Have you heard about the https://solar.lowtechmagazine.com ? Their website is exclusively powered by #solar energy and may go down in case of bad weather...
#Supercool idea and impressive project!

However, I'm a bit afraid as people now want to switch to something like that as well... But the resources that you need to build it are probably even worse for the environment...? Solar panel, lead battery.. Plus, very inefficient in that scale..

Better choose a green-electricity provider to power your #raspi