This tender invites electronic bids for the procurement of spares specifically for the DC-Power System at Tarbela 4th Extension Hydel Power Station, located in Tarbela, Khyber Pakhtunkhwa. The Pakistan Water and Power Development Authority (WAPDA) requires original manufacturers or authorized distributors registered with the Income Tax and Sales Tax Departments and listed on the Active Taxpayers List (ATL) of FBR to participate. The contract performance period is set for 120 days, emphasizing timely delivery and quality assurance for critical power system components. The scope involves supplying essential electrical spares that support the uninterrupted operation of the hydel power station's DC-Power System. Given the strategic importance of Tarbela's power generation, bidders must ensure compliance with technical specifications and standards suitable for high-reliability environments. The procurement process is conducted through the EPADS electronic platform, ensuring transparency and efficiency in bid submission and evaluation. Bidders should note the requirement for a Call Deposit Receipt (CDR) of PKR 59,000 as earnest money, payable to the Chief Engineer (O&M), Tarbela 4th Extension Hydel Power Station. It is advisable to verify PEC registration and maintain an active ATL status for the fiscal year 2025-26 to meet eligibility criteria. Familiarity with PPRA rules and WAPDA's procurement policies will aid in smooth bid preparation and submission. The submission deadline is set for the 25th of February, 2026, at 11:00 AM, with bid opening scheduled at 11:30 AM the same day at the Officer's Club, River View Colony, Tarbela. Bidders must submit their bids electronically via EPADS; manual submissions will not be accepted. The physical delivery of the original bid security must coincide with the bid submission deadline. Pro-Tip: Ensure the original bid security reaches the office before the closing time to avoid disqualification. Also, carefully review the EPADS portal for any addenda or clarifications issued, as these often contain critical updates that can impact bid compliance.