The Petäjäskosken 400/220 kV substation
The Petäjäskoski turnkey project was a renewal of 400/220 kV substation owned by Fingrid. Schedule for the project was April 2015 – December 2016. Scope of work:
Extension of 400 kV switchyard, a new power transformer, a new 220 kV GIS switchgear, 220 kV cables, 20 kV reactors, protection and remote control systems and demolition work of 220 kV AIS (Air Insulated Switchgear).