Sarusajai Grid Substation Conversion to 220kV GIS with 400kV Upgrade Capability

This tender seeks a comprehensive turnkey construction project to convert the existing 220/132/33kV AIS (Air Insulated Switchgear) Sarusajai Grid Substation in Guwahati, Assam, into a 220kV GIS (Gas Insulated Switchgear) Grid Substation. The scope of work includes the transformation of 220/132kV, with a capacity of 4x200MVA, and 132/33kV, with a capacity of 3x80MVA, along with associated transmission lines. A critical requirement of this project is the provision for future upgradation to a 400kV Substation. The tender is being invited by the Assam Electricity Grid Corporation Ltd (AEGCL), a State Government and UT organization. The tender reference number is AEGCL/MD/Tech-1230/Sarusajai GSS Upg/2026/BID. Key dates for prospective bidders include the document download period from August 24, 2026, 10:00 AM to October 16, 2026, 12:00 PM, with a bid submission window opening on September 23, 2026, at 9:00 AM and closing on October 16, 2026, at 12:00 PM. Bids will be opened on October 17, 2026, at 2:00 PM. The tender fee is ₹ 5000, and the Earnest Money Deposit (EMD) is ₹ 7,50,00,000. The ePublished Date is August 22, 2026, 9:00 AM. This is an open/advertised tender for Electrical Works, specifically focusing on substation upgradation. The Tender Inviting Authority is the Chief General Manager (PPnD) at AEGCL, located at O/o the MD, AEGCL, 1st Floor, Bijulee Bhawan, Paltan Bazar, Guwahati-781001.