Solar panel angles in Bulgaria
Optimal fixed-panel tilt and orientation for 3 cities in Bulgaria, computed from solar geometry.
| City | Latitude | Optimal tilt | Facing | Flat roof keeps |
|---|---|---|---|---|
| Sofia | 42.70°N | 37° | south | 83% |
| Plovdiv | 42.15°N | 36° | south | 84% |
| Varna | 43.22°N | 36° | south | 84% |
The same sunlight, a different question. Vitamin D winters in Bulgaria →