Invitation to tender using negotiated procedure, deadline 30/04/2025, for construction of a battery storage system at the Gloggnitz portal of the Semmering Base tunnel. The system will ensure railway operations in the event of a blackout. Click here for bid documents and where tenders must be sent.Contract duration from 01/10/2025 al 31/12/2028. Contact Oebb-Infrastruktur AG, attn Peter Csoengei , Vienna, tel +43(0)6649603380, email peter.csoengei@oebb.at. Visit https://ted.europa.eu/en/notice/-/detail/160145-2025. Rif.n. 132978. 12/25.