NTPC REL Issues Tender for 600 MW Wind Energy Project in Andhra Pradesh

NTPC Renewable Energy Limited (NTPC REL) issued a technical tender on August 19, 2026, for the supply and installation of wind turbine generators (WTGs) for a 600 MW wind energy project. Located in Anantapur, Andhra Pradesh, the project requires the installation of 200 individual turbine units. The infrastructure will operate under an Inter-State Transmission System (ISTS) connected framework to facilitate power distribution via the national grid.

Technical Specifications and Project Details

The project mandate includes specific technical requirements and infrastructure components as follows:

• Total Capacity: 600 MW (nominal).
• Installation Count: 200 Wind Turbine Generators.
• Turbine Rating: Minimum 3 MW per unit.
• Connectivity: ISTS-connected framework.
• Grid Infrastructure: Connection to the Anantapur-II ISTS Substation.
• Support Systems: Installation of Central Monitoring and Control Stations (CMCS) and Wind Monitoring Masts.

Bidding Timeline and Financial Criteria

Procurement follows a domestic competitive bidding process utilizing a Single Stage Two Envelope system (Techno-Commercial and Price bids). Bidders must register on the designated electronic tendering portal and submit a signed Non-Disclosure Agreement to access technical documents.

Key Bidding Schedule and Requirements

• Official Bidding Portal: ISN-ETS Portal (Interested bidders can locate this specific tender using the Tender Search Code: NTPCREL-2026-TN000034. Note that registration and a signed Non-Disclosure Agreement are required to download the official packages.)
• NTPC eProcurement Portal: NTPC Limited eProcurement Portal

Detailed Scope of Work and Compliance

The contractor must manage the full project lifecycle under the following active mandates:

• Design and engineer the wind farm, including detailed micro-siting and technical layouts.
• Manufacture and supply wind turbine generators, control panels, and associated equipment.
• Erect, test, and commission wind turbine models listed on the Approved List of Models and Manufacturers (ALMM) as mandated by the Ministry of New and Renewable Energy (MNRE).
• Establish guaranteed performance parameters for the complete wind farm, including SCADA and systems software.
• Construct unit substations (USS) for each WTG and 33 kV internal evacuation lines for grid integration.
• Execute all civil works, including tower foundations, USS foundations, control cabins, and road infrastructure.

Operations and Maintenance (O&M) Mandate

The selected bidder is responsible for a 10-year comprehensive operations and maintenance mandate beginning upon project commissioning. The O&M scope includes:

• Continuous maintenance of WTGs and unit substations.
• Management of pooling substations and associated monitoring systems.
• Operation of internal and external transmission systems, including EHV lines.
• Procurement and supply of all mandatory spare parts and consumables.
• Repair or replacement of all defective equipment throughout the 10-year term.

NTPC REL and India’s Wind Energy Landscape

NTPC REL is the renewable energy subsidiary of NTPC Limited. The company participates in various sectoral initiatives, including the IndianOil NTPC Green Energy Private Limited (INGEL) joint venture, a 50:50 partnership between Indian Oil Corporation Limited and NTPC Green Energy Limited.

The Anantapur region is a concentrated renewable energy zone in Andhra Pradesh, currently hosting infrastructure developments from Suzlon, Tata Power, and Envision Energy—the latter deploying 3.3 MW smart wind turbines.

This project aligns with India’s national objective to triple wind capacity by 2030. India currently maintains the 4th highest installed wind power capacity globally. As of early 2026, the domestic sector includes 44 active manufacturers with 329 registered turbine models listed under the ALMM framework.