SR 400 MVA 400 kV Power Transformer (Synthetic Ester Oil) and 63 MVAr 21 kV Variable Shunt Reactor (VSR) Synthetic Ester Oil-Immersed

Helen Sähköverkko Oy is building new 400 kV substation in Sörnäinen, Helsinki Finland. Subject of the procurement is delivery of power transformer and VSR reactor for Helen Sähköverkko Oy. Intended delivery of power transformer and VSR reactor is year 2030. With this invitation to participate Helen Sähköverkko Oy is looking for capable and interested candidates to deliver the needed power transformer and VSR reactor. The delivery of power transformer and VSR reactor, including all needed transportation and erections, will be performed as turnkey deliveries. The transformer and VSR reactor deliveries will be separate from the substation construction project performed by other contractors, however, there is a need to coordinate the delivery with the construction work at site. Delivery of 400 / 400 / 125 MVA, 410 ± 6 x 1,33 % / 120 / 21 kV power transformer (Synthetic Ester Oil), equipped with on-load tap-changer, including: - Manufacturing of transformer with fittings and accessories - Testing - All necessary logistics e.g. - Sea transportation to Finland - Loading and unloading on the railway cart - Loading and unloading on road truck and transport to the site - Supplier may choose the means and route of transportation - All organizational work needed for logistics: arrangement of transportation from factory to site, customs clearance and forwarding - Unloading on the foundation - Erection, testing and commissioning at site. Delivery of 63 MVAr 21 kV Variable Shunt Reactor (VSR) Synthetic Ester Oil-Immersed including: - Manufacturing of reactor with fittings and accessories - Testing - All necessary logistics e.g. - Sea transportation to Finland - Loading and unloading on the railway cart - Loading and unloading on road truck and transport to the site - Supplier may choose the means and route of transportation - All organizational work needed for logistics: arrangement of transportation from factory to site, customs clearance and forwarding - Unloading on the foundation - Erection, testing and commissioning at site.Main features of the procedureThe procurement will be conducted as a negotiated procedure above the EU threshold in accordance with the Act on Procurement and Concession Contracts by Entities Operating in the Water, Energy, Transport and Postal Services Sectors (1398/2016, hereinafter the "Utilities Procurement Act"). In this procedure, the Contracting Entity will publish a contract notice and request to participate, on the basis of which Candidates may submit a request to participate. The Contracting Entity will select for the negotiated procedure all Candidates that satisfy the minimum requirements set out in the request to participate. The Contracting Entity will select for the negotiated procedure all Candidates whose requests to participate meet the minimum requirements. If the number of eligible Candidates exceeds three (3), the Candidates with the highest scores will be selected in accordance with the criteria described under “Award Decision Criteria” in the request to participate. Only Tenderers selected for the negotiated procedure will be invited to participate in negotiations and submit a tender. The preliminary timetable for the procedure is as follows (the timetable is subject to change during the procurement process): 10/2026 – Publication of the request to participate 11/2026 – Decision on the Tenderers invited to negotiations 11/2026 – Issue of the initial invitation to tender to the selected Tenderers 01/2027 – Deadline for submission of initial tenders 01/2027 – Negotiations 01-02/2027 – Issue of the final invitation to tender 02-03/2027 – Deadline for submission of final tenders 02-03/2027 – Clarification and verification discussions 03/2027 – Supplier selection and procurement decision The procurement contract will be signed no earlier than after the expiry of the applicable appeal period and standstill period (14 days from notification of the procurement decision).