bids for the operation and maintenance of a 65 MW solar power facility in Tamil Nadu for NLC India for a period of 19 months. According to the tender guidelines, the bidders must provide Rs 786,800 as an earnest money deposit. Also, as a performance security, the bidder must provide an amount equal to 5 per cent of the total contract value.
Also,in the same month, Tamil Nadu Cooperative Milk Producers’ Federation (TCMPF) requested bids for a five-year open access arrangement to acquire 30 MW of solar, wind, or excess power from producers.The TCMPF is made up of 25 district cooperative milk producer unions. According to the tender guidelines, the scope of work comprises purchase of solar and wind electricity, as well as surplus power from producers, for metro dairies, one product dairy, one dairy-cum-powder mill at Ammapalayam, Madurai ice cream plant, and other outlets.