Solar panel angles in South Africa
Optimal fixed-panel tilt and orientation for 25 cities in South Africa, computed from solar geometry.
| City | Latitude | Optimal tilt | Facing | Flat roof keeps |
|---|---|---|---|---|
| Johannesburg | 26.20°S | 25° | north | 92% |
| Cape Town | 33.93°S | 29° | north | 89% |
| Durban | 29.86°S | 26° | north | 92% |
| Pretoria | 25.74°S | 24° | north | 93% |
| Soweto | 26.27°S | 25° | north | 92% |
| Gqeberha | 33.96°S | 30° | north | 89% |
| Soshanguve | 25.47°S | 24° | north | 93% |
| Pietermaritzburg | 29.62°S | 27° | north | 91% |
| Evaton | 26.53°S | 25° | north | 92% |
| Benoni | 26.19°S | 25° | north | 92% |
| Bloemfontein | 29.12°S | 27° | north | 91% |
| Thembisa | 26.00°S | 24° | north | 92% |
| East London | 33.02°S | 29° | north | 90% |
| Vereeniging | 26.67°S | 25° | north | 92% |
| Boksburg | 26.21°S | 25° | north | 92% |
| Welkom | 27.98°S | 26° | north | 91% |
| Newcastle | 27.76°S | 26° | north | 92% |
| Krugersdorp | 26.09°S | 25° | north | 92% |
| Rustenburg | 25.67°S | 24° | north | 93% |
| Emalahleni | 25.87°S | 24° | north | 92% |
| Randburg | 26.09°S | 24° | north | 92% |
| Roodepoort | 26.16°S | 25° | north | 92% |
| Botshabelo | 29.27°S | 27° | north | 91% |
| Brakpan | 26.24°S | 25° | north | 92% |
| Kariega | 33.76°S | 29° | north | 89% |
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