The winners of the French Energy Saving Championship — otherwise known as the Cube competition — were announced at Paris La Défense Arena on 13 December. It was also an opportunity to launch a Winter Championship and to announce the creation of four new challenges for 2023. Organized by theFrench Institute for the Energy Performance of Buildings (Ifpeb), the competition saved 48 GW this year, equivalent to the annual consumption of 25,000 people.