The pulse of a strong relationship involves a rhythmic movement between giving and taking, talking and listening, valuing the other person and feeling commensurately valued in return.
The most straightforward path would be if we could bring the cost of solar electric and wind down by another factor of say, three, and then have some miraculous storage solution, so that not only over the 24-hour day but over long periods of time where the wind doesn't blow, you have reliable energy. That's a path. But energy storage is hard. That's not a guaranteed path.