Translate the following English sentence to French:
"In order to ensure that at least 50% of the energy mix comes from renewable energy sources, it is not enough to deal with a few hot spots that will be more profitable in the short term."
Pour obtenir que 50 % ou plus du "mix" de l'énergie vienne des sources d'énergies renouvelables, on ne peut pas se contenter de certains hot spots qui, à court terme, seront plus rentables.