Wings of Renewal: A Solarpunk Dragons Anthology
Sunvault: Stories of Solarpunk and Eco-Speculation
Sunshine Superhighway
Ecopunk! Speculative Tales of Radical Futures
Becky Chamber's Monk & Robot series
World Weaver Press - Glass and Gardens: Solarpunk Summers, Glass and Gardens: Solarpunk Winters, Solarpunk: Ecological and Fantastic Stories in a Sustainable World, Multispecies Cities: Solarpunk Urban Futures
A lot of works are listed here: Utopian Literature in English: An Annotated Bibliography From 1516 to the Present (psu.edu)
Daughters of the Apocalypse - PenUltimate Productions (weebly.com)
Dragonfly: An Exploration of Eco-fiction
Utopia Science Fiction Magazine
Solarpunk Press - Audiofiction, there was once a website but it is no longer active
Solar Cyber Punk - A small adventure into growing your own crops and herbs in a limited space