Seems Europe also has the option of using Northern Africa as a solar energy hub as well. Is that a viable option?

There's plenty of land in Spain that would be suitable too. Outside of the major cities, Spain is very sparsly populated:

https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2Fe...

It could actually be beneficial in a lot of places to have agrovoltaics.

Purely from an engineering standpoint that is an attractive option. But North African countries have often been politically unstable. It's risky to place your energy security in the hands of a region that could erupt in another coup or civil war at any time.