🇨🇿 Transformer Industry — Czechia

Czechia operates a 50 Hz ENTSO-E grid under ČEPS (transmission) and the distribution companies, with a strong industrial and manufacturing base and a significant transformer/component OEM presence. Grid renewal and interconnection drive steady demand.

3manufacturers tracked

1grid operators

50 HzContinental Europe

0upcoming events

Grid & utilities

ČEPSNational TSO400 kV ↗

Transformer manufacturers

4 maker records in the Czechia census — power, distribution and dry-type. All Czechia manufacturers →

ETD TransformátoryPlzeňPT,DT

Elpro-EnergoHnojníkDT

SGB-SMIT CzechOlomoucDT

Components & suppliers

Transformer bushings On-load tap changers Cooling systems Insulation materials Conductors & core steel Oil & preservation Protection & monitoring Tank & mechanical

Projects & intelligence

SSEN Transmission + National Grid award BAM the EGL3 converter-station civils (ECI)
Early Contractor Involvement contract for first-phase civil works at the Eastern Green Link 3 converter stations — site enablement ahead of valve-hall and converter-transformer installation on one of …
First steel cut for 50Hertz Ostwind 4 offshore converter platform (525 kV Baltic HVDC)
Drydocks World began fabricating the converter-station topsides for Germany's first 525 kV Baltic Sea HVDC connection — the platform will house the offshore converter transformers.
Siemens Energy to rebrand as ‘Omterra’
Europe's largest grid-equipment supplier announced it will rebrand as Omterra — a naming change with practical follow-through for tender documents, vendor registrations and brand approvals across GCC …
France: June heatwave cut power to ~335,000 households — RTE launches preventive replacement of strategic transformers
Pendant la canicule du 19–27 juin 2026, une trentaine de coupures localisées ont privé d'électricité ~335 000 foyers; RTE programme dès 2026 le remplacement préventif de transformateurs stratégiques d…
Siemens Energy bags ~$4bn EGL4 contract — two HVDC converter stations for the 2 GW Scotland–England link
SP Energy Networks and National Grid Electricity Transmission confirmed Siemens Energy to deliver the Fife (Scotland) and Norfolk (England) converter stations for the £2.5bn Eastern Green Link 4; cons…

Upcoming events

No local events yet — check the events calendar.

Technical context

400 kV / 220 / 110 / 22 kV, 50 Hz ENTSO-E
ČEPS (transmission) and the distribution companies
ČSN/EN (IEC-aligned) standards
A strong industrial and component base
Grid renewal and interconnection

Frequently asked

What voltage does Czechia use?

ČEPS operates at 400 kV and 220 kV, with 110 kV and 22 kV distribution, at 50 Hz.

Who buys transformers in Czechia?

ČEPS (transmission), the distribution companies and the industrial developers.

Is there a transformer OEM base?

Yes — Czechia has a strong industrial and component base and is an established European sourcing hub.