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Public contracts of Nantes Métropole · 2025

Fourniture de Nitrate de Calcium contre la formation d’hydrogène sulfuré dans les infrastructures d’assainissement de l’agglomération nantaise…

€3.3M
framework agreement: a maximum envelope for orders over 4 years, not spending — what was paid on it is not published
Signed on 5 November 2025 · running until about November 2029 · 4 yrs
Ongoing5 Nov 2029

That is at most ~€815k a year on average: a maximum too.

Who won it

Yara FranceFabrication de produits azotés et d'engrais · registered office Puteaux (92800) · headcount 500 to 999 employees · SIREN 622042422

The competition

1 bid received

Median for this procedure in 2025: 3 bids, across 17964 comparable contracts. Open tender · awarded to 1 company

Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.

Number 23 by amount of the 512 contracts Nantes Métropole published for 2025.

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Framework agreement : yes: orders follow, the amount is a ceiling

Price : Unitaire

Published amendments : none

Subcontracting declared : no

Contracts above €40,000 excluding VAT, as declared when they are awarded (DECP): contract amounts, not payments. Smaller contracts are not published; obviously wrong amounts are set aside.