Sure, but you don't need to go fully off-grid to have an off-grid balcony solar panel. You can connect it to just your freezer, or just a storage heater, or to

Sure, but you don't need to go fully off-grid to have an off-grid balcony solar panel. You can connect it to just your freezer, or just a storage heater, or to the batteries you run your homelab off of.