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Table 5 Radiation and meteorological parameters

From: Assessment and performance analysis of roof-mounted crystalline stand-alone photovoltaic (SAPV) system at selected sites in South Africa

Site locations Solar radiation and meteorological parameters (yearly estimates) PV power output parameters (yearly estimates)
GHI (kWh/m2) DNI (kWh/m2) DIF (kWh/m2) TEMP (°C) PVOUT specific (kWh/kWp) PVOUT total (MWh) GTI (kWh/m2) PR (%)
Mahikeng 2156 2436.5 588.6 19.2 1819.3 18.193 2397.1 75.9
Bloemfontein 2111.5 2559.3 512.5 16.9 1819.4 18.194 2376.1 76.6
Port Nolloth 2082.3 2332.2 569.5 16 1820.5 18.205 2311.5 78.8
Musina 2026.1 2035.1 686 23 1649.8 16.498 2177.6 75.8
Germiston 2006.8 2134.4 640.4 15.9 1730.1 17.301 2233.2 77.5
Worcester 2003.2 2402.2 517.5 17.2 1739.6 17.396 2263.7 76.8
Mbombela 1839.9 1785.3 677.7 18.4 1569.2 15.692 2032.3 77.2
Port Elizabeth 1748 1820.7 623.1 18 1567.3 15.673 1993.6 78.6
Musgrave 1645.1 1590.4 640.4 20.7 1436.6 14.366 1849.2 77.7