@yogthos Link is not working but it is probably both true and wrong. True because you probably can reach peak power with it would require a lot more than peak power combine with huge storage capacities. It would consume too much resources too be sustainable.
There is a French report made by French electric grid maintainer which propose multiple scenarii. About the one with only solar + wind, people that work on ore resources (copper, aluminium, etc…) says «far too much ore required».