Three-Phase Pad-Mounted Distribution Transformers

The Grand River Dam Authority is requesting bids for 19 three-phase, pad-mounted distribution transformers, ranging from 150 kVA to 2,500 kVA, for delivery to its Pryor, Oklahoma transmission warehouse.

Grand River Dam Authority


General
Open
RFQ 4021
Sep 24, 2026 08:00 PM
Aug 25, 2026 08:33 PM
Request for Quote/Qualifications (RFQ)
State
Ask AI about this solicitation
Original Solicitation Links
Contact
waylon.cook@grda.com
+19189818452
Chouteau, OK, USA
Submission Instructions
Online
RFQ pricing and vendor information form, Bidder's Exception Statement to Terms and Conditions, Certificate of Non-Collusion and Relationships if pricing exceeds $25,000
Description

The Grand River Dam Authority is soliciting bids for 19 new, utility-grade, three-phase, liquid-immersed, self-cooled, tamper-resistant, pad-mounted distribution transformers. The order includes one 150 kVA unit, one 300 kVA unit, three 500 kVA units, four 1,000 kVA units, and ten 2,500 kVA units. Units must have 13.8 kV delta primary connections, 480Y/277 V four-wire wye secondary connections, 95 kV BIL, radial feed, dead-front primary interfaces, and copper or aluminum windings. Requirements include applicable IEEE, ANSI, NEMA, ASTM, and NFPA standards; non-PCB insulating liquid; outdoor-service corrosion and weather resistance; five high-voltage tap positions; specified bushings, gauges, grounding provisions, accessories, nameplates, and testing. Bidders must provide firm unit and total pricing including transportation, identify exceptions, delivery lead times, anticipated shipment dates, manufacturing location and country of origin, technical drawings and literature, and separately priced spare parts or accessories. Delivery is required by September 1, 2027, to the GRDA Transmission Warehouse. The equipment carries a 36-month warranty from delivery, subject to the stated installation limitation. Evaluation will consider price, delivery, compliance, past performance, and ability to meet project needs.

Classification Codes
NAICS335311Power, Distribution, and Specialty Transformer Manufacturing
PSC6150Miscellaneous Electric Power and Distribution Equipment
Smart Codes
distribution transformerspad-mounted transformersutility equipment manufacturing
Specifications
Supply Only
Timeline
Aug 25, 2026-Posted Date
Sep 22, 2026-Questions Due Date
Sep 24, 2026-Quote Due Date
Sep 1, 2027-Required Delivery Date
Requirements
Required
  • Workers Compensation
  • General Liability — $1,000,000.00
  • Auto Liability — $1,000,000.00
  • Excess/Umbrella Liability — $3,000,000.00
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