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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.

    ContractsCool City Infrastructure Planning Services
    Awarded contract

    Cool City Infrastructure Planning Services

    Status
    Awarded
    Published 10 Aug 2025

    The project involves planning and executing underground construction services for district heating and cooling systems, as well as energy systems. Specifically, it includes the design and implementation of microtunnels in Lot 2. Each subproject and section of the district lines will be divided into

    🇨🇭SwitzerlandPublished 10 Aug 2025· 1 years agoviaTED
    Status
    Awarded
    Published 10 Aug 2025

    Decision brief

    4 fields
    • Contract value
      Not disclosed
      Source did not declare a figure
    • Closing date
      Rolling
      No closing date published
    • Sector
      Construction
      Browse related listings
    • Location
      🇨🇭Switzerland

    Lifecycle

    Awarded

    Contract awarded. Originally published 1 years ago.

    10 August 2025
    Awarded — no open tender advertised

    Brief

    The project involves planning and executing underground construction services for district heating and cooling systems, as well as energy systems. Specifically, it includes the design and implementation of microtunnels in Lot 2. Each subproject and section of the district lines will be divided into phases according to SIA standards (SIA 32 to 53). Suppliers are invited to participate in this opportunity to contribute to the development of sustainable urban infrastructure.

    Track record

    6 awards · 6 winners
    Open field

    No single supplier dominates the field.

    In engineering, DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ has awarded 6 contracts to 6 suppliers.

    Who wins here
    1. DE_Durena AG1× · 17%
    2. DE_AFRY Schweiz AG1× · 17%
    3. DEAFRY SWITZERLAND LTD1× · 17%
    4. DEDURENA AG1× · 17%
    5. DEANEX INGENIEURE AG1× · 17%
    6. DE_Anex Ingenieure AG1× · 17%

    Across engineering, the most active winners are AECOM LTD, WSP UK LIMITED, OVE ARUP PARTNERS LIMITED — the field to beat, or your route in as a partner.

    More from DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ

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    AwardedEngineering🇨🇭Switzerland

    Engineering Services for Fish Passage Improvement at Höngg Hydropower Plant

    This contract involves engineering services for the renovation of fish passage at the Höngg hydropower plant in Zurich, Switzerland. The project is part of a comprehensive effort to restore hydropower in compliance with the Swiss Water Protection Act. The project is divided into two main parts: the

    CHF 562,633DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Published 23 Feb 2026
    AwardedEngineering🇨🇭Switzerland

    General Planning Services for House Connections in Switzerland

    The General Planner for House Connections (GP HAS) is responsible for the planning and implementation of house connections (HAS). This includes project management and HVAC engineering services, including MSRL. Each house connection will be divided into SIA phases 32-53.

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    Construction🇨🇭Switzerland

    Construction Work for "CoolCity" Pipeline Project

    This contract opportunity involves pipeline construction work for neighborhood development. The work includes the construction of chamber structures, main pipelines, distribution pipelines, and house connection lines as part of the "Cool City" heating network. Suppliers are invited to submit their b

    DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Published 16 Nov 2025
    AwardedEngineering🇨🇭Switzerland

    Zürich Pipeline Construction Planning Services

    The contract involves planning and implementing pipeline systems for district heating and cooling in downtown Zürich. The selected contractor will be responsible for designing the pipelines up to the interior walls of customer buildings. Each sub-project will be divided into phases according to SIA

    CHF 1,581,004DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Published 27 Oct 2025

    Open in Construction

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    Construction🇮🇪Ireland

    Construction of New Arborist Facility at Petersburg Outdoor Education Centre, Galway

    GRETB invites tenders for construction of a new cross-laminated timber Arborist Facility with associated buildings and outdoor features at a training centre in County Galway.

    est.€4,900,000Galway Roscommon Education and Training Board
    Published 2 Oct 2026
    Construction🇮🇪Ireland

    Ireland Schools Energy Pathfinder 2025 - Biomass Heating Upgrade Works (Bundle 5, LWETB)

    Construction contract for heating plantroom upgrades and enabling works at six Irish schools to support biomass heating installation across Longford and Westmeath counties.

    est.€2,500,000LONGFORD AND WESTMEATH EDUCATION AND TRAINING BOARD
    Published 2 Oct 2026
    Construction🇮🇪Ireland

    Tree Planting Service for Cleveragh Regional Park Biodiversity Project

    Seek bids to supply, install, and maintain native Irish woodland trees for a regional park biodiversity restoration project.

    est.€170,000SLIGO COUNTY COUNCIL
    Published 2 Oct 2026
    Construction🇮🇪Ireland

    Schools Energy Pathfinder 2025 - Biomass Heating Upgrade Works (Bundle 4, CMETB)

    Heating plantroom upgrades and building enabling works for biomass heating installations across six schools in Cavan and Monaghan counties.

    est.€2,500,000CAVAN AND MONAGHAN EDUCATION AND TRAINING BOARD
    Published 2 Oct 2026
    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
    523159-2025
    DE
    Buyer
    DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Sector
    Construction