Global contractor for HV substations
The transformation of electricity – including air-insulated, gas-insulated and converter substations – is a longstanding core business for Omexom. As an EPC contractor, Omexom delivers value-added solutions during the complete life-cycle of substations, with an expertise that includes engineering, procurement, construction, maintenance, revamping, and instrumentation and control.
Omexom also carries out a strong expertise in automation, monitoring and control services to substations all over the world.
Omexom has over than 100 years’ experience in the substation business line.
Design, construction & maintenance of MV & LV substations
For medium and low voltage substations, Omexom supports its client throught administrative procedures, provides design studies and ensure civil works, lifting and implementation. Omexom is expert regarding connection, testing, commissioning, and maintenance.
With more than 150 local business units worldwide, we have a broad range of expertise. 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.

HV Direct Current (HVDC) Substations
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 HVDC-specific devices. We also have the expertise to deliver HVDC transport infrastructures.