Omexom provides turnkey substation deliveries as well as comprehensive maintenance, commissioning and expert services.

You can also get all transformer‑related services from us through a single point of contact! We handle everything from the procurement of new transformers to the maintenance of existing units — regardless of transformer size.

We operate nationwide across all voltage levels. Choose Omexom when you need an experienced and reliable partner for the design, construction and maintenance of substations!

OUR SERVICES

  • Projects

    • Construction of new substation
    • Substation renovations
    • Expansion and modification work

  • Maintenance

    • Substation primary equipment maintenance, services, troubleshooting and commissioning
    • Substation secondary equipment maintenance, services, troubleshooting, testing and commissioning
    • Substation properties maintenance, services and troubleshooting
    • Transformer maintenance, services, troubleshooting and commissioning

  • Expert services

    • Substation preliminary design
    • Substation primary and secondary design
    • Substation automation design, implementation, extensions, upgrades and troubleshooting for all common substations, HMI, communication devices and protocols
    • Protection selectivity and layout calculations up to 400kV (distance, differential, overcurrent and earth fault protection)
    • Substation documentation (document surveys and updates)
    • Substation commissioning tests
    • Substation property condition surveys and repair plans
    • Substation measurements (transformer measurements, loss angle measurements, frequency response analysis (sFRA), partial discharge measurement, remanence removal from power transformers, substation grounding impedance measurement)

  • Transformers

    • Transformer procurement, from need assessment to installation of a new transformer
    • Installation of new and old transformers
    • Transformer basic maintenance to ensure longer technical life of the transformer
    • On-load tap-changer maintenance (OLTC services)
    • Transformer oil analysis and thermal imaging
    • Electrical measurements
    • Troubleshooting

CONTACTS

Projects

Kaisa Ruusunen

kaisa.ruusunen@omexom.com

+358 50 3079 683

 

Expert Services

Paavo Laine

paavo.laine@omexom.com

+358 45 2075 530

 

 

 

Maintenance

Tapio Vierelä

tapio.vierela@omexom.com

+358 40 1736 078

 

Transformers

Teemu Luoto

teemu.luoto@omexom.com

+358 40 7534 662