United States
Transformers & Switchgear
in San Antonio.
ETS delivers IEEE C57-compliant power transformers, distribution transformers, switchgear and package substations to utilities, EPC contractors, oil & gas operators, renewable developers and data-centre projects across San Antonio. Triple-certified manufacturing (IEC, ANSI/IEEE, UL) supports utility-grade procurement with witnessed FAT, ISO/IEC 17025 testing and turnkey delivery.
Market context
Local grid, utilities, climate and procurement.
San Antonio is supplied by CPS Energy — the largest municipally-owned utility in the United States by customer count (900,000+) — operating 13.2/24.9 kV at MV and 138/345 kV at transmission within ERCOT. Bulk supply comes from the South Texas Project Nuclear (2,560 MW, CPS holds 40%), the Spruce coal complex (decommissioning by 2030) and a 1+ GW solar/storage portfolio. Specifications follow IEEE C57.12.00 with CPS Energy's Material Standard ESM-D-001, copper windings, IEEE 693 seismic and ESPA-driven flood-zone hardening. Tender drivers: Toyota Manufacturing Texas expansion, the JBSA (Lackland-Randolph) electrification, the Eagle Ford Shale midstream load and the Microsoft/Meta data-centre cluster on the south side.
Utility partners in San Antonio
Other markets in United States
Nearby cities we serve.
Product catalogue
Recommended products for San Antonio.
A curated portfolio of transformers and switchgear matched to local utility specifications, standards and project drivers.
Frequently Asked Questions — San Antonio
For projects in San Antonio, ETS quotes 16–20 weeks for distribution transformers (11–33 kV, up to 5 MVA) and 22–28 weeks for power transformers (33 kV and above, up to 60 MVA), inclusive of witnessed Factory Acceptance Testing to CPS Energy specifications and ex-works delivery. Express slots are sometimes available for repeat customers — confirm at quote stage.
Operating elsewhere?
See our markets in other regions.
Procuring for San Antonio?
Regionally compliant transformers and switchgear delivered to San Antonio with witnessed FAT and on-site commissioning.



