110 kV Power transformers

Caruna is looking for the reliable and cost efficient supplier for three phase 50 Hz oil insulated 110 kV Power transformers. Caruna is now starting the tendering process by selecting tenderers to the negotiation round.

Power transformers will be purchased as a turnkey delivery, delivered on site (primary substation), in Finland, installed on the foundation, internal connections and devices fully tested and ready for commissioning. Purchaser will connect the transformers into the existing three phase distribution network. The Power of the 110 kV transformers will be from 25 MVA to 40 MVA. Lifetime expectancy is up to 50 years of continuous operation in the outdoor with minimum maintenance. The requirement of the lowest temperature is - 40°C. The transformers must meet the required standards and the requirements set by the EU. Power transformers detail level technical requirements will be gone through during the negotiation round with selected tenderers. This tender will cover totally 24 pcs of power transformers: - 25 MVA, 20 pcs - 40 MVA, 4 pcs From above quantity, Caruna will give purchase commitment for 11 pcs during the contract period. - 25 MVA, 10 pcs - 40 MVA, 1 pcs Power transformers, estimated time of delivery and installations to the sites, during the years 2025 - 2028.