Solar panel angles in Ireland
Optimal fixed-panel tilt and orientation for 15 cities in Ireland, computed from solar geometry.
| City | Latitude | Optimal tilt | Facing | Flat roof keeps |
|---|---|---|---|---|
| Dublin | 53.33°N | 43° | south | 78% |
| Cork | 51.90°N | 42° | south | 79% |
| Limerick | 52.66°N | 42° | south | 79% |
| Galway | 53.27°N | 43° | south | 79% |
| Tallaght | 53.29°N | 43° | south | 78% |
| Waterford | 52.26°N | 42° | south | 79% |
| Drogheda | 53.72°N | 43° | south | 78% |
| Dundalk | 54.00°N | 43° | south | 78% |
| Swords | 53.46°N | 43° | south | 78% |
| Navan | 53.65°N | 43° | south | 78% |
| Bray | 53.20°N | 43° | south | 79% |
| Dún Laoghaire | 53.29°N | 43° | south | 79% |
| Ennis | 52.84°N | 42° | south | 79% |
| Carlow | 52.84°N | 43° | south | 79% |
| Douglas | 51.87°N | 42° | south | 79% |
The same sunlight, a different question. Vitamin D winters in Ireland →