BidSonarBidSonar
ContractsGrantsOrganisationsSectors
BidSonarBidSonar·Built by Hypership
SourcesBrandPrivacyTermsCookies

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.

    ContractsEngineering Services for Fish Passage Improvement at Höngg Hydropower Plant
    Awarded contract

    Engineering Services for Fish Passage Improvement at Höngg Hydropower Plant

    Awarded
    CHF 562.6k
    Published 23 Feb 2026

    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

    🇨🇭SwitzerlandPublished 23 Feb 2026· 6 months agoviaTED
    Awarded
    CHF 562.6k
    Published 23 Feb 2026

    Decision brief

    4 fields
    • Contract value
      CHF 562,633
      CHF
    • Closing date
      Rolling
      No closing date published
    • Sector
      Engineering
      Browse related listings
    • Location
      🇨🇭Switzerland

    Suppliers

    2 suppliers
    • DA
      DE_AFRY Schweiz AG
      Lead contractor
  1. DS
    DEAFRY SWITZERLAND LTD
    Lead contractor
  2. Lifecycle

    Awarded

    Contract awarded. Originally published 6 months ago.

    23 February 2026
    Awarded — no open tender advertised

    Brief

    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 first part focuses on the construction of a vertical-slot fish ladder at the weir, while the second part addresses fish passage at the powerhouse, also utilizing a vertical-slot design for fish ascent and a horizontal screen with a bypass for fish descent. The total value of the contract is approximately CHF 562,633.48.

    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

    4 listingsView all →
    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.

    CHF 1,985,288DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Published 17 Nov 2025
    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
    AwardedConstruction🇨🇭Switzerland

    Cool City Infrastructure Planning Services

    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

    DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Published 10 Aug 2025

    Open in Engineering

    4 open listingsView all →
    Engineering🇮🇪Ireland

    Dublin College Loughlinstown Kitchen and Canteen Energy Efficiency Upgrade

    Dublin College Loughlinstown seeks qualified suppliers to upgrade its kitchen and canteen facility with heat pump technology and energy efficiency improvements to reduce emissions and operating costs.

    DUBLIN AND DUN LAOGHAIRE EDUCATION AND TRAINING BOARD
    Published 2 Sept 2026
    Engineering🇬🇧United Kingdom

    Digital Interactive Map for Witney Town Centre

    Design and develop a digital interactive map for Witney that enhances town centre navigation and showcases the area's unique character, heritage, and attractions.

    WEST OXFORDSHIRE DISTRICT COUNCIL
    Published 2 Sept 2026
    Engineering🇬🇧United Kingdom

    Integrated Consultancy Team for Omagh Wayfinding Scheme

    Fermanagh and Omagh District Council requires an integrated consultancy team to design, obtain approvals for, and oversee delivery of a comprehensive wayfinding scheme for Omagh.

    est.£55,000FERMANAGH AND OMAGH DISTRICT COUNCIL
    Published 2 Sept 2026
    OpenEngineering🇬🇧United Kingdom

    Consultancy Services for Transportation and Public Realm Projects

    Multi-authority framework providing consultancy services for transportation, highways, active travel, and public realm project support across Cheshire.

    est.£20,000,000WARRINGTON BOROUGH COUNCIL
    Published 2 Sept 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
    129856-2026
    DE
    Buyer
    DIB ELECTRICITY WORKS OF THE CITY OF ZURICH EWZ
    Sector
    Engineering