Research Article

Solar Spectral and Module Temperature Influence on the Outdoor Performance of Thin Film PV Modules Deployed on a Sunny Inland Site

Table 2

Values of the incident angle modifier for solstices and equinoxes at 10:00, 12:00, and 14:00 ( = −30°, 0°, and 30°, resp.).

[°] [°]IAM

Summer and winter solstices−3037.40.98
023.50.99
3037.40.98

Autumn and spring equinoxes−30300.99
01
30300.99