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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsConstruction of Geothermal Probes at Otto Wagner Site
    Awarded contract

    Construction of Geothermal Probes at Otto Wagner Site

    Awarded
    €6m
    Published 23 Oct 2025

    This procurement opportunity involves contracting a supplier to provide construction services for the installation of geothermal probes. These probes are part of a geothermal system designed to supply energy to the protected historical buildings located in the core area of the Otto Wagner site in Vi

    🇦🇹AustriaPublished 23 Oct 2025· 10 months agoviaTED
    Awarded
    €6m
    Published 23 Oct 2025

    Decision brief

    4 fields
    • Contract value
      €5,996,714
      Euros
    • Closing date
      Rolling
      No closing date published
    • Sector
      Construction
      Browse related listings
    • Location
      🇦🇹Austria

    Suppliers

    1 supplier
    • PB
      PORR BAU GMBH
      Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 10 months ago.

    23 October 2025
    Awarded — no open tender advertised

    Brief

    This procurement opportunity involves contracting a supplier to provide construction services for the installation of geothermal probes. These probes are part of a geothermal system designed to supply energy to the protected historical buildings located in the core area of the Otto Wagner site in Vienna, Austria. The awarded contract, valued at approximately €5,996,713, was granted to Porr Bau GmbH. Suppliers interested in this opportunity can find more details on the TED platform.

    Track record

    1 award · 1 winner
    Thin record

    Only 1 prior award here — too little to read.

    In construction, OTTO WAGNER AREAL REVITALISIERUNG GMBH has awarded 1 contract to 1 supplier.

    Who wins here
    1. PORR BAU GMBH1× · 100%

    Across construction, the most active winners are HOLCIM UK LIMITED, TARMAC TRADING LIMITED, LINDUM GROUP LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View on sourceTED

    Award notice and full record on the publisher's site

    Publisher
    Publications Office of the European Union
    Licence
    EU 2011/833/EU + TED reuse notice
    Source
    ted.europa.eu
    Record ID
    703259-2025
    OW
    Buyer
    OTTO WAGNER AREAL REVITALISIERUNG GMBH
    Sector
    Construction