Public contracts of Château-Gontier-sur-Mayenne · 2025 · Construction and buildings

Conception et travaux du réseau de chaleur urbain (RCU)

Conception et travaux d'un réseau de chaleur urbain, qui distribue de la chaleur à plusieurs bâtiments depuis une production commune.

€19.1M

maximum contract amount over 18 months — what was paid on it is not published

Signed on 23 December 2025 · running until about June 2027 · 18 months

Ongoing24 Jun 2027

That is at most ~€12.7M a year on average: a maximum too.

Company selected

Bâtiment MayennaisTravaux de maçonnerie générale et gros œuvre de bâtiment · registered office Louverne (53950) · headcount 50 to 99 employees · SIREN 308327816

A contract awarded to a consortium of 3 holders; above, the main holder. With it: Luc Durand, Engie Énergie Services. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

2 bids received

Median for this procedure in 2025: 3 bids, across 724 comparable contracts. Procedure with negotiation · awarded to 3 companies

Open data gives the contract holder and the number of bids. The identity of unsuccessful bidders is not published.

Number 2 by amount of the 13 contracts Château-Gontier-sur-Mayenne published for 2025.

Contract details (procedure, price, amendments, lots)

Procedure : Procédure avec négociation

Price : Forfaitaire

Published amendments : 20

Subcontracting declared : yes

Environmental considerations : Clause environnementale, 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.