The mega trends of the current day are that we have a resource crunch and a carbon budget that is rapidly shrinking to zero and brewing trade war that will see several trade blocs increasingly refusing to trade raw material and technology.

I’m therefore skepical of anybody claiming that the cost of producing this is going to radically drop in the next 5-7 years. It’s hugely resource intensive to produce, and the supply chain has a gazillionweak spots:

https://www.energy.gov/eere/solar/solar-photovoltaic-cell-basics