The subsidies still exist. And while in absolute numbers they seem low, the reduced costs for solar modules still make them worthwhile. If you don't feed into

The subsidies still exist. And while in absolute numbers they seem low, the reduced costs for solar modules still make them worthwhile. If you don't feed into the grid as a normal person you're right (that's either "Kleinunternehmerregelung" or, if it's obviously not producing any profit, "Liebhaberei"). But if I built a fictive 500kWp solar plant to power my fictive compute center I would have to pay taxes on the self consumed power. Mind I'm a layman, so I might have gotten that wrong, but I'm 80% sure I got it right.