Electrical Substation Maintenance and Calibration Services for Power Grid Equipment

This tender is issued by the Power Grid Corporation of India Limited, a key entity under the Ministry of Power, for critical maintenance and replacement services at their 765 kV Substation located in Ettayapuram, Tuticorin District, Tamil Nadu (PIN: 628902). The scope of work, detailed under Bid Number GEM/2026/B/8183710, encompasses a comprehensive range of services including the replacement of vital components such as power supply units (VOX NEVO plus 600S), interconnect boards, and power supply units (EZT 12kV 24V). Furthermore, the tender includes essential calibration services for various specialized testing equipment, such as winding resistance measurement kits (Model MTO250), Tan delta kits (Model DELTA 4110, including one by Megger), CT Analyzers, BDV test kits (Model OTS100AF), Insulation Testers, Earth Fault Detectors, Harmonic Analyzers (PQ Analyser MPQ1000), Phase Angle Meters, Phase Sequence Meters, and CT Secondary Winding Magnetization Kits. The tender also specifies the diagnosis and repair of HV cables for a Tan delta test kit, along with the supply of LV cables for the same. The application authority should note the total quantity of items/services required is 22, and the bidding period spans from October 21, 2026, 5:45 PM to October 28, 2026, 3:00 PM. This opportunity is crucial for ensuring the reliable and efficient operation of the power grid infrastructure.