NTPC REL Issues Tender With BoS Package For 1.2 GW Solar Project At Khavda RE Park

NTPC Renewable Energy Limited (NTPC-REL), a subsidiary of NTPC issued a tender for a 1.2 GW solar project comprising four blocks of 300 MW at its Khavda Renewable Energy Park in the South Block of the Rann of Kutch, Gujarat. The tender seeks bids for a Balance of System (BoS) package to develop the project, with the submission deadline set for December 26, 2024.

The successful bidder will undertake the manufacturing and commissioning of the solar plant. This excludes the supply of solar PV modules, which will be provided by NTPC REL as a free-issue item. The bidder will also handle the receipt, unloading at the site, storage, installation, testing, and commissioning of solar PV modules.

Scope of Work

The tender mandates the bidder to undertake the designing and construction of foundations and erection of Module Mounting Structures (MMS) with tracker-based technology for SPV panels at a DC:AC ratio of 1.30. This included fixing PV modules on the tracker and interconnecting PV modules. Whereas, the design/engineering, procurement, and installation of electrical DC systems up to the inverter shall consider a DC:AC ratio of 1.35.

The bidder would be responsible for arranging power and water supply for construction purposes at khavda. They would undertake the construction of pre-engineered inverter rooms (if applicable) with power conditioning units and associated low-tech (LT) and high-tech (HT) switchgear. In the case of string inverters, construction of pre-engineered HT switchgear rooms.

The bidder would also undertake all associated electrical and civil works required for grid interfacing (i.e., transformers, panels, protection systems, cables, metering at the 33 kV level, and Laying. Additionally, the bidder would also undertake the design, supply, and installation of a module cleaning system (robotic dry-cleaning method), including all accessories. The robotic dry-cleaning system must meet a 25-year design life certified by the bidder for a C4 category corrosion environment.

Design, supply, installation, testing, and commissioning of dynamic reactive power compensation equipment and other power quality control equipment such as harmonic filters and flicker compensators to comply with requirements at the POI to the 400 kV Khavda ISTS Substation, as per grid connectivity regulations and the “Report of the Working Group in Respect of Data Submission Procedure and Verification of Compliance to CEA Regulations on Technical Standards for Connectivity to the Grid by RE Generators (July 2022).” Grid compliance studies shall be conducted by the owner with inputs from the bidder. Comprehensive operation and maintenance of the SPV plant, along with electrical equipment, consumables, and spare parts for three years from the commissioning date of the full project capacity. Supply of mandatory spares.