The transformation of electricity – including air-insulated, gas-insulated and converter substations is a longstanding core business for Omexom and has been so for over 100 years.
As an EPC contractor, Omexom delivers value-added solutions during the complete lifecycle of substations.

Our DNA as a local contractor with global capabilities allow us to support our customers for all sizes of project and any kind of project complexity. Our independence from material manufacturers guarantees a perfect fit between the needs and the solution provided by our highly skilled teams of engineers.

Our expertise covers all steps of project development, from basic design, detailed design, procurement, construction, commissioning, maintenance and operation.

We have EPC references in HVDC Substations, AC Substations up to 500 kV in air insulated and up to 400 kV in gas insulated

MV & LV substations

Design, construction & maintenance

For medium and low voltage substations, Omexom supports its client through administrative procedures, provides design studies and ensure civil works, lifting and implementation. Omexom is expert regarding connection, testing, commissioning and maintenance.

We work with various substations systems, including air and gas insulated systems, and indoor modular substations.

We provide a range of technical services, including feasibility studies, diagnosis, switchgear repair, power transformer refurbishment, and on-load tap changer maintenance.

HVDC Substations

High voltage direct current

At Omexom, we specialise in helping HVDC converter stations meet their energy transition challenges. We design, construct, and maintain all HVDC substation equipment, including converters, capacitors, transformers and specific devices. We also have the expertise to deliver transport infrastructures.

Substation contract references

VicTrack Newport depot substation


Western Power Medical Centre substation


Western Power PTA Railway Substation