STANDARDS AND LABELLING OF SOLAR PHOTOVOLTAIC (PV) PANELS
PV panels across from thirteen PV panel manufacturers. Currently, 60% of the PV panels are spread across 3-star and 4-star ratings (see Table 5). Table 5Percentage of PV panel models across different efficiency ranges Star rating Effective Efficiency ranges Percentage of PV panel models <11.5 13% 1 star ≥11.5 8% 2 stars ≥13 13%