Translate the following English sentence to French:
"The activities of the ALTENER programme will promote renewable energy sources and I believe that such programmes merit financial support at the developmental stage as they offer enormous commercial potential in the future."
Les activités du programme Altener promouvront les sources d'énergie renouvelables et j'estime que le développement de programmes de ce genre mérite un soutien financier car ils offrent un potentiel commercial énorme pour l'avenir.