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

Hansel Oy (Hilma) SR 400 MVA 400 kV Power Transformer (Synthetic Ester Oil) and 63 MVAr 21 kV Variable Shunt Reactor (VSR) Synthetic Ester Oil-Immersed Markkinaoikeus The description of the time limits for review procedures. (English): A candidate or tenderer dissatisfied with a procurement decision or any other decision made during the procurement procedure may seek review by filing a procurement rectification request, lodging an appeal with the Market Court, or both. 1. Procurement Rectification Request Time limit: 14 days from the date on which the party concerned has received notice of the Contracting Entity's decision or other resolution. The rectification request must be received by Helen Sähköverkko Oy (e-mail: [email eliminat]) no later than 4:00 p.m. on the last day of the time limit. Form and content: The request must be submitted in writing and shall specify the decision for which rectification is sought, the amendments requested, and the grounds for the request, together with the applicant's contact details. 2. Appeal to the Market Court Time limit: 14 days from receipt of the decision. The filing of a procurement rectification request does not affect the appeal period. The appeal must be submitted to the Market Court (Radanrakentajantie 5, FI-00520 Helsinki, Finland; email: [email eliminat]) before the end of its opening hours on the last day of the appeal period. Notification obligation: The appellant must notify the Contracting Entity in writing ([email eliminat]) of the submission of the matter to the Market Court no later than the time the appeal is filed with the Market Court. 3. Standstill Period In procurements exceeding the EU thresholds, the procurement contract may be concluded no earlier than 14 days after the candidate or tenderer has received, or is deemed to have received, the procurement decision and the instructions for appeal. 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. Helen Electricity Network Ltd. (Helen Sähköverkko Oy) The scope and specific requirements of the procurement are described in greater detail in the procurement documents, which will be provided in full as part of the invitation to tender to those Tenderers selected on the basis of their requests to participate. FI1B1 01 e7215ace-30df-46d2-9476-3ca4d86eb0d0 part-req [email eliminat] 00520 neg-w-call [telefon eliminat] none Mannerheiminaukio 1a http://hankintailmoitukset.fi 633224 supplies ORG-[telefon eliminat]+00:00 ORG-00 ••• ••• 26 ORG-[telefon eliminat]+03:00 clos-nw [telefon eliminat] Itämerenkatu 25 0 32014L0025 can-standard [telefon eliminat] true 2000-01-01Z http://www.helen.fi/index.html ENG eSender 2029-10-31+02:00 07:28:25+00:00 00100 eforms-sdk-1.13 2027-03-31+03:00 RES-[telefon eliminat] LOT-[telefon eliminat] https://www.markkinaoikeus.fi [email eliminat] Helsinki 30 2035428-7 FI09880841 74bc9ef4-7d4b-45f3-9afc-c5e88fcfbb7e 2026-10-22+02:00 Heidi Litmanen all-rej false FIN electricity 2.3 10:28:24+03:00 ted-esen Radanrakentajantie 5 [email eliminat]