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· 5 months agoTED

Decision brief

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

Suppliers

2 suppliers

Lifecycle

Awarded

Contract awarded. Originally published 5 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. DEDURENA 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.

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