That's 48€/m2, I couldn't find a photovoltaic panel at that price.

Add to that:

- photovoltaic efficiency is about 20%, while such mirrors reflect 90% of the energy

- photovoltaic panels have an average lifespan of 20 years, while mirrors do not wear out.

Anyway, we're comparing apples and oranges, because we have to add the mechanical installations, which are very different depending on the specific application.

I'm not against photovoltaic in general, I just think that for some applications there are some interesting alternatives.