You said "for the foreseeable future", which I interpret as being about now.
Anyway I hope you're right, but so far global CO2 output is still growing. All the other energy has only come on top of carbon intensive energy, it hasn't replaced any of it. Every time we build more, we find new ways of spending that much energy and more.
Seeing 20 years into the future is quite possible in some aspects.
I remember how me and my friends discovered email in 1999 and were like "Yay, in the future we'll all do this instead of sending letters!". And it took about 20 years until letters were largely replaced by email and the web. And when the first videos appeared on the web, it was quite clear to us that they would replace DVDs.
Similar with the advent of self driving cars and solar energy I think.
I don't think there will be much carbon intensive energy creation in a few decades from now. It does not make sense economically.