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Grimsel 4 pumped storage plant, Lot Penstock Armouring and Lot Tailwater Gate Valves

Original Pumpspeicherwerk Grimsel 4, Los Panzerung Triebwasserweg und Los UW-Schützen

Open Contract notice 89 days left
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Deadline 22 Dec. If it moves, an email when the register sees it. A correction: the same email. Your plan: decide by 8 Dec, questions by 8 Dec, draft by 15 Dec. Log in

  1. Published
  2. Today
  3. Deadline open for 92 days
  4. Awarded pending

Summary

Machine-generated summary

KWO (Kraftwerke Oberhasli AG) is tendering supplies for the Grimsel 4 pumped storage plant in Switzerland, split into two lots. Lot 1 covers the penstock armouring, while Lot 2 covers two double tailwater shut-off valves (gates). The scope includes design, manufacture, delivery, installation and commissioning of the armouring on individual sections of the waterway, plus a total of four shut-off valves (2x2) downstream of the draft tubes of the two pump turbines. The information in this notice is provisional; only the tender documents are legally binding.

Description

KWO schreibt die Beschaffung der Panzerung Triebwasserweg sowie von zwei doppelte UW-Schützen für das Pumpspeicherwerk Grimsel 4 in zwei Losen aus. Die Ausschreibung umfasst die Planung, Herstellung, Lieferung, Montage und Inbetriebsetzung der Panzerung Triebwasserweg auf einzelnen Teilabschnitten des Triebwasserwegs sowie von insgesamt vier UW-Schützen (2x2) unterwasserseitig der Saugrohre der beiden Pumpturbinen.

Official source

Source: simap.ch - Swiss public procurement platform

Always verify details on the official notice.

Last verified against simap.ch - Swiss public procurement platform 1 day ago

More from this buyer

Full buyer profile

10 open tenders right now

This buyer has no award history in this sector yet. Usual winners, Construction work - Switzerland

Company Wins Total awarded Last win
DE_Equans Switzerland AG 14 €19.2M Sep 2026
DE_Walo Bertschinger AG 12 €64.8M Sep 2026
FR_Weibel AG 12 €12.1M Jul 2026
DE_Anliker AG Bauunternehmung 11 €76.6M Jul 2026
DE_Frutiger AG 10 €485.9M Aug 2026

Based on 1746 awards with a linked company profile over the last 2 years.

Change history

Every time an official source republished this notice with different content. We watch every source we index, including regional copies of the same notice.

  1. Read before bidding
    • Submission deadline: Deadline set: December 22, 2026, 15:00
    • Scope and criteria: The description was shortened. Re-read it before you bid.

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Market context

Avg. open tender · Construction work
€31,415,713
26,092 open across Europe right now
Buyer track record on Aperlena
19 notices tracked · 6 awarded
€116,957,307 in awarded contracts

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