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Public contracts of Nantes Métropole · 2026

Travaux de rénovation du Grand Auditorium, de la Grande Halle et de la Galerie de Liaison à la Cité des Congrès de Nantes Mapa

Panneaux photovoltaïques

€144k
maximum contract amount over 22 months — what was paid on it is not published
Signed on 5 March 2026 · running until about January 2028 · 22 months
Ongoing4 Jan 2028

That is at most ~€79k a year on average: a maximum too.

Who won it

Wewise le Mans (Solewa)Travaux d'installation électrique dans tous locaux · registered office Le Mans (72000) · headcount 100 to 199 employees · SIREN 490767803

The competition

3 bids received

Median for this procedure in 2026: 3 bids, across 20741 comparable contracts. Simplified procedure · awarded to 1 company

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

Number 181 by amount of the 311 contracts Nantes Métropole published for 2026.

Contract details (procedure, price, amendments, lots)

Procedure : Adapted procedure: the lighter procedure allowed under the EU thresholds

Price : Forfaitaire

Published amendments : none

Subcontracting declared : no

Environmental considerations : Critère environnemental

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.