# Iowa State University Ionwave #RFQ-1001519

ISU seeks one 1,000 kVA oil-filled pad-mounted transformer

**Posted:** September 30, 2026
**Respond By:** October 14, 2026
**Identifier:** RFQ-1001519
**NAICS:** 335311

Iowa State University is seeking one specialty 1,000 kVA pad-mounted transformer for its Utilities Dining Facility.
- **Buyer:** Iowa State University of Science and Technology (ISU), Utilities Services Department; buyer contact listed as Matthew Linder.
- **Procurement:** One new, three-phase, 1,000 kVA oil-filled pad-mounted transformer, rated 13,800 V delta to 480/277 V grounded wye, 60 Hz. No separate services are requested.
- **Acceptable transformer OEMs:** **Hitachi, WEG, Eaton, ERMCO, Howard Industries, Square D, and GE Prolec.** The specified biodegradable dielectric fluid is **Cargill Envirotemp FR3**.
- **Key requirements:** Copper windings (aluminum is not allowed); sealed tank, self-cooled construction; ANSI green finish; PCB-free oil; 55/65°C temperature rise; minimum 5.75% impedance; four 2.5% no-load taps; and insulation ratings of 95 kV BIL on the high-voltage side and 30 kV BIL on the low-voltage side.
- **Accessories and construction:** Live-front radial-feed high-voltage terminations, specified high- and low-voltage bushings and compartments, tamper-resistant construction, three 10 kV distribution-class surge arrestors, ground pads, gauges, valves, and standard transformer fittings.
- **Performance and documentation:** Must meet applicable ANSI and NEMA standards and exceed 99% efficiency at any OA loading. Quote must include a completed transformer data sheet with guaranteed efficiency and loss values, plus an equipment delivery schedule and manufacturer lead times. Certified factory test results and approval drawings are required as specified.
- **Delivery:** Deliver to 616 Beach Road, Ames, Iowa. Freight must be included in the unit price; delivery is required by the solicitation’s stated deadline.

### Description

Iowa State University of Science and Technology is requesting quotes for one 1000 kVA oil-filled, pad-mounted transformer for its Utilities Services Department. The specified unit is 13,800V delta to 480/277V grounded wye, three-phase, and must meet the technical specifications and include required accessories. Bidders must submit the Transformer Data Sheet and an equipment delivery schedule; freight must be included in the unit price. Delivery is required by June 1, 2027, and the specified shipping address is 616 Beach Road, Ames, IA 50011.

[View original listing](https://iastate.ionwave.net/PublicDetail.aspx?bidID=2834&SourceType=1)