We love our second awning and use it all the time when camping in Connecticut. We do a lot of dry camping at the beach, where there's plenty of sun for our solar. I often park the trailer oriented north/south and we put one awning out in the morning, then the other out in the afternoon when the sun crosses over the trailer. Gives us shade to sit in all day and keeps the trailer cooler inside.
If you plan dry camping frequently in sunny, open spaces, even up north, it might be worth it for you.