THYRISTOR ASSEMBLIES FOR MILES CITY MT
Overview
Buyer
Place of Performance
NAICS
PSC
Set Aside
Original Source
Timeline
Qualification Details
Fit reasons
- NAICS alignment with historical contract wins in similar service areas.
- Scope strongly matches core technical capabilities and delivery model.
Risks
- Past performance thresholds may require one additional teaming partner.
- Potential clarification needed on staffing minimums before bid/no-bid.
Next steps
Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.
Quick Summary
The Department of Energy, Western-Upper Great Plains Region, is seeking a direct replacement of 24 single and 36 double thyristor assemblies for the Miles City, MT facility. This is a Solicitation under a Total Small Business Set-Aside. The procurement is justified as a sole source due to specific technical requirements. Responses are due by February 5, 2026, at 5:00 PM MT.
Scope of Work
This opportunity requires the direct replacement of 24 single and 36 double thyristor assemblies. These components are critical for the phase control of HVDC valves within the Miles City HVDC Converter. The assemblies must be 125mm in size with a 1.4" ceramic package thickness and rated for 5000V/5000A. They must feature matched heatsink profiles for direct replacement of existing Miles City Eupec assemblies. Delivery is required FOB Destination to Miles City, MT.
Technical Specifications
Detailed technical specifications outline various test parameters and limits, including VDM/IDM, VRM/IRM, IGT/VGT, VTM, Vdcrit, IREC, di/dt, Turn-off Time, and Blocking Stability. Test conditions are specified at R.T., 105°C, and 145°C, with specific pulse conditions and bias voltages. Bidders must ensure their proposed products meet or exceed these stringent performance requirements for compatibility and suitability.
Contract & Timeline
- Type: Solicitation
- Product Service Code: 6110 (Electrical Control Equipment)
- Set-Aside: Total Small Business Set-Aside (FAR 19.5)
- Response Due: February 5, 2026, 5:00 PM MT
- Published: January 28, 2026, 4:31 PM MT
Sole Source Justification
This procurement is a brand-name-only/single-source justification, citing FAR 12.102(a). The existing system is GE-designed, and GE is no longer in this business. Southern States is identified as the only manufacturer capable of providing direct replacement thyristor assemblies that meet the specific electrical, heat dissipation, and cooling efficiency requirements for the existing HVDC valve modules at Miles City. Only genuine brand-name parts will fulfill the government's needs.
Contact Information
For inquiries, contact Mary Pfeifle at pfeifle@wapa.gov or 605-566-6964.