[mcv]

Put them at an angle so the snow slides off. And France doesn't get the meters of snow that you get in Canada.

[Beldin]

Indeed - according to the article, the law requires a lot of parking lot surface area to be covered. Not necessarily by one gigantic roof, just as long as solar panels are blocking direct sunlight.

[ars]

If there's snow plus freezing rain it won't slide off even at an angle.

If France doesn't get much snow, then sure, sounds like a good place for this.