So, I've been studying the generation of an installation with different orientations and inclinations.
Installation data:
- 240 modules JA Solar JAM72S20-460/MR - 460 Wp
- Inverter Huawei SUN2000-100KTL-M1
I've made this chart, where we can see different orientations with 10ยบ inclination.
Orientation
Generation (kWh/Any)
Efficiency (kWh/kWp)
PR (%)
-150
119624
1083,33
79,20
-120
123290
1116,53
79,20
-90
128827
1166,69
79,30
-60
134720
1220,06
79,40
-30
139415
1262,59
79,50
0
141660
1282,93
79,50
30
140858
1275,66
79,50
60
137242
1242,91
79,50
90
131756
1193,21
79,50
120
125862
1139,83
79,40
150
121122
1096,89
79,30
180
118827
1076,11
79,20
As you can see, when it's orientated est (negative orientation) it produces more than at west and I can't figure out why.
I don't exactly know how PVSol calculates it generation parameters, but I have a guess that most of this difference is due to the module heat.
I'd like to know if there's another parameter that I'm missing such as the pollution throught out the day or that clouds are denser in the afternooon than in the mornign.
Thank you
