CNIM has entered into an agreement concerning the energy efficiency optimisation at the waste-to-energy plant serving the cities of Nantes and Saint Nazaire, in the North West of France. Under the terms of this agreement, CNIM will install an absorption heat pump to boost the supply of hot water to Nantes. The delivery is scheduled for October 2019. The new system has been designed to inject 3.1 MW of heat energy into Nantes' district heating system.