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Public contracts of the Mayenne département · 2026

Marché public global de performances restructuration et exploitation de l’usine de valorisation énergétique de pontmain

€83.1M
contract ceiling — what was paid on it is not published
Signed on 10 September 2026 · running until about December 2036 · 10.5 yrs
Ongoing10 Dec 2036

Who won it

Aia ArchitectesActivités d'architecture · registered office Nantes (44100) · headcount 200 to 249 employees · SIREN 316173160

Main holder, with the largest amount. The contract has 3 holders; the others are not shown here yet.

The competition

3 bids received

Median for this procedure in 2026: 3 bids, across 14739 comparable contracts. Open tender · awarded to 3 companies

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

The largest of the 209 contracts the Mayenne département published for 2026.

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Mixte

Published amendments : 51

Subcontracting declared : yes

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.