[perfunctory]

> How does it compare to say wind power? How expensive and slow is to build up an equivalent wind power farm?

From the article: "Utility-scale wind and solar farms, on the other hand, take on average only 2 to 5 years, from the planning phase to operation. Rooftop solar PV projects are down to only a 6-month timeline"

[arpa]

That's hardly equivalent.