Speaking of that, solar indeed does a nice job of that already, to the extent of pricing out some peaker plant projects, and lately even intermediate regime coal. Here is the power graph for today from the Leipzig Energy Exchange:

(Left is actual production, right is the prediction, yellow is solar and green is wind.) Having looked at this graph on several days now, I am thinking that for an even better fit with the diurnal cycle (that is the morning bump), the import from far away that would do good would be along the east-west axis.

_{*Lunatic*, n.
One whose delusions are out of fashion.}