Uncertainty Analysis of Energy Production for a 3 × 50 MW AC Photovoltaic Project Based on Solar Resources

Table 9

The above sources assessed for the project and are presented in the table.

Source of uncertainty in the simulation	Estimated uncertainty standard deviation
Irradiation on the tilted plane	3.0%
Shading/soiling/snow	2.5%
Reflection and spectral losses	1.5%
Deviation from STC	4.0%
Module power tolerance	2.0%
Module mismatch	1.0%
Cabling losses	0.8%
MPPT tracking	0.5%
Inverter losses	1.5%
Total	6.4%