As the article notes, this will only power a small town's <i>street lights</i>. The title is very misleading.<p>According to
<a href="http://www.liberation.fr/futurs/2016/12/21/la-route-solaire-cherche-son-chemin_1536769" rel="nofollow">http://www.liberation.fr/futurs/2016/12/21/la-route-solaire-...</a> (in French), they are expecting a yearly production of roughly 280 MWh for this stretch of road. Wolfram Alpha says that's the electricity use of 23 US households. I'd expect French households to be much more efficient, but even at a factor of 4 that would only make 100 households.