Obligatory post of the most well known solar website. Low Tech Magazine
https://solar.lowtechmagazine.com/
They do a lot of other sustainable web development[0] practices like letting you read offline, having incredibly small page sizes (always shown in the lower left corner), and dithering all their images[1] (which imo creates a cool effect)
[0] https://sustainablewebdesign.org/
[1] https://solar.lowtechmagazine.com/about/the-solar-website/#h...