France – Geotechnical engineering services – Mission d’études géotechniques pour la construction d'une centrale de production de chaleur par hydrothermie et pour des travaux sur berges

The present consultation is part of the Public Service Delegation (DSP) relating to the urban heating and cooling network "Plaine Campus", granted by Toulouse Métropole to the company Toulouse Énergie Durable (TED). To meet the challenges of energy transition and secure supply, Amendment No. 7 to the DSP contract provides for a major extension of the network and a densification of production means via renewable energies. The operation involves the creation of an innovative heat production tool using the energy of the Garonne. This project aims to increase the network's rate of Renewable Energy Resources (EnRR) to over 85%. The project involves the rehabilitation and transformation of an emblematic existing building located on the Île du Ramier into a 5.5 Mc hydrothermal power plant. This site, subject to strong technical, heritage, and environmental constraints, must accommodate a cascade of high-tech heat pumps (HP) enhancing the thermal energy captured from the Garonne. The project requires exemplary treatment.