Hi! I’ve read a ton of solarpunk and I have the following bookshelf:

https://www.goodreads.com/review/list/51902418-steve-tauber?order=d&shelf=solarpunk&sort=rating

I also recommend checking out the Solarpunk genre on goodreads https://www.goodreads.com/genres/solarpunk

You might like these titles:

• Bioluminescent: A Lunarpunk Anthology https://www.goodreads.com/book/show/122774417-bioluminescent
• Arboreality https://www.goodreads.com/book/show/61259096-arboreality
• Everything for Everyone: An Oral History of the New York Commune, 2052–2072 https://www.goodreads.com/book/show/59968759-everything-for-everyone
• Solarpunk creatures https://www.goodreads.com/book/show/199768460-solarpunk-creatures
• Salt and Seeds https://www.goodreads.com/book/show/233718205-salt-and-seeds