Waldhalde Power Plant: Engineering and Technical Support for Electromechanical Parts Revision 2026 Tender
Original: Kraftwerk Waldhalde Fachplanung und technische Begleitung der Revision ausgewählter elektromechanischer Teile
Elektrizitätswerke des Kantons Zürich
In context
This is a contract notice published by a government body covering consulting. Delivery covers Switzerland (Europe). It is classified under Renewable Energy against the sustainability taxonomy rather than matched on keywords.
The Elektrizitätswerke des Kantons Zürich seeks an engineering planner to design and technically support the revision of selected electromechanical components at its Waldhalde hydropower plant. It suits engineering consultancies with hydropower or electromechanical plant expertise, and a small specialist firm could plausibly bid.
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About this tender
The contracting authority, Elektrizitätswerke des Kantons Zürich (EKZ), is procuring engineering planning services as specialist planner (Fachplanerin) and technical support for the revision of selected electromechanical components at the Kraftwerk Waldhalde hydropower plant. The detailed scope is set out in the specifications (Lastenheft, Document 2) and related documents (Documents 2a to 2c). Confidential documents, including the specifications, investigation reports, and technical drawings, are released only after a signed non-disclosure agreement is received. The place of performance is the Kraftwerk Waldhalde site. Meetings with the contracting authority may take place at the plant or at the EKZ office at Ueberlandstrasse 2, 8953 Dietikon. The contract runs from 31.12.2026 to 29.09.2028 and may be extended. Three optional scope items are tendered separately: a new low-water impeller (Neues Niedrigwasser-Laufrad), a generator revision (Revision des Generators), and fingerprint measurements of the entire machine group (Fingerprintmessungen gesamte Maschinengruppe). Variants and partial tenders are not permitted, and bidding consortia and subcontractors are not permitted. The CPV main code is 71300000 (engineering consultancy services). The procedure is an open procedure, conducted in German, with no dialogue phase and no public bid opening. Questions must be submitted by email by 30.10.2026, and answers go only to bidders that have signed the non-disclosure agreement.
Bidder eligibility
Eligibility criteria are stated as being specified in the tender documentation, which is available only after an NDA has been signed and submitted. The publication itself names no specific registrations, classifications, or financial thresholds. Bidders must submit qualified electronic signatures under ZertES or eIDAS from authorised signatories. Bidding consortia, subcontractors, and multiple tenders from either are not permitted. Reference projects are scored under criterion ZK 3, so relevant prior experience is expected.
How bids are scored
Award criteria and weightings as published: - ZK 1, Offer price (Angebotspreis): 40% - ZK 2, Quality of the offer (Qualität des Angebots): 30%. Assessed on the bidder's analysis of the assignment, proposed solution approach, and plausibility check of the offer. - ZK 3, References (Referenzen): 10% - ZK 4, Project organisation and qualifications of key personnel (Projektorganisation und Qualifikation des Personals für Schlüsselfunktionen): 15% - ZK 6, Training of apprentices in basic vocational training (share of apprentices relative to total staff): 5% Total weighting is 100%. Criterion numbering skips from ZK 4 to ZK 6, so no ZK 5 appears in the publication.
Key requirements
- ✓Specialist engineering planning services (Fachplanerin) for the revision
- ✓Technical support for selected electromechanical components of the Waldhalde plant
- ✓Detailed scope defined in Lastenheft (Dokument 2) and annexes 2a to 2c
Procurement contact
The notice names a procurement contact for clarification questions.
CPV codes
Relevant sectors
How this compares
- Compared with 78 similar tenders (renewables in Switzerland) listed in the last 12 months.
- It allows 37 days to respond, shorter than the typical 41 days across 71 similar tenders.
- The same organisation listed 1 other similar tender here in the last 12 months.
Closest open tenders
Figures are computed from notices listed on Raise Lens in the same sector and country over the last 12 months.
About this sector
Renewable energy funding covers solar, wind, hydropower, geothermal and bioenergy, from early research to grid-scale deployment. Public money tends to back demonstration, grid connection and access to energy in emerging markets, while procurement notices buy installation, operation and maintenance. Calls often ask for proof of resource assessment, permitting progress and local partners.
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