Power Transformer Purchase

New Braunfels Utilities, a municipally owned utility in Texas, is requesting proposals for the purchase of three power transformers with an option to purchase one additional unit, with proposals due August 3, 2026.

The scope covers three-phase power transformers rated at 20/26.667/33.33/37.33 MVA, stepping down 138 kV to 13.09Y/7.56 kV, equipped with load tap changer capability, and rated for 60 Hz operation in outdoor distribution substations in Central-South Texas. The three required transformers are designated for the FM 3009, Freiheit, and Sheriff's Posse substations; the optional fourth unit is for the Hortontown substation. All equipment must comply with ANSI, IEEE, NEMA, NFPA, and ASTM standards covering transformer design, construction, testing, insulation, and safety. Vendors must include factory assembly, comprehensive testing, shipping, and warranty in their proposals.

Delivery dates are staggered: Freiheit by November 20, 2028 (30 days), FM 3009 by February 1, 2029 (30 days), Sheriff's Posse by December 1, 2029 (30 days), and Hortontown as soon as possible if selected. NBU reserves the right to purchase any number of transformers from any single bidder or distribute purchases among multiple bidders in any combination. Coordinating contacts are Jeff Morriss (830.608.8881) and Michael Najera (830.660.0660). The specification document was issued June 9, 2026, and authorized by Steven V. Deases, P.E. #109821.