Renovation of Upalinko 110 kV substation

Renovation of Upalinko 110 kV substation Turku Energia Sähköverkot Oy (hereinafter TESV) is renovating the Upalinko 110 kV substation located in Turku. The project's starting point is to replace the current 110 kV open-air switchgear with a new SF6 gas-free GIS switchgear. The new switchgear will be located in the substation building to be constructed as part of this procurement, in the northwestern part of the current substation area. Existing line feeders will be connected to the new switchgear via 110 kV cable connections to be implemented from the current main portal. The subject of the procurement is the construction contract for the renovation of the substation, which includes the design, construction, switchgear and other materials, installation, testing and commissioning work, documentation, and demolition work, to the extent specified in the procurement documents. This is a turnkey contract. The procurement complies with the provisions of the F-gas Regulation (EU) 2024/573. The main components included in the procurement are: - construction of a new two-story substation building; - 110 kV double-busbar GIS switchgear and associated control, protection, automation, and auxiliary power systems; - 110 kV cabling work, including earthworks and foundation works, and materials; - demolition of the current 110 kV open-air switchgear and substation building. The procurement will be carried out using a negotiated procedure under the Act on Public Procurement and Concession Contracts for Special Sectors. As the procurement relates to the customer's critical infrastructure, general information concerning the procurement entity will be published on a limited basis during the request for participation phase. This request for participation includes the project description, draft contract, reference form, non-disclosure agreement, and the General Conditions for Building Contracts YSE 1998. Bidders must assess their interest in participating in the procurement procedure based on the information provided in the request for participation and its appendices. The bidder is required to accept the project-specific non-disclosure agreement provided as an appendix to the request for participation and return it signed as an appendix to the participation application. Selected candidates for the tender competition will be provided with more detailed information about the subject of the procurement in the later stages of the procurement procedure. The final content, scope, interfaces, and division of responsibilities of the procurement will be specified during the tender competition and negotiations. The implementation phase of the project is estimated to take place between 2027 and 2030. Design work may commence upon the entry into force of the contract, and construction work immediately after the relevant permits become legally binding. The new substation is intended to be completed for operational use by December 1, 2029, and demolition work related to the project will be completed by June 1, 2030. The schedule will be further specified based on the procurement preparation, negotiated procedure, and the selected implementation solution.