United States
Transformers & Switchgear
in Washington D.C..
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 Washington D.C.. 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.
Washington D.C. is supplied by Pepco (Potomac Electric Power Company, Exelon subsidiary) at 4/13.8 kV MV with 69/230 kV transmission within PJM Interconnection. The federal grid is unique in the US for its underground-by-default distribution within the L'Enfant City and the dense vault network feeding the federal buildings. Specifications follow IEEE C57.12.00 with Pepco's MS-2401 pad-mount standard, ester-fluid mandatory for vault network, copper windings, IEEE 693 moderate seismic and IP55 enclosures for the Potomac floodplain. Tender drivers: the National Mall museum substation upgrades, the WMATA Metrorail Silver Line extension, Joint Base Andrews electrification, the Reagan National Airport (DCA) terminal 1 rebuild and the proposed Long Bridge rail crossing.
Utility partners in Washington D.C.
Other markets in United States
Nearby cities we serve.
Product catalogue
Recommended products for Washington D.C..
A curated portfolio of transformers and switchgear matched to local utility specifications, standards and project drivers.
Frequently Asked Questions — Washington D.C.
For projects in Washington D.C., 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 Pepco 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 Washington D.C.?
Regionally compliant transformers and switchgear delivered to Washington D.C. with witnessed FAT and on-site commissioning.



