City of Columbia Ionwave #57/2026

Generator Step-Up Transformer Procurement for Columbia Energy Center

The City of Columbia, Missouri Utilities Department is seeking proposals for a generator step-up transformer for the Columbia Energy Center. - Government Buyer: - City of Columbia, Missouri, Utilities Department, Purchasing Division - Procurement officer: Brittany Miller - Products/Services Requested: - One generator step-up transformer - Must meet ANSI/IEEE and ASTM standards - Capacity: 50.0/67.0/83.0 MVA at 55°C rise and 56.0/75.0/93.0 MVA at 65°C rise - 3-phase, 60 Hz, 69kV high voltage, 13.8kV low voltage - ONAN/ONAF/ONAF cooling, bushings, current transformers, surge arresters, oil preservation system, de-energized tap changer, and all required accessories and controls - Delivery, assembly, field testing, and commissioning included - Field service for transformer installation and commissioning - Includes unloading, placement, reassembly, dew point testing, oil treatment, vacuum filling, commissioning tests (ASTM oil testing, transformer turns ratio, insulation resistance, winding resistance, excitation testing, Doble test equipment tests), functional checks, and verification of all components - OEMs and Vendors: - No specific OEMs or vendors named; equivalent products allowed if technical requirements are met - Unique/Notable Requirements: - Delivery, assembly, and commissioning must be completed within 45 days of transformer arrival on site - Proposals evaluated on cost, experience, and method of performance - Compliance with all technical specifications and standards is mandatory - Use of City's electronic bidding system required; no fax or email submissions accepted - Place of Performance/Delivery: - Columbia Energy Center, 4902 Peabody Rd., Columbia, MO 65202 - City of Columbia Utilities Department, 701 E. Broadway, 5th Floor, Columbia, MO 65201

Description

The City of Columbia, Missouri, is soliciting competitive sealed proposals for the provision of a Generator Step-Up Transformer for the Columbia Energy Center. The solicitation requires bidders to submit proposals electronically or by sealed hard copy by May 8, 2026. The contract period extends from the effective date through project completion, with delivery to the Columbia Energy Center. The procurement includes detailed scope of work, technical specifications, and a sample contract provided in the attachments.

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