
England
Transformers & Switchgear
in London.
ETS delivers BS EN 60076-compliant power transformers, distribution transformers, switchgear and package substations to utilities, EPC contractors, oil & gas operators, renewable developers and data-centre projects across London. 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.
London is supplied by UK Power Networks (UKPN) on the LPN (London Power Networks) licence area covering the Greater London core. The grid runs 11/33 kV at MV stepped down from 132/275/400 kV transmission, with a heavy reliance on indoor primary substations sited beneath commercial buildings due to land scarcity. Demand is driven by the data-centre cluster in Slough/East London (Europe's largest), the Thames Tideway and Crossrail / Elizabeth Line traction-power upgrades, the Battersea Power Station regeneration, and the Olympic-legacy redevelopment in Stratford. Specifications follow ENATS 35-1, BS EN 50588-1 (Tier 2 ecodesign) and UKPN's 'Engineering Design Standard EDS 06-1100' for indoor units with K-class fire-rated dielectric fluids (typically natural ester) mandatory for sub-basement substations. Tender hints: UKPN procurement runs the RIIO-ED2 framework with strong preference for amorphous-core distribution units and natural-ester insulation.
Local trust signals — London
- Signature client
- UK Power Networks (UKPN) RIIO-ED2 framework supplier on the LPN (London Power Networks) licence area, channelled via Sura Power Ltd — ETS's UK partner with direct UKPN vendor portal access since 2019.
- Reference project
- Slough / East London hyperscale data-centre estate (Europe's largest cluster), Crossrail / Elizabeth Line traction-power package units, plus Battersea Power Station and Stratford Olympic-legacy regeneration substations.
- Local factor
- Land-scarce indoor primary substations beneath commercial buildings + heritage-listed listed-building constraints — UKPN EDS 06-1100 mandates K-class fire-rated natural-ester dielectric fluids and amorphous-core ENATS 35-1 distribution units for sub-basement vault networks.
Utility partners in London
Other markets in England
Nearby cities we serve.
Product catalogue
Recommended products for London.
A curated portfolio of transformers and switchgear matched to local utility specifications, standards and project drivers.
Frequently Asked Questions — London
For projects in London, ETS quotes 14–18 weeks for distribution transformers (11–33 kV, up to 5 MVA) and 20–26 weeks for power transformers (33 kV and above, up to 60 MVA), inclusive of witnessed Factory Acceptance Testing to UKPN 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 London?
Regionally compliant transformers and switchgear delivered to London with witnessed FAT and on-site commissioning.



