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Solar powered server rack (mander.xyz)

submitted 1 year ago by NeatoBuilds@mander.xyz to c/selfhosted@lemmy.world

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Has anyone gotten their server rack to run off solar power.

I got the idea after seeing the Anker solix systems on sale at costco and thought what if I could get one of those to power my server rack and have a few rigid solar panels on the roof to charge the battery up during the day and run the server partially during the night off the battery, but switch over to grid power when it runs dry?

Curious if anyone has any experience with that, I'm not looking to do my whole house just my server rack for now, from my limited tracking of my rack it looks like it uses 8kwh a day so it seems possible. Searching online it looks like there are much cheaper battery options than anker

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[–] BearOfaTime@lemm.ee 4 points 1 year ago

I believe mailbox.org is all renewable, and I'm pretty sure it's solar.

But you need a massive battery bank to run stuff, batteries have a limited lifespan (especially the crap used in a UPS).

It's not cheap, you generally want to overbuild everything, and there are ongoing costs (hardware failures, batteries, etc).

But it can be done. Just have to do the math for your max power draw, then how much uptime you need determines the size of your battery bank and number of panels (which is influenced by how much sun you get/how consistent it is). You need enough panels to run your system and charge batteries, given the limitations of sun availability.