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This Solicitation opportunity from Tennessee was posted on June 24, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Three Phase, Subway-Type Network Transformers

Closed
Z4663State & Local

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The contract specifies the procurement of three-phase, subway-type network transformers rated at 60 hertz with ONAN cooling, designed for high voltage input of 13,750 volts in a delta configuration featuring two 2.5% full capacity taps above and two 2.5% full capacity taps below the rated voltage. The low voltage output is set at 277/480 volts without any taps. Each transformer must be equipped with a high voltage three-position disconnect and grounding switches, all compliant with the latest version of NES Specification ET-258-12, with an exception allowing only a single compartment for the primary disconnect and grounding switch. The manufacturer is required to provide actual loss data, including excitation and total losses, prior to or with shipment. Approved manufacturers are limited to PIONEER, GENELEC, ABBAUTO, and CARTEIN. The solicitation is issued by Nashville Electric Service under reference Z4663, with a response deadline of July 8, 2026, and performance required in Nashville, Tennessee. All correspondence and submissions must be directed to Jay Thompson, Procurement Contact, via jethompson@nespower.com.

General Info

Procure three-phase 13.75kV/480V transformers with ONAN cooling, approved manufacturers only, due July 8, 2026, for Nashville Electric Service.

Agency

Tennessee → Nashville Electric ServiceView Agency

NAICS

335311 - Power, Distribution, and Specialty Transformer ManufacturingView NAICS

Place of Performance

Nashville, TN, USA

Set-Aside

NONE

Documents

(1)

RFB Z4663 - 750 KVA Network Transformers for NES

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Timeline

PhaseClosed
Posted

Solicitation

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyTennessee → Nashville Electric Service
Contacts1 person available
OfficeNashville, TN, USA
Organization / Agency
Tennessee → Nashville Electric Service
View Agency Profile
Office AddressNashville, TN, USA
Contacts
Jay ThompsonProcurement Contact

Full Description

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KVA THREE PHASE, 60 HERTZ, ONAN, SUBWAY-TYPE, NETWORK TRANSFORMERS. HIGH VOLTAGE 13,750 VOLTS DELTA WITH (2) 2.5%FULL CAPACITY TAPS ABOVE RATED VOLTAGE AND (2) 2.5% FULL CAPACITY TAPS BELOW RATED VOLTAGE, LOW VOLTAGE 277/480 VOLTS NO TAPS. TRANSFORMERS ARE TO BE FURNISHED WITH HIGH VOLTAGETHREE POSITION DISCONNECT AND GROUND SWITCHES. ALL TO BE IN ACCORDANCE WITH LATEST VERSION OF NES SPECIFICATION ET-258-12. EXCEPTION TO ET-258-12 SECTION 5.3: ONLY SINGLE COMPARTMENT WILL BE ACCEPTED FOR THE PRIMARY DISCONNECT AND GROUNDING SWITCH. ACTUAL LOSS DATA (EXCITATION LOSS AND TOTAL LOSS) SHALL BE FURNISHED BY THE MANUFACTURER PRIOR TO OR WITH THE SHIPMENT OF TRANSFORMER(S). Approved Manufacturers and/or Part Numbers: PIONEER. GENELEC. ABBAUTO. CARTEIN.

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