United States
Transformers & Switchgear
in San Diego.
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 Diego. 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 Diego is supplied by SDG&E (San Diego Gas & Electric, Sempra subsidiary) operating 12/16.5 kV at MV and 69/138/230 kV at transmission within CAISO. Post-wildfire PSPS hardening drives mandatory IEEE 693 high seismic, IEEE C57.12.00 utility-grade specs, SDG&E's covered-conductor and underground programmes, and CalFire ignition-resistant gear. Specifications: copper windings, ester-fluid for vault and biological-corridor zones, stainless-steel pad-mount enclosures (IEEE C57.12.28). Bulk supply: the Sunrise Powerlink 1,000 MW HVAC tie to Imperial Valley solar/geothermal, plus the proposed Lone Star battery/H2 storage. Tender drivers: Naval Base San Diego electrification, the Salk Institute / Scripps biotech cluster, San Diego International Airport's terminal 1 rebuild and shore-power conversion at the Port of San Diego.
Utility partners in San Diego
Other markets in United States
Nearby cities we serve.
Product catalogue
Recommended products for San Diego.
A curated portfolio of transformers and switchgear matched to local utility specifications, standards and project drivers.
Frequently Asked Questions — San Diego
For projects in San Diego, 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 SDG&E 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 Diego?
Regionally compliant transformers and switchgear delivered to San Diego with witnessed FAT and on-site commissioning.



