NTPC Vidyut Vyapar Nigam Limited (NVVN), a subsidiary of NTPC Limited, has invited online bids for the installation of a 3450 kW grid-connected rooftop solar power project across various buildings in three districts of Andaman and Nicobar Islands. The tender is part of the government’s renewable energy push and will be conducted on a single-stage, two-envelope basis—comprising techno-commercial and price bids—via the government e-procurement portal.
Interested companies can download the tender documents from the NTPC’s e-tender portal. All bids must be submitted online and accompanied by a bid security of ₹95,79,000 (ninety-five lakh seventy-nine thousand rupees). The cost of the bidding document is ₹22,500. Important dates such as the last date for bid submission, query submission, and bid opening are published on the portal, and interested parties are advised to check the portal regularly for updates.
The scope of the work includes getting net-metering approval from the relevant authorities, designing and installing the rooftop solar systems as per MNRE and BIS specifications, taking care of safety and electrical standards, and providing a five-year warranty and operation & maintenance (O&M) support. The contractor is also responsible for transporting, storing, installing, testing, and commissioning the system at site. Additionally, the installer must ensure the roof’s condition remains undamaged and waterproof after installation.
All the materials required for installation, including net-metering equipment, scaffolding, tools, and labor, must be provided by the contractor within the quoted price. Moreover, the successful bidder will have to handle insurance, logistics, and any damage during the project independently. Underground cabling, if needed, will also be part of the bidder’s responsibility. Electricity and water usage during installation and O&M will be managed by the bidder.
To qualify for the tender, companies must have experience in installing solar PV projects of at least 400 kWp cumulatively, with at least one project of 40 kWp or more, which must have been operational for six months. Alternatively, companies with experience in industrial EPC projects worth ₹4 crore or more, and experience in installing electrical substations of 11 kV or higher, can also qualify. Financially, the average annual turnover should be at least ₹28.73 crore in the last three financial years, and the net worth should be 100% of the bidder’s paid-up share capital.
The performance bank guarantee (PBG) amount is not explicitly stated but typically follows standard norms, often around 3% to 5% of the total contract value. Also, bidders must pay Project Management Charges (PMC) to NVVN equal to 5% of the awarded value, including a portion to be paid upfront within 30 days of receiving the letter of award.
Only Indian suppliers under Class-I and Class-II local supplier categories are allowed to participate, in line with the government’s preference for Make in India. Bidders from countries sharing a land border with India must be registered with the competent authority to be eligible.
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