Earlier quoted context omitted.
In theory a computer should be able to model any physical process so I do agree it's only a matter of time. That said I don't think I will be alive to see it honestly. The current tech won't get us there just like the steam engine or the internal combustion engine didn't get us to the Moon. And getting to AGI is probably more like getting to Mars.
I personally think we have some tremendous energy problems (and the negative externalities derived from “solutions”) to contend with before we even sniff AGI.
Comercial fusion is still decades away.
Solar and lithium batteries are getting cheaper every year but unfortunately still lots of political issues in many countries.